AT25256-10PC-1.8

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data Storage

Characteristics: - Non-volatile memory - Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) - 256 Kbit (32 Kbyte) capacity - Low power consumption - High reliability and endurance - Wide operating voltage range: 1.8V to 5.5V - Industry-standard 8-pin DIP (Dual In-line Package) package

Package: 8-pin DIP

Essence: The AT25256-10PC-1.8 is a serial EEPROM IC used for non-volatile data storage in various electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Memory Capacity: 256 Kbit (32 Kbyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years
• Clock Speed: Up to 20 MHz
• Package Type: 8-pin DIP

Detailed Pin Configuration

The AT25256-10PC-1.8 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | CS | Chip Select | | 2 | SO | Serial Data Output | | 3 | WP | Write Protect | | 4 | GND | Ground | | 5 | SI | Serial Data Input | | 6 | SCK | Serial Clock | | 7 | HOLD | Hold Input | | 8 | VCC | Power Supply |

Functional Features

• High-speed data transfer using the Serial Peripheral Interface (SPI)
• Byte and page-level write operations
• Software and hardware write protection options
• Sequential read mode for efficient data retrieval
• Chip erase and sector erase functions
• Write enable latch for enhanced security
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages: - Compact size and low pin count - Wide operating voltage range allows compatibility with various systems - High reliability and endurance ensure long-term data retention - Industry-standard package facilitates easy integration into existing designs - Flexible write protection options provide data security

Disadvantages: - Limited storage capacity compared to other memory technologies - Slower write speed compared to some alternative models - Higher cost per bit compared to larger capacity memory devices

Working Principles

The AT25256-10PC-1.8 operates based on the principles of EEPROM technology. It utilizes a floating gate transistor structure to store and retrieve data. The serial interface allows for efficient communication with the host system, enabling read and write operations at high speeds. The chip's internal circuitry manages the storage and retrieval of data, ensuring reliable and secure operation.

Detailed Application Field Plans

The AT25256-10PC-1.8 is widely used in various electronic devices that require non-volatile data storage. Some common application fields include:

1. Consumer Electronics:

   • Smartphones
   • Tablets
   • Digital cameras
   • Portable media players

2. Automotive Systems:

   • Engine control units
   • Infotainment systems
   • Instrument clusters

3. Industrial Automation:

   • Programmable logic controllers (PLCs)
   • Human-machine interfaces (HMIs)
   • Data loggers

4. Medical Devices:

   • Patient monitoring systems
   • Portable medical equipment
   • Diagnostic devices

Detailed and Complete Alternative Models

1. AT25DF321A: 32 Mbit (4 Mbyte) Serial Flash Memory, SPI interface, 8-pin DIP package.
2. CAT24C256: 256 Kbit (32 Kbyte) Serial EEPROM, I2C interface, 8-pin DIP package.
3. M93C86: 16 Kbit (2 Kbyte) Serial EEPROM, SPI interface, 8-pin DIP package.
4. 24AA256: 256 Kbit (32 Kbyte) Serial EEPROM, I2C interface, 8-pin DIP package.

These alternative models offer similar functionality and capacity to the AT25256-10PC-1.8, providing options for different system requirements.

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