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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
ST2149QTR by STMicroelectronics is a quad-interface IC with 4 functions, operating at -40 to 85°C. It has a supply voltage range of 1.65-5.5V and terminal pitch of 0.4mm. Ideal for industrial applications requiring compact surface-mount solutions with nickel/palladium/gold finish.
Median Price
-
Lifecycle Status
Suppliers In-Stock
6
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
ComSIT Distribution GmbH
Netsource Technology, Inc.
Anansix
Digiode
Nova Conductors
Microchip USA
$1.578
Benley Electronics
$1.750
IDEA Electronic Components Group
$10.607
$9.546
AZTECH Wire
$17.525
MKK Technologies
$19.945
DigiPath Technology Company
Ampacity Inc.
$27.500
Speed Components Ltd (Excess)
Perfect Parts
QUARKTWIN TECHNOLOGY LTD
Corphita
Parana Technologies
$12.682
GreenTree Electronics
Aranea Global
Allows for easy and efficient installation on circuit boards, saving time and space.
Provides a wide range of compatible voltage inputs for flexibility in different applications.
Offers multiple functions in a single IC, making it a versatile and cost-effective solution.
Facilitates easy handling and installation in modern electronics designs.
Offers an extended voltage threshold for compatibility with various power sources.
Supports multiple power supply configurations, enhancing the product's flexibility.
Provides multiple connection points for interfacing with other components, increasing versatility.
Offers a compact and durable packaging solution for space-constrained applications.
Ensures proper functionality even with low supply voltages, improving reliability.
Maintains operational stability at low voltage levels, ensuring consistent performance.
Suitable for industrial environments with higher temperature ranges, improving product durability.
Capable of functioning in extreme cold conditions, enhancing operational flexibility.
Provides corrosion resistance and reliable electrical connections for long-term use.
Arrangement supports efficient heat dissipation and signal integrity in complex circuits.
Low profile design for space-saving installation in compact electronic devices.
Compact size for easy integration into various electronic assemblies.
Designed for quick and reliable reflow soldering processes, saving time during manufacturing.
Supports high-temperature soldering techniques for secure and durable connections.
Compact dimensions for space-efficient circuit board layouts.
Suitable for demanding industrial environments, ensuring product reliability under harsh conditions.
Lead-free terminals comply with environmental standards and reduce potential health risks.
Stable voltage input for consistent performance in various applications.
Close terminal spacing for compact circuit designs and efficient signal routing.
Standard voltage level for common power supply configurations, enhancing compatibility.
Specifically designed to facilitate communication between different components in a system, ensuring seamless operation.
Other Function Interface ICs ST2149QTR attributes and parameters. Explore more Other Function Interface ICs devices from STMicroelectronics
Interface IC Type:
JESD-30 Code:
JESD-609 Code:
Length:
Moisture Sensitivity Level (MSL):
No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Power Supplies (V):
Qualification:
Maximum Seated Height:
Sub-Category:
Maximum Supply Voltage:
Minimum Supply Voltage:
Nominal Supply Voltage:
Maximum Supply Voltage-1:
Minimum Supply Voltage-1:
Nominal Supply Voltage-1:
Surface Mount:
Temperature Grade:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Width:
ST2149QTR Interface ICs trade compliance attributes, and parameters.
HTS
8542.39.00.01
SB
8542.39.00.00
STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.
President, CEO
Jean-Marc Chery
President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience
Lorenzo Grandi
President, Sales & Marketing
Jerome Roux
Castelletto
Fabrication
Fab Initiation
1968
Italy
Wafer Capacity
SGFAB AMK 6
2000
Singapore
29,000
AG200
Agrate Brianza
14,000
RST 8
France
Rousset
35,000
Crolles 1
1993
Crolles
30,000
Crolles 2-ext. mod 5
Crolles 2-ext. mod 2
2022
Crolles 2-ext. mod 3
2023
Crolles 2
2004
28,000
1985
SiC Fab
2006
Sweden
Norrköping
10,000
Fab 3
2005
Tours
2,000
Fab 1 & Fab 2
1978
55,000
Fab 2
1997
Catania
SGFAB-AMK 6E
2003
145,000
SGFAB-AMJ 9
1984
152,000
AG300 (R3)
1980
25,000
1987
34,000
AG300
2024
Crolles 2-ext. mod 1
2020
Fab 1 6-inch fab
2013
11,000
SiC 6-inch line
2021
2,500
200mm GaN
2018
SGFAB-AMK 8
2001
Crolles 2- JV Fab
SGFAB-AMK 6
2016
38,125
SGFAB-AMK 2E
2010
20,000
Silicon Carbide A.B.
SiC wafer/EPI Fab
SiC Device Fab
2025
06035C104KAT2A
KYOCERA AVX
06035C104KAT2A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
SS14
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Config: SINGLE; No. of Phases: 1; No. of Elements: 1; Maximum Forward Voltage (VF): .5 V;
LM2675M-ADJ/NOPB
National Semiconductor
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
1N4148WS
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM107H/883C
General Electric Solid State
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Wideband: NO;
LL4148
Good-ark Electronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
0462-201-16141
TE Connectivity
TE Connectivity's 0462-201-16141 is a CRIMP terminal with MACHINED contact design. It operates b/w -55 to 125 °C, suitable for wire gauges from 20 to 16 AWG. With a rated current of 13A, it is ideal for applications requiring FEMALE ROUND PIN-SOCKET contacts.
STM8S003F3P6TR
STMicroelectronics
STM8S003F3P6TR by STMicroelectronics is an 8-bit microcontroller with a max clock frequency of 16 MHz. It features 1024 RAM bytes, 128 data EEPROM size, and 5-ch 10-bit ADC channels. Ideal for industrial applications requiring low power mode and connectivity via I2C, SPI, and UART interfaces.
08055C104KAT2A
08055C104KAT2A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
BSS138
Inter F E T
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Terminal Finish: TIN LEAD; Package Body Material: PLASTIC/EPOXY;
Weitron Technology
ULN-2803A
Vishay Sprague
Vishay Sprague's ULN-2803A is an 8-bit peripheral driver with a max supply voltage of 3V. Featuring open-collector output characteristics, it offers built-in transient protections and operates b/w -20°C to 85°C. Ideal for applications requiring sink current flow direction, this rectangular-shaped driver has a terminal pitch of 2.54mm and turn-on/off time of 1us.
LM358N
NXP Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
261
Mercury Systems
Other Interface ICs; Temperature Grade: MILITARY; Terminal Form: FLAT; No. of Terminals: 14; Package Code: DFP; Package Shape: SQUARE;
1N4148
Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Config: SINGLE; No. of Phases: 1; No. of Elements: 1;
LM317LMX/NOPB
Texas Instruments
LM317LMX/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max input-output voltage differential of 40V. It operates in temperatures ranging from -40°C to 125°C and has a max output current of 0.1A, making it suitable for various applications requiring precise voltage regulation.
SMBJ18CA
Mde Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
C1206C104K5RACTU
KEMET Corporation
KEMET C1206C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications due to its rectangular package shape and wraparound terminals.
2N7002
Nte Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Transistor Application: SWITCHING; Maximum Drain Current (ID): .115 A; No. of Terminals: 3;
BAV99
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
ADUM5403CRWZRL
Analog Devices
ADUM5403CRWZRL by Analog Devices is a 16-terminal IC with supply voltage range of 3-5.5V, operating from -40 to 105°C. It features GULL WING terminals, suitable for industrial applications requiring interface circuitry in compact spaces.
ADUM260N0BRIZ-RL
ADUM260N0BRIZ-RL by Analog Devices is a 16-terminal IC with 6 functions, operating b/w -40 to 125 °C. It has a supply voltage range of 1.7V to 5.5V and is ideal for automotive applications due to its CMOS technology and small outline package style.
ADUM141E0BRWZ-RL
ADUM141E0BRWZ-RL by Analog Devices is a digital isolator with 4 functions, operating voltage range of 1.7V to 5.5V, and temperature grade suitable for automotive applications. It comes in a small outline package with dual terminals and matte tin finish, making it ideal for surface mount designs requiring high reliability in harsh environments.
SI8645BA-B-IUR
Silicon Labs
SI8645BA-B-IUR by Silicon Labs is a digital isolator with 4 functions, operating voltage range of 2.375V to 5.5V, and temperature range from -40°C to 125°C. It comes in a small outline package suitable for various applications requiring signal isolation and noise immunity in electronic circuits.
ADUM1311BRWZ-RL
ADUM1311BRWZ-RL by Analog Devices is a CMOS interface IC with 16 terminals, operating b/w -40 to 105°C. It has a supply voltage range of 2.7V to 5.5V and is suitable for industrial applications requiring small outline surface-mount packages.
SI8600AB-B-ISR
SI8600AB-B-ISR by Silicon Labs is a small outline interface IC with 8 terminals. It operates b/w -40 to 125°C, suitable for various applications. With a supply voltage range of 3-5.5V, it is ideal for surface mount designs in electronics.
ADUM1201WSRZ-RL7
ADUM1201WSRZ-RL7 by Analog Devices is a dual-function interface IC with 8 terminals, operating b/w -40 to 125 °C. It has a supply voltage range of 3-5.5 V and is AEC-Q100 compliant for automotive applications. This small outline package IC features CMOS technology and matte tin terminal finish, suitable for various interface circuit requirements in automotive electronics.
TXB0104PWR
TXB0104PWR by Texas Instruments is a 14-terminal IC with 4 bits, operating at -40 to 85°C. It has a max supply voltage of 5.5V and output polarity is TRUE. Ideal for industrial applications requiring a small outline package with surface mount capabilities and low power consumption of 0.01mA.
ADUM2402ARWZ-RL
ADUM2402ARWZ-RL by Analog Devices is a CMOS interface IC with 16 terminals. It operates b/w -40 to 105°C, with supply voltage range of 2.7V to 5.5V. This small outline package is ideal for industrial applications requiring reliable surface mount technology.
Skyworks Solutions
DIGITAL ISOLATOR; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SSOP; Package Shape: RECTANGULAR; Terminal Position: DUAL;
CY8CMBR3116-LQXI
Cypress Semiconductor
INTERFACE CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
ADUM3401BRWZ
ADUM3401BRWZ by Analog Devices is a digital isolator with 16 terminals, operating b/w -40 to 105°C. It has a supply voltage range of 3-5.5V and uses CMOS technology. Ideal for applications requiring electrical isolation in compact spaces due to its small outline package style.
ISO1640BQDRQ1
ISO1640BQDRQ1 by Texas Instruments is an automotive interface IC with 2 channels. It operates at a supply voltage range of 2.25V to 5.5V and has a temperature range of -40°C to 125°C. It is suitable for various automotive applications requiring small outline packaging and high reliability (AEC-Q100 screening level).
XISO6741FQDWRQ1
INTERFACE CIRCUIT; Minimum Supply Voltage: 1.71 V; Maximum Supply Voltage: 5.5 V;
SI8600AD-B-IS
SI8600AD-B-IS by Silicon Labs is a small outline interface IC with 16 terminals. It operates at a supply voltage range of 3V to 5.5V and has an automotive temperature grade of -40°C to 125°C. This IC is suitable for various applications requiring interface circuitry.
PCA9306DP1,125
PCA9306DP1,125 by NXP Semiconductors is a dual-function interface IC with 8 terminals. It operates b/w 1V to 5.5V supply voltage range and supports industrial temperature grade applications. The small outline package has a thin profile and shrink pitch, making it suitable for various electronic devices requiring voltage level translation.
ADUM5240ARZ
ADUM5240ARZ by Analog Devices is an 8-terminal interface IC with a supply voltage range of 4.5V to 5.5V, operating temperature from -40°C to 105°C. It is used in industrial applications requiring small outline surface-mount packages for signal isolation and data communication.
MAX3378EEUD+T
MAX3378EEUD+T by Analog Devices is a 4-function interface IC with 14 terminals, operating at -40 to 85°C. It has a supply voltage range of 1.2-5.5V and uses BICMOS technology. Ideal for industrial applications requiring small outline, thin profile packages with shrink pitch design.
ADUM7441CRQZ
ADUM7441CRQZ by Analog Devices is a 16-terminal IC with supply voltage range of 3-5.5V, operating from -40 to 105°C. It's a CMOS interface circuit in small outline package for industrial applications requiring dual terminal position and matte tin finish.
TUSB320LAIRWBR
TUSB320LAIRWBR by Texas Instruments is a surface mount interface IC with 1 function. It has a square package and a terminal position of quad. With a max supply voltage of 5V, it is suitable for industrial applications requiring an interface circuit.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
ST2129BQTR
INTERFACE CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 8; Package Code: VQCCN; Package Shape: RECTANGULAR;
ST2129QTR
INTERFACE CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 10; Package Code: VQCCN; Package Shape: RECTANGULAR;
ST21491QTR
INTERFACE CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 16; Package Code: VQCCN; Package Shape: RECTANGULAR;
ST2149BQTR
INTERFACE CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 12; Package Code: VQCCN; Package Shape: RECTANGULAR;
ST2189QTR
INTERFACE CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 20; Package Code: VQCCN; Package Shape: RECTANGULAR;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved