Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
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PCA9557BS,118 by NXP Semiconductors is an 8-bit Parallel I/O Port with a supply voltage range of 2.3V to 5.5V. It comes in a square chip carrier package and operates in industrial temperature grades (-40°C to 85°C). Ideal for general purpose applications requiring parallel I/O functionality.
Median Price
$1.540
Lifecycle Status
Suppliers In-Stock
15
In-Stock Inventory
1k+
Chip1Stop
1+ parts
$0.985
100+ parts
$0.846
1k+ parts
$0.821
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$0.722
Farnell
$1.110
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Mouser Electronics
$1.020
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$0.720
DigiKey
$0.906
$0.792
$0.742
Arrow
$1.587
$0.916
$0.772
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Newark
$1.940
Element14
$1.600
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Verical
$0.878
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Rochester
$0.927
$0.770
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Digiode
$1.282
Flip Electronics
Vyrian
Anansix
Greenchips
Nova Conductors
Ampacity Inc.
$0.750
Corphita
$1.215
Microchip USA
$5.004
Corohmni
$18.792
Aztec Data Supply Inc.
$46.258
Perfect Parts
Lixinc
A-Z Elektronik GmbH
UNI Independent Distributors
Continental Prestige Electronics
$0.753
Argo Parts USA
Authorized Procurement Solutions
Kepictronics
Aranea Global
Provides durability and protection for the internal components, ensuring a long lifespan for the product.
Allows for compatibility with various systems and devices that operate within this voltage range.
Offers a high level of data processing capability for parallel input and output operations.
Suitable for use in extreme temperature conditions, providing reliability and versatility in different environments.
Utilizes CMOS technology which offers low power consumption, high speed performance, and compatibility with a wide range of devices.
Parallel I/O Ports PCA9557BS,118 attributes and parameters. Explore more Parallel I/O Ports devices from NXP Semiconductors
JESD-30 Code:
JESD-609 Code:
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Peak Reflow Temperature (C):
Power Supplies (V):
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Sub-Category:
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PCA9557BS,118 Peripheral ICs trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Packaging - All Dev Label Update 15/Dec/2020
NXP is a leading semiconductor company that creates cutting-edge technology to power secure connections in a smarter world. Founded in 2006, they have grown to become one of the top five global semiconductor companies and serve their customers in over 70 countries around the world.
Executive Director, President, CEO
Kurt Sievers
Executive VP, CFO
Bill Betz
Executive VP, Chief Sales Officer
Ron Martino
ICN8
Fabrication
Fab Initiation
1996
Netherlands
Nijmegen
Wafer Capacity
55,000
ATMC (Austin Tech & Mfg Center)
1995
USA
Austin
30,000
N/A
1989
Germany
Boeblingen
CHD
1993
Chandler
OHTC
1991
24,000
New Expansion Fab
2026
ECHO
2020
10,000
BAV99
National Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Won-top Electronics
LL4148
Bkc Semiconductors
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
SMBJ18CA
Pulse Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
DS18B20Z+
Maxim Integrated
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Body Width: 3.9 inch; Maximum Supply Voltage: 5.5 V;
2N2222A
Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
SS14
Rfe International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
CRGCQ0805F10K
TE Connectivity
TE Connectivity's CRGCQ0805F10K is a 10000 ohm fixed resistor with 1% tolerance. It operates b/w -55 to 155 °C and has a power dissipation of 0.125 W. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance.
ULN-2803A
Sprague Electric
BUFFER OR INVERTER BASED PERIPHERAL DRIVER; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 18; Package Code: DIP; Package Shape: RECTANGULAR;
Onsemi
FDV304P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Moisture Sensitivity Level (MSL): 1; Maximum Drain Current (ID): .46 A;
Philips Semiconductors
Hi-tron Semiconductor
LD1117S33CTR
STMicroelectronics
STMicroelectronics LD1117S33CTR is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It operates within an input voltage range of 4.75V to 15V, making it suitable for various applications requiring stable voltage regulation in compact designs. The device features low dropout voltage of 1.3V, high temperature operation up to 125°C, and small outline package style for space-constrained PCB layouts.
Taitron Components
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; No. of Terminals: 3;
2N7002
Bytesonic Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Terminal Position: DUAL; Minimum Operating Temperature: -55 Cel;
1N4148
Grande Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
CR0805-FX-10R0ELF
Bourns
Bourns CR0805-FX-10R0ELF is a SMT fixed resistor with 10 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for applications requiring a temperature range of -55 to 155 °C, such as automotive electronics and industrial control systems.
LM555CN
Texas Instruments
LM555CN by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V. It operates b/w 0°C to 70°C, making it suitable for commercial applications. This rectangular package IC has dual terminals and uses bipolar technology for pulse generation in various electronic circuits.
LM7805CT
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
TCA6424RGJR
TCA6424RGJR by Texas Instruments is an 8-bit parallel I/O port with a max supply voltage of 5.5V and operating temperature range from -40 to 85°C. It features 24 I/O lines, suitable for industrial applications requiring low power consumption at a clock frequency of up to 0.4MHz.
PCA9534ARGTRG4
PCA9534ARGTRG4 by Texas Instruments is an 8-bit parallel I/O port with a max supply voltage of 5.5V and operating temperature range from -40 to 85°C. It features a package style of CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE and is commonly used in industrial applications for general purpose parallel I/O interfacing tasks.
PCA9555APW,118
NXP Semiconductors
PCA9555APW,118 by NXP Semiconductors is a 16-bit parallel I/O port with supply voltage range of 1.65V to 5.5V. It features small outline package, dual terminals, and industrial temperature grade suitable for general purpose applications requiring CMOS technology and GULL WING terminal form.
IMQ82C55AZ
Integrated Device Technology
PARALLEL IO PORT, GENERAL PURPOSE; Terminal Form: GULL WING; No. of Terminals: 44; Package Code: QFP; Package Shape: SQUARE; Package Equivalence Code: QFP44,.5SQ,32;
NSC810AN-1
NSC810AN-1 by Texas Instruments is a 16-bit Parallel I/O Port with 40 terminals, operating at 5V. It features CMOS technology, suitable for NSC800 CPU family applications. The package style is in-line, with a temperature range of 0-70°C, making it ideal for commercial-grade projects.
PCF8575DWG4
PCF8575DWG4 by Texas Instruments is a 16-bit parallel I/O port with 2 ports, operating at a max clock frequency of 0.4 MHz. It has a supply voltage range of 2.5V to 5.5V and can handle industrial temperatures from -40°C to 85°C. Ideal for general purpose applications requiring CMOS technology and small outline packaging.
NSC810AE/883
NSC810AE/883 by Texas Instruments is a 16-bit Parallel I/O Port with CMOS technology. It operates at -55 to 125°C, suitable for military applications. With 3 ports and 2 timers, it has a supply voltage of 5V and max current of 10mA in a ceramic chip carrier package.
MCP23018T-E/MJ
Microchip Technology
MCP23018T-E/MJ by Microchip offers 16-bit parallel I/O ports with 2/5V power supplies. Ideal for automotive applications, it operates b/w -40 to 125°C and supports a clock frequency of up to 10MHz. With a compact square package style and matte tin terminal finish, this IC is suitable for various general-purpose IO port tasks.
PCA9534ADBG4
PCA9534ADBG4 by Texas Instruments is an 8-bit parallel I/O port with a supply voltage range of 2.3V to 5.5V, suitable for industrial applications. It features a small outline package style, surface mount capability, and operates in temperatures ranging from -40°C to 85°C. Ideal for general purpose peripheral IC applications requiring CMOS technology.
MAX7320AEE+T
PARALLEL IO PORT, GENERAL PURPOSE; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SSOP; Package Shape: RECTANGULAR;
PCA9554APW
Parallel IO Ports; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: TSSOP; Package Shape: RECTANGULAR;
PCA9534PWRG4
PCA9534PWRG4 by Texas Instruments is an 8-bit parallel I/O port with a max supply voltage of 5.5V and operating temperature range from -40 to 85°C. It features a small outline package style, dual terminal position, and Gull Wing form suitable for industrial applications requiring general-purpose peripheral ICs.
PCF8574RGTR
PCF8574RGTR by Texas Instruments is an 8-bit parallel I/O port with a supply voltage range of 2.5V to 6V. It features a max clock frequency of 0.1MHz and operates in industrial temperature grades. This chip carrier package is ideal for general-purpose applications requiring low power consumption and multiple I/O lines.
MAX7311AUG+
Freescale Semiconductor
Parallel IO Ports; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 24; Package Code: TSSOP; Package Shape: RECTANGULAR;
PCA9539APW,118
NXP Semiconductors' PCA9539APW,118 is a 16-bit parallel I/O port with max supply voltage of 5.5V and min of 1.65V. Ideal for industrial applications, it features a small outline package with dual terminals and operates in temperatures ranging from -40 to 85°C.
PCA9535PW,112
NXP Semiconductors' PCA9535PW,112 is a 16-bit parallel I/O port with supply voltage ranging from 2.3V to 5.5V. It features a small outline package with dual terminals and operates in industrial temperature range (-40°C to 85°C). Ideal for general purpose applications requiring precise control of multiple I/O lines.
DS4520E+
PARALLEL IO PORT, GENERAL PURPOSE; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: TSSOP; Package Shape: RECTANGULAR;
PCA9554APW,118
PCA9554APW,118 by NXP Semiconductors is an 8-bit parallel I/O port with a supply voltage range of 2.3V to 5.5V. It features a small outline package and operates in industrial temperature range (-40°C to 85°C). Ideal for general purpose applications requiring parallel I/O control in compact designs.
PCA9535PWG4
PCA9535PWG4 by Texas Instruments is a parallel I/O port with 16 bits, operating at a max supply voltage of 5.5V. It is commonly used in industrial applications for general-purpose parallel I/O control.
SN74LS613JD
SN74LS613JD by Texas Instruments is a CMOS technology Parallel I/O Port IC with 12 I/O lines. It operates b/w 0-70°C, with supply voltage range of 4.75-5.25V. This IC is commonly used in commercial applications requiring general purpose parallel I/O functionality.
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PCA9500PW
PCA9500PW by NXP Semiconductors is an 8-bit parallel I/O port with a supply voltage range of 2.5V to 3.6V, ideal for industrial applications. This CMOS technology-based IC has a small outline package style and operates b/w -40°C to 85°C temperature range. With surface mount capability and dual terminal position, it offers versatile connectivity options in compact dimensions.
PCA9500PW,118
PCA9500PW,118 by NXP Semiconductors is an 8-bit parallel I/O port with a supply voltage range of 2.5V to 3.6V. It features a small outline package and is suitable for industrial applications requiring general-purpose parallel I/O functionality at temperatures ranging from -40°C to 85°C.
PCA9500PW,112
NXP Semiconductors' PCA9500PW,112 is an 8-bit parallel I/O port with a supply voltage range of 2.5V to 3.6V. It features a small outline package style and operates in industrial temperature grades from -40°C to 85°C. Ideal for general-purpose applications requiring precise control over multiple I/O lines in compact designs.
PCA9555PW,118
PCA9555PW,118 by NXP Semiconductors is a 16-bit parallel I/O port with 2.3V to 5.5V supply voltage range and -40°C to 85°C operating temperature. It features small outline package, dual terminal position, and CMOS technology suitable for industrial applications requiring general purpose parallel I/O control.
PCA9555PW
Parallel IO Ports; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 24; Package Code: TSSOP; Package Shape: RECTANGULAR;
PARALLEL IO PORT, GENERAL PURPOSE; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 24; Package Code: TSSOP; Package Shape: RECTANGULAR;
Nexperia
PCA9555PW by Texas Instruments is a Parallel I/O Port with 16 bits, 2.5/5V power supplies, and 8-bit address bus width. It is used in industrial applications for general-purpose parallel I/O interfacing due to its CMOS technology, dual terminal position, and small outline package style.
PCA9555PW,112
NXP Semiconductors' PCA9555PW,112 is a 16-bit parallel I/O port with 2.3-5.5V supply range and -40 to 85°C operating temperature. It features small outline package, dual terminals, and CMOS technology suitable for industrial applications requiring general-purpose I/O control in compact designs.
PCA9536DP,118
NXP Semiconductors' PCA9536DP,118 is a 4-bit parallel I/O port with supply voltage range of 2.3V to 5.5V. It features small outline package, industrial temperature grade, and nickel palladium gold terminal finish. Ideal for general purpose applications requiring compact design and reliable performance in various industrial settings.
PCA9698DGG,512
PCA9698DGG,512 by NXP Semiconductors is a 40-bit Parallel I/O Port with 2.5/5V power supplies, operating from -40 to 85°C. It features a small outline package with dual terminals and Gull Wing form factor. Ideal for industrial applications requiring general-purpose parallel I/O functionality in compact designs.
PCA9535RGER
PCA9535RGER by Texas Instruments is a Parallel I/O Port with 16 bits, operating at 2.3-5.5V, and clock frequency of 0.4MHz. Ideal for industrial applications requiring 8-bit address bus width, 2 ports, and CMOS technology in a compact chip carrier package.
PCA9555BS,118
NXP Semiconductors' PCA9555BS,118 is a 16-bit parallel I/O port with 2.3-5.5V supply range and -40 to 85°C operating temperature. This CMOS technology chip carrier has 24 terminals in a square package for industrial applications requiring general-purpose I/O control in compact spaces.
PCA9555PW/DG,118
NXP Semiconductors' PCA9555PW/DG,118 is a 16-bit parallel I/O port with 2.3V to 5.5V supply voltage range and -40°C to 85°C operating temperature. It features small outline package style for industrial applications requiring general purpose CMOS technology in a compact form factor.
PCA9555PWR
PCA9555PWR by Texas Instruments is a Parallel I/O Port IC with 16 bits, 2.3-5.5V supply voltage range, and 0.4MHz clock frequency. It's used in industrial applications for general-purpose parallel I/O interfacing due to its small form factor and dual-port configuration.
PCA9555DB,118
PCA9555DB,118 by NXP Semiconductors is a 16-bit parallel I/O port with 2 ports and 24 terminals. It operates b/w -40 to 85°C, supporting supply voltages of 2.3-5.5V. Widely used in industrial applications for general-purpose input/output tasks due to its CMOS technology and compact design.
PCA9535PW,118
NXP Semiconductors' PCA9535PW,118 is a 16-bit parallel I/O port with a supply voltage range of 2.3V to 5.5V. It features dual ports, CMOS technology, and operates in industrial temperature grades (-40°C to 85°C). Ideal for applications requiring general-purpose parallel I/O control in compact designs.
PCA9555PWRG4
PCA9555PWRG4 by Texas Instruments is a Parallel I/O Port with 16 bits, 2.3-5.5V supply voltage, and 0.4MHz clock frequency. It is used in industrial applications for general-purpose parallel I/O interfacing due to its small size, dual terminal position, and CMOS technology.
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