25AA640AT-I/MS

Product Overview

Category

The 25AA640AT-I/MS belongs to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

It is commonly used for non-volatile data storage in various electronic devices, including consumer electronics, industrial equipment, and automotive applications.

Characteristics

• Non-volatile memory
• Serial interface
• Low power consumption
• High reliability
• Small form factor

Package

The 25AA640AT-I/MS is typically available in a small surface-mount package, making it suitable for compact designs.

Essence

This chip provides reliable and efficient data storage capabilities for a wide range of electronic devices.

Packaging/Quantity

It is often supplied in tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Capacity: 64 kilobits (8 kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 25AA640AT-I/MS typically features an 8-pin configuration, including power supply, ground, and SPI communication pins.

Functional Features

• Byte and Page Write Modes
• Sequential Reads
• Self-timed Write Cycle
• Hardware Write Protection
• Unparalleled Reliability

Advantages and Disadvantages

Advantages

• Low power consumption
• Compact form factor
• High reliability and endurance
• Flexible interface options

Disadvantages

• Limited capacity compared to larger EEPROM chips
• Higher cost per bit compared to larger memory solutions

Working Principles

The 25AA640AT-I/MS operates by utilizing the SPI interface to communicate with the host system. It stores and retrieves data through a series of read and write operations, providing non-volatile memory storage for critical information.

Detailed Application Field Plans

Consumer Electronics

• Smartphones
• Wearable devices
• Digital cameras

Industrial Equipment

• Programmable logic controllers (PLCs)
• Data loggers
• Sensor modules

Automotive Applications

• Engine control units (ECUs)
• Infotainment systems
• Advanced driver-assistance systems (ADAS)

Detailed and Complete Alternative Models

• 25LC640A-I/MS
• 24AA64T-I/MS
• AT25010A-MAHL-T

In conclusion, the 25AA640AT-I/MS serial EEPROM chip offers a reliable and efficient solution for non-volatile data storage in a wide range of electronic devices, with its compact form factor, low power consumption, and high reliability making it a popular choice for various applications.

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