AT25256-10PI-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 capacity - 10 MHz clock frequency - 1.8V operating voltage

Package: DIP (Dual In-line Package)

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

Packaging/Quantity: Available in tubes, reels, or trays with varying quantities depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 256 Kbits (32 Kbytes)
• Clock Frequency: 10 MHz
• Operating Voltage: 1.8V
• Interface: SPI (Serial Peripheral Interface)
• Write Endurance: 1 million cycles
• Data Retention: 100 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT25256-10PI-1.8 has a total of 8 pins arranged as follows:

1. Chip Select (/CS) - Active low input signal used to enable communication with the IC.
2. Serial Clock (SCK) - Input signal that synchronizes data transfer between the microcontroller and the IC.
3. Serial Data Input (SI) - Input signal for transferring data from the microcontroller to the IC.
4. Serial Data Output (SO) - Output signal for transferring data from the IC to the microcontroller.
5. Write Protect (/WP) - Input signal used to protect the memory from accidental writes.
6. VCC - Power supply pin (+1.8V).
7. Ground (GND) - Common ground reference.
8. Hold (/HOLD) - Input signal used to pause serial communication without deselecting the IC.

Functional Features

• High-speed data transfer using SPI interface.
• Low power consumption.
• Hardware and software write protection.
• Flexible memory organization with multiple sectors and blocks.
• Built-in error detection and correction mechanisms.
• Sequential and random read modes for efficient data retrieval.

Advantages and Disadvantages

Advantages: - Compact size and easy integration into various electronic devices. - High reliability and long data retention. - Wide operating temperature range. - Low power consumption. - Flexible memory organization.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Slower write speed compared to some alternative models. - Requires an external microcontroller or host device for operation.

Working Principles

The AT25256-10PI-1.8 operates based on the principles of EEPROM technology. It utilizes a floating-gate transistor structure to store and retrieve data. The memory cells can be electrically programmed and erased, allowing non-volatile data storage even when power is removed. The IC communicates with a microcontroller or host device through the SPI interface, enabling high-speed data transfer and flexible memory organization.

Detailed Application Field Plans

The AT25256-10PI-1.8 is widely used in various applications that require non-volatile data storage, such as: - Consumer electronics (e.g., TVs, set-top boxes, digital cameras) - Automotive systems (e.g., infotainment, engine control units) - Industrial automation (e.g., PLCs, motor drives) - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the AT25256-10PI-1.8 include: - AT25DF256A: 256 Kbit SPI Flash Memory - CAT24C256: 256 Kbit I2C EEPROM - M95640: 64 Kbit SPI EEPROM - 25AA256: 256 Kbit Serial EEPROM

These alternative models offer similar functionality and capacity, but may have different package options, voltage requirements, or interface protocols.

Word count: 443 words