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
23K640-I/P by Microchip Technology is an 8Kx8 standard SRAM with 65536-bit memory density. It operates at a max clock frequency of 20 MHz and has a supply voltage range of 2.7V to 3.6V. Ideal for industrial applications requiring reliable synchronous operation in a TS16949 screening level environment.
Median Price
$0.683
Lifecycle Status
Suppliers In-Stock
16
In-Stock Inventory
1k+
RS (Exports)
1+ parts
$0.450
100+ parts
-
1k+ parts
10k+ parts
RS Americas
$0.550
Farnell
$0.672
$0.618
$0.581
Element14
$0.805
DigiKey
$0.820
$0.770
Mouser Electronics
$0.880
Master Electronics
$0.658
$0.627
$0.599
Verical
$0.808
Arrow
Nova Conductors
$0.822
Bristol Electronics
$1.574
$0.976
$0.787
Forefront Electronics and Design
$5.640
VNN
IBS Electronics
$1.112
$1.011
$0.918
Vyrian
Dan-Mar Components
Ampacity Inc.
$0.468
Continental Prestige Electronics
$0.506
Argo Parts USA
Allen Electronics Distributors
$1.970
West Coast Incorporated
Netroflash
$0.806
$0.781
$0.764
Perfect Parts
The use of plastic/epoxy material ensures durability and reliability of the product.
Meeting the TS 16949 screening level standards ensures high quality and reliability of the product.
The rectangular package shape allows for easy integration and installation in various systems.
The synchronous operating mode ensures accurate and efficient data communication.
Separate input/output type allows for improved signal integrity and data transmission.
The nominal supply voltage of 3V ensures proper and stable operation of the product.
Having multiple power supply options provides flexibility in different applications.
The 8 terminals allow for easy connectivity and integration with other components.
The in-line package style saves space and allows for compact designs.
The high maximum operating temperature ensures performance in various environmental conditions.
SRAM 23K640-I/P attributes and parameters. Explore more SRAM devices from Microchip Technology
Maximum Clock Frequency (fCLK):
Input/Output Type:
JESD-30 Code:
JESD-609 Code:
Length:
Memory Density:
Memory IC Type:
Memory Width:
No. of Functions:
No. of Ports:
No. of Terminals:
No. of Words:
No. of Words Code:
Operating Mode:
Maximum Operating Temperature:
Minimum Operating Temperature:
Organization:
Output Characteristics:
Output Enable:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Parallel or Serial:
Power Supplies (V):
Qualification:
Screening Level:
Maximum Seated Height:
Maximum Standby Current:
Minimum Standby Voltage:
Sub-Category:
Maximum Supply Current:
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:
Width:
23K640-I/P Memory ICs trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.32.00.51
SB
8542.32.00.50
PCN Design/Specification - 23A640/23K640 19/Jul/2022
PCN Assembly/Origin - Mult Dev 13/Apr/2020
PCN Packaging - Label and Packing Changes 23/Sep/2015 MBB/Label Chgs 16/Nov/2018
Microchip Technology Incorporated is a leading provider of integrated circuit (IC) solutions for the global market. Founded in 1989, the company designs, manufactures, tests and markets state-of-the-art microcontrollers and analog devices for use in a wide array of electronics applications, such as the automotive industry, consumer electronics and industrial automation. Through its world-class production processes and technologies, Microchip Technology has become an innovator of semiconductor solutions that enable customers to maximize their performance while streamlining costs.
President and CEO
Ganesh Moorthy
Executive Chair
Steve Sanghi
CFO, Senior VP
J. Eric Bjornholt
Fab 5 - Colorado
Fabrication
Fab Initiation
1995
USA
Colorado Springs
Wafer Capacity
70,000
Santa Clara
1990
1,290
Lawrence
1989
5,000
Fab 4 - Gresham
1988
Gresham
50,000
Fab 2 - Tempe
1994
Tempe
30,000
Beverly
1985
2,000
Lowell
1986
15,000
Garden Grove
12,000
New Fab - Gresham
2024
BAV99
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Time At Peak Reflow Temperature (s): 30; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
LM555CM
Intersil
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
2N2222A
M/a-com Technology Solutions
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Terminal Position: BOTTOM; Package Style (Meter): CYLINDRICAL;
1N4148
Capar Components
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Forward Voltage (VF): 1 V; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Output Current: .15 A;
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;
M39029/56-351
Glenair
CONNECTOR ACCESSORY; Associated Backshell Military - Specifications: MIL-DTL-38999; Material: COPPER ALLOY; Associated Military - Specifications: MIL-DTL-38999; Contact Gender: FEMALE; DIN Conformity: NO;
Motorola
RECTIFIER DIODE; Surface Mount: YES; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; JESD-609 Code: e0;
Vishay Intertechnology
Vishay Intertechnology's BAV99 diode features a max forward voltage of 1.3V and a max output current of 0.15A, making it ideal for rectification applications. With a small outline package style and dual terminal position, this series-connected diode is designed for surface mount usage in various electronic circuits with an operating temperature range from -55°C to 150°C.
2N7002,215
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Time At Peak Reflow Temperature (s): 30; Transistor Application: SWITCHING; Package Body Material: PLASTIC/EPOXY;
PAP-06V-S
J S T Mfg
PAP-06V-S by J S T Mfg is a 6-contact BOARD CONNECTOR with 94V-0 UL Flammability Code. It has FEMALE contacts, CRIMP termination, and comes WITH CABLE ASSEMBLY for CABLE mounting applications.
Vishay Sprague
LL4148
Micronas Semiconductor Holding Ag
RECTIFIER DIODE; Surface Mount: YES; No. of Phases: 1; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Output Current: .2 A; Maximum Forward Voltage (VF): 1.2 V;
SMMBT2222ALT1G
Onsemi
SMMBT2222ALT1G by Onsemi is a NPN BJT transistor with 3 terminals, 0.6A IC, and 40V VCE. It has a hFE of 75, fT of 300MHz, and operates up to 150°C. Ideal for small signal applications in automotive electronics due to AEC-Q101 compliance.
M39029/58-360
Tri-star Electronics International
CONNECTOR ACCESSORY; Material: COPPER ALLOY; MIL Conformity: YES; Associated Military - Specifications: MIL-C-55302/69, MIL-C-38999; MIL-Connector Accessory Name: CONTACT; Terminal Type: CRIMP;
FDLL4148
FDLL4148 by Onsemi is a single rectifier diode with a max reverse recovery time of 0.004 us. With a max forward voltage of 1V and output current of 0.2A, it is ideal for applications requiring fast switching speeds in electronic circuits. The diode's glass package body material and isolated case connection make it suitable for surface mount designs operating at temperatures up to 175°C.
Silicon Standard
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: NO; Maximum Power Dissipation (Abs): .225 W; Maximum Drain-Source On Resistance: 7.5 ohm; Transistor Element Material: SILICON;
SMBJ18CA
Weitron Technology
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Ksl Microdevices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM555CN
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
5962-8685910LA
Pyramid Semiconductor
OTHER SRAM; Temperature Grade: MILITARY; No. of Terminals: 24; Package Code: DIP; Package Shape: RECTANGULAR; Screening Level: MIL-STD-883;
CY62256VNLL-70SNXI
Cypress Semiconductor
CY62256VNLL-70SNXI by Cypress is a 32Kx8 SRAM with 70ns access time, operating at 3V. It features asynchronous mode, common I/O type, and 3-state output. Ideal for industrial applications requiring fast and reliable memory storage in a compact small outline package.
CY62158EV30LL-45ZSXIT
Infineon Technologies
Infineon's CY62158EV30LL-45ZSXIT is a 1MX8 SRAM with 3.6V max supply voltage, 45ns access time, and 8388608-bit memory density. It operates in industrial temperatures and features a small outline package for applications requiring high-speed parallel memory solutions.
CY14V101QS-SF108XIT
NON-VOLATILE SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR; No. of Words Code: 128K;
70V3589S133BFI
Integrated Device Technology
MULTI-PORT SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 208; Package Code: LFBGA; Package Shape: SQUARE; No. of Functions: 1;
71024S15YG
Renesas Electronics
Renesas Electronics' 71024S15YG is a 128Kx8 SRAM with asynchronous operation and common I/O type. It operates at 5V, has a max access time of 15ns, and features a 3-STATE output. Ideal for commercial applications requiring fast memory access in small outline packages.
DS1220AD-200
Maxim Integrated
DS1220AD-200 by Maxim Integrated is a 2Kx8 non-volatile SRAM module with a max access time of 200 ns. It operates asynchronously at a nominal voltage of 5V and has a max standby current of 0.005 Amp. This memory IC is commonly used in applications requiring reliable data storage and retrieval.
71024S20TYGI8
STANDARD SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 32; Package Code: SOJ; Package Shape: RECTANGULAR; Output Characteristics: 3-STATE;
71321LA25PFGI8
MULTI-PORT SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 64; Package Code: LQFP; Package Shape: SQUARE; JESD-30 Code: S-PQFP-G64;
IDT71321LA20JG
MULTI-PORT SRAM; Temperature Grade: COMMERCIAL; No. of Terminals: 52; Package Code: QCCJ; Package Shape: SQUARE; Maximum Access Time: 20 ns;
CY14E101J2-SXIT
Infineon's CY14E101J2-SXIT is a 128Kx8 non-volatile SRAM with 1048576-bit memory density. Operating at 5V, it features synchronous mode and Gull Wing terminals on a small outline package. Ideal for industrial applications requiring reliable data storage in harsh environments.
CY14B101LA-SZ45XIT
Infineon Technologies' CY14B101LA-SZ45XIT is a 128Kx8 SRAM with 3V nominal voltage. Operating in industrial temperature range, it offers fast access time of 45ns and low standby current of 0.005A. Ideal for applications requiring high-speed data storage in compact designs.
IS62WV51216BLL-55TLI
Integrated Silicon Solution
IS62WV51216BLL-55TLI by Integrated Silicon Solution is a 512Kx16 SRAM with 55ns access time, operating at 3.3V. It features asynchronous mode, 44 terminals in small outline package, and industrial temperature grade. Ideal for applications requiring fast and reliable memory storage in harsh environments.
IDT71V416S15PHGI8
STANDARD SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 44; Package Code: TSOP2; Package Shape: RECTANGULAR; No. of Words Code: 256K;
IS66WVE4M16EBLL-70BLI
IS66WVE4M16EBLL-70BLI by Integrated Silicon Solution is a 4MX16 Pseudo Static RAM with a memory density of 67108864 bit. It operates in an asynchronous mode and has a max access time of 70 ns. This SRAM is commonly used in industrial applications due to its temperature grade and thin profile package style.
DS1230Y-100
DS1230Y-100 by Maxim Integrated is a 32Kx8 non-volatile SRAM module with a memory density of 262144 bits. It operates asynchronously at a nominal voltage of 5V and has a max access time of 100ns. This module is commonly used in applications that require reliable data storage and retrieval, such as embedded systems and industrial automation.
IDT71V424S10PHGI
STANDARD SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 44; Package Code: TSOP2; Package Shape: RECTANGULAR; Technology: CMOS;
71256SA20PZGI8
STANDARD SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 28; Package Code: TSOP; Package Shape: RECTANGULAR; Length: 11.8 mm;
CY62157DV30LL-55ZSXI
CY62157DV30LL-55ZSXI by Cypress Semiconductor is a 512Kx16 SRAM with 3.3V nominal voltage, 55ns access time, and 8388608-bit memory density. It is used in industrial applications requiring fast and reliable data storage with a parallel interface.
IS66WVS2M8BLL-104NLI
IS66WVS2M8BLL-104NLI by Integrated Silicon Solution is a 2MX8 SRAM with synchronous operation and 104 MHz clock frequency. It has a memory density of 16Mb and operates at an industrial temperature grade. Ideal for applications requiring fast, reliable memory storage in compact electronic devices.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
23K640-I/SN
Microchip Technology
23K640-I/SN by Microchip Technology is an 8Kx8 SRAM with a memory density of 65536 bits. Operating at a max clock frequency of 20 MHz, it has a synchronous mode and separate I/O type. Ideal for industrial applications requiring reliable memory storage in compact designs.
23K640-I/ST
STANDARD SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: TSSOP; Package Shape: RECTANGULAR; Terminal Pitch: .65 mm;
23K640-E/P
23K640-E/P by Microchip Technology is a CMOS SRAM with 8Kx8 organization and 65536-bit memory density. It operates at a max clock frequency of 16 MHz and has a nominal voltage of 3V. This memory IC is commonly used in automotive applications due to its TS16949 screening level and temperature grade.
23K640-E/SN
23K640-E/SN by Microchip Technology is a small outline SRAM with 8Kx8 organization, operating at up to 16 MHz. It has separate I/O type, operates synchronously at 3V, and features a max clock frequency of 16 MHz. Ideal for automotive applications due to its TS16949 screening level and low standby current of 0.00001 Amp.
23K640-E/ST
23K640-E/ST by Microchip Technology is a CMOS SRAM with 8Kx8 organization, operating at up to 16 MHz. It features separate I/O, 3-state output characteristics, and operates in automotive temperature grade applications.
23K640T-I/SN
STANDARD SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Minimum Operating Temperature: -40 Cel;
23K640T-E/P
STANDARD SRAM; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Terminal Form: THROUGH-HOLE;
23K640T-I/P
STANDARD SRAM; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Maximum Access Time: 25 ns;
23K640T-I/ST
23K640T-E/SN
STANDARD SRAM; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Package Equivalence Code: SOP8,.23;
23K640T-E/ST
STANDARD SRAM; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: TSSOP; Package Shape: RECTANGULAR; Peak Reflow Temperature (C): 260;
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