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
MC74LVX257MG by Onsemi is a 4-function multiplexer with 2 inputs. It operates at a nominal voltage of 2.7V and has a propagation delay of 13.5ns. With a small outline package style, it is ideal for industrial applications requiring high-speed signal switching in compact spaces.
Median Price
$0.386
Lifecycle Status
Suppliers In-Stock
5
In-Stock Inventory
1k+
Rochester
1+ parts
-
100+ parts
$0.343
1k+ parts
$0.285
10k+ parts
$0.254
DigiKey
$0.430
Verical
$0.318
Digiode
$0.268
Vyrian
Corphita
Component Stockers USA
$0.280
$0.270
$0.240
Corohmni
$0.282
AZTECH Wire
$16.690
Continental Prestige Electronics
$0.244
TANS Electronics
Microchip USA
Problanco Electronics
UHIMA Technologies
SupplyDigital Components
Kulean Microsystems
This material provides durability and protection for the internal components of the multiplexer & demultiplexer, ensuring a longer lifespan for the product.
Low propagation delay allows for faster signal processing, making this product suitable for high-speed applications.
Surface mount capability makes installation and integration of the multiplexer & demultiplexer easier and more efficient.
Optimal supply voltage ensures efficient power consumption and performance of the product.
Industrial-grade temperature tolerance allows the multiplexer & demultiplexer to operate reliably in harsh environmental conditions.
Multiplexer & Demultiplexer MC74LVX257MG attributes and parameters. Explore more Multiplexer & Demultiplexer devices from Onsemi
Family:
JESD-30 Code:
JESD-609 Code:
Length:
Load Capacitance (CL):
Logic IC Type:
Maximum I (ol):
Moisture Sensitivity Level (MSL):
No. of Functions:
No. of Inputs:
No. of Outputs:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Output Characteristics:
Output Polarity:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Packing Method:
Peak Reflow Temperature (C):
Power Supplies (V):
Propagation Delay At Nominal Supply:
Propagation Delay (tpd):
Qualification:
Maximum Seated Height:
Sub-Category:
Maximum Supply Voltage (Vsup):
Minimum Supply Voltage (Vsup):
Nominal Supply Voltage / Vsup (V):
Surface Mount:
Technology:
Temperature Grade:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Width:
MC74LVX257MG Logic ICs trade compliance attributes, and parameters.
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Obsolescence/ EOL - Multiple Devices 30/Sept/2011
Established in 1999, Onsemi is a leading global provider of power and image-sensing technologies. They are dedicated to building a better future for the automotive, industrial, cloud, medical, and IoT markets. Onsemi's core technologies include analog, digital, and mixed-signal products that offer innovative solutions for advanced automotive systems; highly reliable power management products for industrial applications; low-cost imaging solutions for medical equipment and consumer electronics; and robust communication architectures for the Internet of Things (IoT).
President, CEO
Hassane El-Khoury
Executive VP, CFO, Treasurer
Thad Trent
Senior VP
Ross F. Jatou
Aizu Fab
Fabrication
Fab Initiation
1995
Japan
Aizu Wakamatsu
Wafer Capacity
52,000
Si/EPI Fab
2018
Czech Republic
Rožnov pod Radhoštěm
10,000
Expansion Phase 1 for SiC / EPI
2019
14,500
Expansion Phase 2 for SiC / EPI
2024
SiC Fab
2022
USA
Hudson
Bucheon
2013
South Korea
61,000
ISMF - Malaysia
1990
Malaysia
Seremban
95,000
Roznov Device Fab
1987
80,000
Fab 10
2002
East Fishkill
15,000
Burlington
1986
Canada
Gresham
1998
45,000
Bucheon 150mm
2000
50,000
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
LM78L05ACMX/NOPB
National Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 8; Package Code: SOP; Terminal Form: GULL WING; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
BSS138LT1G
Onsemi
BSS138LT1G by Onsemi is a N-CHANNEL FET with 50V DS Breakdown Voltage, 0.2A Drain Current, and 3.5 ohm On Resistance. Ideal for SWITCHING applications due to its ENHANCEMENT MODE operation and built-in DIODE. Operates b/w -55 to 150 °C with small outline package style for surface mount assembly.
1N4148
Dc Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SDR0604-101KL
Bourns
SDR0604-101KL by Bourns is a surface mount fixed inductor with a nominal inductance of 100 uH. It is a general purpose inductor suitable for power applications, with a max rated current of 0.52 A and a self-resonance frequency of 9 MHz.
LM317T
Samsung
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Maximum Load Regulation (%): 1.5 %; Operating Temperature (TJ-Min): 0 Cel; Maximum Line Regulation (%/V): .07;
ERJ6ENF10R0V
Panasonic
Panasonic ERJ6ENF10R0V is a 10 ohm fixed resistor with 1% tolerance, suitable for surface mount applications. With a rated power dissipation of 0.125W and operating voltage of 150V, it operates b/w -55°C to 155°C. Its metal glaze/thick film technology ensures stable performance in various electronic circuits.
M85049/85-08W02
TE Connectivity
CONNECTOR ACCESSORY; Minimum Operating Temperature: -65 Cel; Wire Gauge (AWG): 0; Maximum Wire Size: 0 AWG; Maximum Operating Temperature: 175 Cel; Material: ALUMINUM ALLOY;
BSS138
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Feedback Capacitance (Crss): 10 pF; JEDEC-95 Code: TO-236AB;
Yangzhou Yangjie Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JESD-30 Code: R-PDSO-G3; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Operating Mode: ENHANCEMENT MODE;
SS14
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LAN8720AI-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
1N4148WT
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SN65HVD234DR
Texas Instruments
SN65HVD234DR by Texas Instruments is an 8-terminal interface circuit with a data rate of 1 Mbps. Operating temperature ranges from -40 to 125 °C, making it ideal for automotive applications. With a supply voltage of 3.3 V and low current draw of 6 mA, it's suitable for network interfaces in compact designs.
4554
Jw Miller Magnetics
Other Semiconductors;
Bay Linear
Other Regulators; No. of Terminals: 3; No. of Outputs: 1; Surface Mount: NO; Maximum Load Regulation (%): 1.5 %; Operating Temperature (TJ-Min): 0 Cel;
LM358M
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
BAV99WT1G
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CMX
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
CRG0805F10K
TE Connectivity's CRG0805F10K 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 various electronic circuits due to its compact size and high temperature rating.
1554216004
Molex
WIRE AND CABLE;
CD40257BMT
CD40257BMT by Texas Instruments is a 4-function multiplexer with 2 inputs, operating at 5V. It has a propagation delay of 300ns and supports a load capacitance of 50pF. Ideal for military-grade applications requiring true output polarity in compact designs.
SNJ54F153FKR
SNJ54F153FKR by Texas Instruments is a 20-terminal chip carrier multiplexer/demultiplexer with 4 inputs, 2 functions, and a propagation delay of 11 ns. Operating in temperatures from -55 to 125 °C, it has a supply voltage range of 4.5V to 5.5V and load capacitance of 50 pF. Ideal for military-grade applications requiring high-speed signal switching in compact spaces.
74LVC257ADB
NXP Semiconductors
NXP Semiconductors' 74LVC257ADB is a CMOS multiplexer with 4 functions, 2 inputs, and 3.3V power supply. It features a propagation delay of 5.1ns at nominal voltage, operates in the temperature range of -40 to 125°C, and has a small outline package suitable for automotive applications.
CD74AC151M96
Intersil
MULTIPLEXER; Temperature Grade: MILITARY; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR;
PCA9547PW,112
NXP Semiconductors' PCA9547PW,112 is an 8-input multiplexer with a propagation delay of 0.3 ns. Operating b/w -40 to 85°C, it has a supply voltage range of 2.3V to 3.6V and is ideal for industrial applications requiring precise signal routing in compact spaces.
SN74298J4
SN74298J4 by Texas Instruments is a TTL multiplexer with 4 functions and 2 inputs. Operating at 5V, it has 16 terminals in an in-line package style. Ideal for commercial applications, it has a temperature range of 0-70°C and ceramic package body material.
SNJ54298W
SNJ54298W by Texas Instruments is a MILITARY-grade Multiplexer & Demultiplexer with 16 terminals. It operates b/w -55 to 125 °C, with Vsup ranging from 4.5V to 5.5V and ICC of 65mA. Suitable for applications requiring TTL technology and load capacitance of 15pF.
74HC251PW,118
Nexperia
MULTIPLEXER; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: TSSOP; Package Shape: RECTANGULAR;
SN74F157AD
Rochester Electronics
MULTIPLEXER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR;
SNJ54LS251W-00
SNJ54LS251W-00 by Texas Instruments is an 8-input multiplexer with a propagation delay of 45 ns, operating b/w -55 to 125 °C. It features a 3-STATE output and operates on a supply voltage range of 4.5V to 5.5V, making it ideal for military-grade applications requiring fast switching capabilities in compact spaces.
JM38510/07903BFA
JM38510/07903BFA by Texas Instruments is a 4-function multiplexer with 7.5ns propagation delay at 5V. It features MIL-M-38510 Class B screening level, operates in military temperature grade range (-55 to 125 °C), and has a max power supply current of 78mA. Ideal for applications requiring fast signal switching in harsh environments.
NC7SZ157P6X
MULTIPLEXER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: TSSOP; Package Shape: RECTANGULAR;
SN74F157ADG4
SN74F157ADG4 by Texas Instruments is a TTL multiplexer with 4 functions and 2 inputs. It has a propagation delay of 8 ns at 5V, making it ideal for high-speed applications. With a small outline package style and surface mount capability, it is suitable for commercial temperature grade environments.
PI2PCIE2412ZHE
Diodes Incorporated
PI2PCIE2412ZHE by Diodes Inc. is a 4-input, 8-output multiplexer with a supply voltage range of 1.5V to 2V. It features a compact chip carrier package style and operates in industrial temperature grades (-40°C to 85°C). Ideal for applications requiring high-density signal routing in space-constrained environments.
74AUP1G157GW,125
NXP Semiconductors' 74AUP1G157GW,125 is a CMOS multiplexer with 2 inputs and propagation delay of 21.9 ns at Vsup of 1.2V. It operates in automotive grade applications, has a max operating temp of 125°C, and is suitable for surface mount packaging with small outline and thin profile.
SN74CB3Q3253PWRE4
SN74CB3Q3253PWRE4 by Texas Instruments is a multiplexer and demultiplexer IC with 2 functions, 1 input, and 4 outputs. It operates at a nominal voltage of 2.5V and has a propagation delay of 0.12 ns. This IC is commonly used in industrial applications due to its small size and high temperature tolerance.
M38510/33902BEX
M38510/33902BEX by Texas Instruments is a MILITARY-grade Multiplexer & Demultiplexer with 4 inputs, 2 functions, and 9 ns propagation delay. Operating b/w -55 to 125 °C, it has TRUE output polarity and supports TTL technology. Ideal for applications requiring high reliability in harsh environments.
74LVC1G157GV,125
MULTIPLEXER; Temperature Grade: AUTOMOTIVE; Terminal Form: GULL WING; No. of Terminals: 6; Package Code: TSSOP; Package Shape: RECTANGULAR;
SN74HC354JP4
SN74HC354JP4 by Texas Instruments is an 8-input multiplexer with a package style of IN-LINE and ceramic body material. It operates b/w -40°C to 85°C, has 3-STATE output characteristics, and uses CMOS technology. Ideal for industrial applications requiring high temperature tolerance and versatile signal routing capabilities.
SN74LS356FN3
SN74LS356FN3 by Texas Instruments is an 8-input TTL multiplexer with 3-STATE output. Operating temperature range of 0°C to 70°C, it comes in a square chip carrier package with J bend terminals. Ideal for commercial applications requiring high-speed data switching in electronic circuits.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
MC74AC257DR2G
MC74AC257DR2G by Onsemi is a 4-function multiplexer with 2 inputs, 9ns propagation delay at 5V. It operates in industrial temperature range (-40 to 85 °C) and supports power supplies of 3.3/5V. Ideal for applications requiring fast switching b/w multiple input signals in compact designs.
MULTIPLEXER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR;
MC74HC157ADG
MC74HC157ADG by Onsemi is a 4-function multiplexer with 2 inputs and a propagation delay of 32 ns. It operates at a nominal voltage of 5V and has a max operating temperature of 125°C. This device is commonly used in military-grade applications due to its CMOS technology and MILITARY temperature grade.
MC74HC151ADG
MC74HC251ADG
MC74VHC157DR2G
MC74LVX157DR2G
MC74LVX157DR2G by Onsemi is a 4-function, 2-input multiplexer with a propagation delay of 13ns at 3.3V supply voltage. It operates in industrial temperature range (-40 to 85°C) and has a small outline package style for surface mount applications. Ideal for high-speed signal switching in various electronic circuits.
MC74VHC257DTG
MC74VHC257DTG by Onsemi is a 4-function multiplexer with 2 inputs and 1 output. It operates at a nominal voltage of 3.3V and has a propagation delay of 14.5ns. This CMOS technology-based IC is commonly used in military-grade applications due to its temperature range of -55°C to 125°C.
MC74ACT157DG
MC74ACT157DG by Onsemi is a 4-function multiplexer with 2 inputs, operating at 5V. It has a propagation delay of 8.5ns and can handle a load capacitance of 50pF. Ideal for industrial applications requiring fast switching capabilities in compact designs.
MC74AC151DR2
MULTIPLEXER AND DEMUX/DECODER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR;
MC74AC153D
MC74AC153DG
MC74AC153DR2
MC741VHC157DTR2
MULTIPLEXER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: TSSOP; Package Shape: RECTANGULAR;
MC74AC151DT
MULTIPLEXER AND DEMUX/DECODER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: TSSOP; Package Shape: RECTANGULAR;
MC74AC153DR2G
MC74AC153DT
MC741VHC157DR2
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