AT25128-10PI-2.7

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data storage and retrieval

Characteristics: - Non-volatile memory - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - 128 Kbit capacity - Operating voltage: 2.7V to 5.5V - Low power consumption - High reliability - Small form factor

Package: DIP (Dual In-line Package)

Essence: AT25128-10PI-2.7 is a serial EEPROM IC designed for data storage and retrieval in various electronic devices.

Packaging/Quantity: The AT25128-10PI-2.7 is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Capacity: 128 Kbits (16 kilobytes)
• Interface: Serial I2C (Inter-Integrated Circuit)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years
• Clock Speed: Up to 400 kHz
• Package Type: DIP-8 (Dual In-line Package with 8 pins)

Detailed Pin Configuration

The AT25128-10PI-2.7 has 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ ├───┼───┤ │ 2 │ 7 │ ├───┼───┤ │ 3 │ 6 │ ├───┼───┤ │ 4 │ 5 │ └───┴───┘

1. Chip Select (CS): Used to enable/disable the IC for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SDI): Used to input data into the IC.
4. Ground (GND): Connected to the ground reference of the system.
5. Serial Data Output (SDO): Outputs data from the IC.
6. Write Protect (WP): Used to protect the memory from accidental writes.
7. Vcc: Power supply voltage input.
8. No Connection (NC): Pin not connected.

Functional Features

• High-speed data transfer using the I2C interface.
• Low power consumption, suitable for battery-powered devices.
• Built-in write protection mechanism to prevent accidental data modification.
• Wide operating voltage range allows compatibility with various systems.
• Reliable and durable EEPROM technology ensures long-term data retention.

Advantages and Disadvantages

Advantages: - Non-volatile memory retains data even when power is disconnected. - Small form factor enables integration into compact electronic devices. - High reliability and long data retention period. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Slower data transfer rate compared to some other memory types. - Relatively higher cost per bit compared to larger capacity memories.

Working Principles

The AT25128-10PI-2.7 operates based on the principles of EEPROM technology. It uses a floating gate transistor structure to store and retrieve data. The data can be written or erased electrically, making it non-volatile and capable of retaining information even when power is disconnected. The I2C interface facilitates communication between the IC and the host device, allowing for easy data transfer and retrieval.

Detailed Application Field Plans

The AT25128-10PI-2.7 is widely used in various electronic devices that require non-volatile data storage and retrieval. Some common application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, digital cameras, and portable media players for storing configuration settings, user preferences, and firmware updates.
2. Automotive: Employed in automotive electronics for storing critical data such as mileage, vehicle settings, and diagnostic information.
3. Industrial Control Systems: Utilized in industrial automation systems for storing calibration data, production parameters, and system configurations.
4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and usage logs.
5. IoT (Internet of Things): Incorporated into IoT devices for storing sensor data, device identification, and network configuration.

Detailed and Complete Alternative Models

1. AT24C02: 2 Kbit capacity, I2C interface, DIP-8 package.
2. AT93C46: 1 Kbit capacity, Microwire interface, SOIC-8 package.
3. CAT24C256: 256 Kbit capacity, I2C