AT25040A-10PI-2.7

Overview

Category: Integrated Circuit (IC)
Use: Non-volatile Serial EEPROM Memory
Characteristics: Low-power, high-performance, 4K (4096 bits) memory size
Package: PDIP (Plastic Dual In-line Package)
Essence: Electrically Erasable Programmable Read-Only Memory (EEPROM)
Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Memory Size: 4K bits
• Organization: 512 x 8
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: SPI (Serial Peripheral Interface)
• Write Time: 5ms (typical)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT25040A-10PI-2.7 IC has a total of 8 pins arranged as follows:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. VCC (Supply Voltage)
7. Ground (GND)
8. Hold (/HOLD)

Functional Features

• Non-volatile memory: The AT25040A-10PI-2.7 retains data even when power is removed.
• High-speed performance: The SPI interface allows for fast data transfer.
• Low-power consumption: Operates efficiently with a wide supply voltage range.
• Write protection: The /WP pin can be used to protect the memory from accidental writes.

Advantages and Disadvantages

Advantages: - Compact size and easy integration into various electronic devices. - High reliability and long data retention. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited memory size compared to other EEPROM options. - Slower write time compared to some newer memory technologies.

Working Principles

The AT25040A-10PI-2.7 is based on the Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve data. The memory cells can be electrically programmed and erased, allowing for non-volatile data storage.

Detailed Application Field Plans

The AT25040A-10PI-2.7 IC finds applications in various electronic systems, including but not limited to:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for configuration and firmware storage.
2. Automotive: Employed in automotive electronics for storing critical data such as calibration settings, mileage, and vehicle identification information.
3. Industrial Control Systems: Utilized in industrial automation, control panels, and sensors for storing configuration parameters and calibration data.
4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and firmware updates.

Detailed and Complete Alternative Models

1. AT25080A-10PI-2.7: 8K bits memory size, otherwise similar specifications.
2. AT25160A-10PI-2.7: 16K bits memory size, otherwise similar specifications.
3. AT25320A-10PI-2.7: 32K bits memory size, otherwise similar specifications.
4. AT25640A-10PI-2.7: 64K bits memory size, otherwise similar specifications.

These alternative models provide increased memory capacity while maintaining compatibility with the AT25040A-10PI-2.7 in terms of pin configuration and functionality.

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