AT25256W-10SI-1.8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics:
  • Low-power CMOS technology
  • High-speed performance
  • Wide operating voltage range
  • Small form factor
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval
• Packaging/Quantity: Typically sold in reels of 2500 units

Specifications

• Part Number: AT25256W-10SI-1.8
• Memory Size: 256 Kbits (32 Kbytes)
• Organization: 32,768 words × 8 bits
• Operating Voltage Range: 1.7V to 5.5V
• Speed Grade: 10 MHz (maximum)
• Interface: SPI (Serial Peripheral Interface)
• Write Endurance: 1 million cycles
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT25256W-10SI-1.8 IC has a total of 8 pins, which are as follows:

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

Functional Features

• Non-volatile memory: The AT25256W-10SI-1.8 retains data even when power is removed.
• Serial interface: It uses the SPI protocol for communication with other devices.
• High-speed performance: The IC operates at a maximum speed of 10 MHz.
• Low-power consumption: It is designed to minimize power usage, making it suitable for battery-powered devices.
• Write protection: The WP pin allows for hardware write protection, preventing accidental modification of stored data.

Advantages and Disadvantages

Advantages: - Compact size and low-profile package - Wide operating voltage range allows for compatibility with various systems - High-speed performance enables quick data transfer - Long data retention period ensures reliable storage

Disadvantages: - Limited memory capacity compared to larger EEPROMs - Lack of built-in security features for data protection

Working Principles

The AT25256W-10SI-1.8 utilizes non-volatile memory technology to store and retrieve digital data. It employs the Serial Peripheral Interface (SPI) protocol for communication, allowing for easy integration into microcontroller-based systems. The IC uses a combination of floating gate transistors and control circuitry to achieve non-volatile data storage.

Detailed Application Field Plans

The AT25256W-10SI-1.8 is commonly used in various electronic devices that require non-volatile memory for data storage. Some typical application fields include: - Consumer electronics: Smartphones, tablets, digital cameras - Automotive: Engine control units, infotainment systems - Industrial automation: Programmable logic controllers, sensors - Medical devices: Patient monitoring systems, diagnostic equipment

Detailed and Complete Alternative Models

• AT25DF256-WH
• CAT25256YI-GT3
• M95640-WMN6TP

These alternative models offer similar functionality and specifications to the AT25256W-10SI-1.8 and can be considered as replacements depending on specific requirements.

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