AT25256AW-10SU-1.8

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data Storage

Characteristics: - Non-volatile memory - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - Low power consumption - High reliability - Small form factor

Package: SOIC (Small Outline Integrated Circuit)

Essence: The AT25256AW-10SU-1.8 is a serial EEPROM IC that provides non-volatile data storage capabilities. It is commonly used in various electronic devices for storing configuration settings, calibration data, and other small amounts of information.

Packaging/Quantity: The AT25256AW-10SU-1.8 is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V
• Speed: 10 MHz (maximum clock frequency)
• Endurance: 1 million write cycles
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT25256AW-10SU-1.8 has a total of 8 pins, which are as follows:

1. Chip Select (CS) - Used to enable/disable the device.
2. Serial Clock (SCK) - Provides the clock signal for data transfer.
3. Serial Data Input (SI) - Used to input data into the device.
4. Serial Data Output (SO) - Outputs data from the device.
5. Write Protect (WP) - Allows protection against accidental writes.
6. VCC - Power supply voltage.
7. Ground (GND) - Common ground reference.
8. Hold (HOLD) - Used to pause serial communication temporarily.

Functional Features

• Byte and Page Write Operations: The AT25256AW-10SU-1.8 supports both byte-level and page-level write operations, allowing flexible data storage options.
• Sequential Read: It enables sequential read operations, allowing efficient retrieval of stored data.
• Software Protection: The device offers software protection features, such as write protection and a hardware-controlled write enable latch, to prevent unauthorized modifications.
• Low Power Consumption: The IC is designed to operate with low power consumption, making it suitable for battery-powered devices.
• High Reliability: With a high endurance of 1 million write cycles and long-term data retention of 100 years, the AT25256AW-10SU-1.8 ensures reliable data storage.

Advantages and Disadvantages

Advantages: - Compact Size: The small form factor of the SOIC package makes it suitable for space-constrained applications. - Easy Integration: The SPI interface simplifies integration into various electronic systems. - Versatile Use: The AT25256AW-10SU-1.8 can be used in a wide range of devices, including consumer electronics, industrial equipment, and automotive applications. - Reliable Performance: The high endurance and data retention capabilities ensure long-lasting and dependable data storage.

Disadvantages: - Limited Storage Capacity: With a memory size of 256 kilobits, the AT25256AW-10SU-1.8 may not be suitable for applications requiring larger data storage capacities. - Serial Interface: While the serial interface provides simplicity, it may result in slower data transfer rates compared to parallel interfaces.

Working Principles

The AT25256AW-10SU-1.8 operates based on the principles of EEPROM technology. It utilizes electrically controlled floating gate transistors to store and retrieve data. The data can be written to and read from the memory cells using the SPI interface. The IC's internal circuitry manages the storage and retrieval of data, ensuring reliable and accurate operation.

Detailed Application Field Plans

The AT25256AW-10SU-1.8 finds applications in various fields, including:

1. Consumer Electronics:

   • Smartphones
   • Tablets
   • Digital Cameras

2. Industrial Equipment:

   • Programmable Logic Controllers (PLCs)
   • Measurement Instruments
   • Automation Systems

3. Automotive:

   • Engine Control Units (ECUs)
   • Infotainment Systems
   • Dashboard Displays

4. Medical Devices:

   • Patient Monitoring Systems
   • Portable Medical Equipment
   • Diagnostic Devices

Detailed and Complete Alternative Models

1. AT25DF321A: 32 megabit (4 megabyte) serial flash memory with similar features and interface.
2. CAT24C256: 256 kilobit (32 kilobyte) I2C-compatible serial EEPROM with comparable characteristics.
3. M95M02: 2 megabit (256 kilobyte