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
TS393ID by STMicroelectronics is a dual comparator with a max input offset voltage of 6.5 mV and operates within -40 °C to 125°C. It features an open-drain output and supports supply voltages up to 18 V, making it ideal for automotive applications. Its compact SO8 package ensures efficient space utilization in designs.
Median Price
-
Lifecycle Status
Suppliers In-Stock
3
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Digiode
Anansix
IDEA Electronic Components Group
$1.639
$1.475
MKK Technologies
$3.083
DigiPath Technology Company
AZTECH Wire
$20.840
Component Stockers USA
$99.990
QUARKTWIN TECHNOLOGY LTD
Microchip USA
Vigor
Parana Technologies
$1.960
Authorized Procurement Solutions
Corphita
Perfect Parts
The use of plastic/epoxy ensures durability and resistance to environmental factors, making it suitable for varied applications.
A low input offset voltage contributes to high accuracy in applications, making this comparator ideal for precise signal processing.
The exceptionally low bias current minimizes power consumption, enhancing efficiency for battery-operated devices.
Surface mount technology allows for compact designs and automated assembly, increasing production efficiency.
Having multiple functions allows for versatility, making the product suitable for a range of applications without needing multiple components.
The rectangular shape facilitates easy integration into circuit boards, optimizing space utilization.
A low nominal supply voltage input is suitable for modern low-power applications, accommodating a wide range of portable devices.
The ability to operate with standard 5V power supplies increases compatibility with many existing systems.
Eight terminals provide multiple connection points for flexibility in circuit design and enhanced functionality.
A small outline design allows for compact layouts in electronic circuits, essential for space-constrained applications.
This high voltage capability allows the comparator to be used in a variety of applications without fear of damaging the device.
A high operating temperature rating ensures reliability in harsh environments, ideal for automotive applications.
Consistent low bias current across temperatures is beneficial for maintaining performance and energy efficiency.
An open-drain output configuration offers flexibility in interfacing and allows for wired-AND operations with other devices.
A fast response time enhances the comparator's performance in high-speed applications, providing timely signal comparisons.
A low operating temperature rating ensures reliable performance in extreme cold conditions, suitable for automotive and industrial applications.
The premium terminal finish ensures excellent conductivity and reliability, which improves overall product performance.
Dual terminal positioning allows for greater design flexibility in circuit layouts, enhancing usability.
A low seated height is beneficial for low-profile designs, making the product ideal for space-sensitive applications.
A compact width helps in saving board space while allowing high integration density.
This specification allows the part to withstand standard reflow soldering processes without sustaining damage.
The ability to withstand high reflow temperatures makes the component suitable for modern manufacturing processes.
Short dimensions aid in compact designs, essential in modern electronics where space is at a premium.
An automotive grade rating ensures the product is capable of withstanding the rigorous conditions of automotive applications.
This feature enables operation in dual supply systems, increasing versatility for a variety of applications.
CMOS technology provides high efficiency and low power consumption, key for modern electronic designs.
Gull wing terminals enhance soldering reliability and ease of handling during assembly processes.
As a comparator, this device excels in signal comparison tasks, making it ideal for diverse applications in electronics.
The low supply current ensures minimal power consumption, enhancing the sustainability and longevity of battery-powered devices.
The nominal negative supply voltage makes integration into single-supply designs easier, simplifying circuit complexity.
The terminal pitch is standard, ensuring compatibility with common PCB layouts and ease of assembly.
Comparators TS393ID attributes and parameters. Explore more Comparators devices from STMicroelectronics
Amplifier Type:
Technology:
Power Supply:
Total Functions:
Sub-Category:
Output Type:
Maximum Input Offset Voltage:
Peak Bias Current:
Maximum Bias Current (IIB) @25 °C:
Maximum Supply Current:
Nominal Supply Voltage:
Maximum Supply Voltage:
Nominal Negative Supply Voltage (Vsup):
Maximum Negative Supply Voltage:
Lowest Operating Temperature:
Maximum Operating Temperature:
Reflow Peak Time Limit:
Peak Reflow Temperature:
Nominal Response Time:
Length:
Width:
Maximum Seated Height:
Total Terminals:
Terminal Pitch:
Terminal Position:
Terminal Form:
Terminal Finish:
Package Body Material:
Surface Mount:
Moisture Sensitivity Level (MSL):
Temperature Grade:
Qualified:
JESD-30 Code:
JESD-609 Code:
Package Code:
Package Shape:
Package Type:
Package Equivalence Code:
TS393ID Amplifiers trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
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
BAV99
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Itt Components
RECTIFIER DIODE; Surface Mount: NO; Config: SINGLE; Maximum Operating Temperature: 200 Cel; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Output Current: .15 A;
BSS138
General Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Minimum DS Breakdown Voltage: 50 V; Qualification: Not Qualified;
E8WSDC12-32.768KTR
Abracon
Abracon's E8WSDC12-32.768KTR crystal oscillator offers 20 ppm frequency tolerance, 144% stability, and 70000 ohm series resistance. Ideal for applications requiring precise timing at 0.032768 MHz, such as IoT devices and communication systems.
SMBJ18CA
Lite-on Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WT
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2902037
Phoenix Contact
MODULAR TERMINAL BLOCK;
EU2B-YS303C
Idec
ROTARY SWITCH;
LM358N
STMicroelectronics
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
1N4148WS
Rugao Dachang Electronic
Kingwell Technonlogy
SPC TECHNOLOGY/ MULTICOMP
M39029/58360
Souriau
CONNECTOR ACCESSORY; Associated Military - Specifications: MIL-DTL-38999; Tool Settings: M22520/2-09; Terminal Type: CRIMP; MIL Conformity: YES; Mating Contacts: M39029/56348;
FDC5614P
MSKSEMI SEMICONDUCTOR
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 2 W; Transistor Element Material: SILICON; Minimum DS Breakdown Voltage: 60 V;
Shenzhen Yixinsemi Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1554216002
Molex
WIRE AND CABLE;
SS14
Sensitron Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Taitron Components
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM339DG
Onsemi
LM339DG by Onsemi is a comparator with 4 functions, operating at 5V. It features a max input offset voltage of 9000uV and bias current of 0.4uA. Ideal for applications requiring open-collector output type and fast response time within commercial temperature range.
PLM393BIDR
Texas Instruments
PLM393BIDR by Texas Instruments is a comparator with 2 functions, featuring a max input offset voltage of 4000 uV and max average bias current of 0.05 uA. It is ideal for industrial applications requiring fast response times and open-collector output type in a compact small outline package.
LM239D
Motorola
COMPARATOR; Temperature Grade: OTHER; Terminal Form: GULL WING; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR;
LT1720CS8#PBF
Analog Devices
LT1720CS8#PBF by Analog Devices is a comparator with 4500uV max input offset voltage and -6uA max average bias current. It operates at 5V nominal voltage, has push-pull output type, and response time of 7ns. Ideal for applications requiring fast response times in commercial temperature environments.
LM2901DTBR2G
LM2901DTBR2G by Onsemi is a comparator with 4 functions, open-collector output type, and 1300 ns response time. It operates b/w -40 to 105 °C with a supply voltage of 5V. Ideal for industrial applications requiring precise voltage comparison in compact designs.
LM339NE4
LM339NE4 by Texas Instruments is a comparator with 4 functions, operating at 5V. It features a max input offset voltage of 5000uV and a max average bias current of 0.4uA. Ideal for applications requiring precise voltage comparisons in commercial temperature environments.
LM293ADT
STMicroelectronics' LM293ADT is a comparator with 2 functions, featuring a max input offset voltage of 4000uV and a max average bias current of 0.3uA. With a package style of small outline, it is ideal for industrial applications requiring precise voltage comparisons in compact spaces.
LM2903M/NOPB
National Semiconductor
COMPARATOR; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
AD8611ARZ
AD8611ARZ by Analog Devices is a comparator with 7000uV max input offset voltage, -4uA max average bias current, and 3/5V power supplies. Ideal for industrial applications requiring fast response time of 4.5ns in a small outline package style.
LM293D
LM2901DR2G
LM2901DR2G by Texas Instruments is a comparator with 4 functions, open-collector output type, and 15000 uV max input offset voltage. Widely used in automotive applications due to its -40 to 125 °C operating temperature range and small outline package style.
LTC6752IS5#TRMPBF
LTC6752IS5#TRMPBF by Analog Devices is a CMOS COMPARATOR with 8500uV Max Input Offset Voltage, 2.1uA Max Average Bias Current, and 2.9ns Nominal Response Time. It is used in industrial applications for precise voltage comparisons due to its fast response time and low bias current.
LT6700IS6-1#TRPBF
Linear Technology
COMPARATOR; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: VSSOP; Package Shape: RECTANGULAR;
LM393D
ROHM
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LM211DR2G
LM211DR2G by Onsemi is a comparator with a max input offset voltage of 4000 uV and max average bias current of 0.15 uA. It operates at temperatures ranging from -25 to 85 °C and has an open-collector output type. Ideal for applications requiring fast response times in compact designs.
LT1719IS8#PBF
LM239D-T
Philips Semiconductors
LM2901QDRQ1
LM2901QDRQ1 by Texas Instruments is a comparator with 4 functions, operating at -40 to 125 °C. It has a max input offset voltage of 15000 uV and max supply current of 2.5 mA. Ideal for automotive applications due to AEC-Q100 screening level and open-collector output type.
LT1716IS5#TR
COMPARATOR; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 5; Package Code: VSSOP; Package Shape: RECTANGULAR;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
TS391ILT
STMicroelectronics' TS391ILT is a comparator with 9000uV max input offset voltage, 0.4uA max average bias current, and 5V nominal voltage. Ideal for automotive applications due to its bipolar technology, -40 to 125 °C operating temp range, and open-collector output type.
TS391IYLT
STMicroelectronics' TS391IYLT is a comparator with 9000uV max input offset voltage and 0.4uA max average bias current. Ideal for automotive applications, it operates at -40 to 125 °C with a response time of 1300ns. The small outline package has 5 terminals and is surface mountable.
TS391RILT
STMicroelectronics' TS391RILT is a comparator with 9000uV max input offset voltage and 0.4uA max average bias current. It operates at -40 to 125 °C, suitable for automotive applications. The device has open-collector output type, small outline package style, and operates on +-1/+-18/2/36 V supplies.
TS391SN2T1G
TS391SN2T1G by Onsemi is a comparator with a max input offset voltage of 9000uV and a nominal voltage of 5V. It features an open-collector output type, operates in automotive temperature grades, and is ideal for applications requiring fast response times such as automotive electronics.
TS393IDT
STMicroelectronics' TS393IDT is a dual-function comparator with 6500uV max input offset voltage and 0.0006uA max average bias current. Ideal for automotive applications, it operates b/w -40 to 125 °C with a response time of 1500ns. The small outline package has 8 terminals and supports surface mount technology.
TS391AILT
TS391AILT by STMicroelectronics is a comparator with a max input offset voltage of 2000 uV. It operates at a nominal voltage of 5V and has a max operating temperature of 125°C. This small outline, low profile device is suitable for automotive applications.
TS391IQ2T
TS391IQ2T by STMicroelectronics is a comparator with a max input offset voltage of 9000 uV and a max average bias current of 0.4 uA. It is used in automotive applications and has a small outline, heat sink/slug package style.
TS393DR2G
TS393DR2G by Onsemi is a CMOS comparator with 2 functions, operating at -40 to 125 °C. It has a response time of 2100 ns and bias current of 0.0006 uA. Ideal for automotive applications due to AEC-Q100 screening level and open-drain output type.
TS393IN
COMPARATOR; Temperature Grade: AUTOMOTIVE; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
TS393IP
COMPARATOR; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: TSSOP; Package Shape: RECTANGULAR;
TS391RIYLT
COMPARATOR; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Packing Method: TR; Peak Reflow Temperature (C): NOT SPECIFIED;
TS393CD
TS393IPT
TS393CDT
TS391IL
COMPARATOR; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 5; Package Code: LSSOP; Package Shape: RECTANGULAR;
TS393CN
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
TS393CP
COMPARATOR; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: TSSOP; Package Shape: RECTANGULAR;
TS391ILLT
TS393CPT
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