25AA640AT-I/MS

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25AA640AT-I/MS

IC EEPROM 64KBIT SPI 10MHZ 8MSOP

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Spezifikationen

Part Status Active
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 64Kbit
Memory Organization 8K x 8
Memory Interface SPI
Write Cycle Time - Word, Page 5ms
Voltage - Supply 1.8V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP
Base Product Number 25AA640
Clock Frequency 10 MHz

Übersicht

Description

The 25AA640AT-I/MS is an integrated circuit memory device produced by Microchip Technology. It is a 64 Kbit (8 K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) that communicates using the SPI (Serial Peripheral Interface) protocol. The device operates on a voltage range of 1.8V to 5.5V and is suitable for applications requiring non-volatile data storage, such as configuration settings, calibration data, and small data logs.
Key features include fast read and write speeds, a high endurance of up to 1 million write cycles, and a data retention period of up to 100 years. The 25AA640AT-I/MS comes in various package types, including MSOP and SOIC, making it versatile for different designs. Its small size and low power consumption make it ideal for use in consumer electronics, automotive applications, and industrial automation systems.

Features

The 25AA640AT-I/MS is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Here are its key features:
1. Memory Capacity: 64 Kbit (8 KB) of memory.
2. Interface: SPI (Serial Peripheral Interface) with a clock speed of up to 20 MHz.
3. Data Retention: Minimum of 100 years at 25°C.
4. Write Cycles: Endurance of 1,000,000 write/erase cycles per memory cell.
5. Power Supply: Operates from 1.8V to 5.5V.
6. Operating Temperature: Available in standard (0°C to 70°C) and industrial (-40°C to 85°C) temperature ranges.
7. Chip Select: Supports multiple devices on the same bus with chip select lines.
8. Low Power Consumption: Designed for low power usage during both operation and standby modes.
9. Page Write: Allows up to 32 bytes to be written in a single operation for efficient data handling.
This makes it suitable for applications in consumer electronics, automotive, and industrial systems requiring non-volatile data storage.

Package

The 25AA640AT-I/MS is available in a 8-pin PDIP (Plastic Dual In-line Package) and an 8-pin SOIC (Small Outline Integrated Circuit) package type. It is commonly used for EEPROM applications, featuring a serial interface for communication.

Pinout

The 25AA640AT-I/MS is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) device with a total of 8 pins. The pin configuration is as follows:
1. CS (Chip Select) - Activates the device for communication.
2. MOSI (Master Out Slave In) - Data input pin for receiving data from the master.
3. MISO (Master In Slave Out) - Data output pin for sending data to the master.
4. SCK (Serial Clock) - Clock signal for synchronous data transfer.
5. VCC - Power supply pin (typically 1.8V to 5.5V).
6. GND - Ground pin.
7. HOLD - Pauses communication without resetting the internal state.
8. WP (Write Protect) - When asserted, it protects the memory from being written.
The device supports a 64 Kbit memory size, operates using a Serial Peripheral Interface (SPI), and is commonly used for data storage in various applications.

Manufacturer

The manufacturer of the 25AA640AT-I/MS is Microchip Technology Inc., a leading provider of microcontroller, memory, and analog semiconductor solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in embedded control applications, offering a wide range of products including microcontrollers (MCUs), digital signal controllers (DSCs), and various memory devices. The 25AA640AT-I/MS is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip that provides memory storage with the capability for data retention and easy interfacing with microcontrollers. Microchip serves a diverse range of industries, including automotive, industrial, and consumer electronics, making them a significant player in the semiconductor market.

Application

The 25AA640AT-I/MS is a serial EEPROM memory device commonly used in various application areas, including consumer electronics, automotive systems, industrial automation, smart meters, and telecommunications. It is ideal for storing configuration data, calibration settings, and firmware due to its low power consumption, high endurance, and ease of integration in embedded systems.

Equivalent

The 25AA640AT-I/MS chip is a 64Kb (8KB) SPI serial EEPROM. Equivalent products include:
1. AT25DF041A - 4Mbit Serial Flash
2. W25X40CL - 4Mbit Serial Flash
3. 93C56 - 2Kbit Serial EEPROM
4. M24C02 - 2Kbit I2C EEPROM
Always verify specifications like operating voltage and interface type for compatibility.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

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