AT25256-10PC

Product Overview

Category

AT25256-10PC belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile memory: The data stored in AT25256-10PC remains even when power is removed.
• Electrically erasable: The memory can be erased and reprogrammed electrically, without requiring a separate UV light source.
• High storage capacity: AT25256-10PC has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: This chip operates at low power levels, making it suitable for battery-powered devices.
• High reliability: It offers excellent data retention and endurance characteristics.

Package

AT25256-10PC is available in a standard 8-pin DIP (Dual In-line Package) format.

Essence

The essence of AT25256-10PC lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power loss or system shutdown.

Packaging/Quantity

AT25256-10PC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI/MOSI)
4. Serial Data Output (SO/MISO)
5. Write Protect (/WP)
6. VCC (Power Supply)
7. Ground (GND)
8. Hold (/HOLD)

Functional Features

• Byte and Page Write Operations: AT25256-10PC supports both byte-level and page-level write operations, allowing flexible data storage.
• Sequential Read Operation: It enables sequential read operations, enhancing data retrieval efficiency.
• Software Protection: The chip provides a write protection mechanism to prevent accidental modification of stored data.
• Chip Erase Function: AT25256-10PC offers a chip erase function, allowing the entire memory to be cleared simultaneously.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity during power loss.
• Electrically erasable and reprogrammable, eliminating the need for UV light.
• High storage capacity for various applications.
• Low power consumption, suitable for battery-powered devices.
• Excellent reliability with high endurance and data retention characteristics.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to some alternative models.

Working Principles

AT25256-10PC utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells that can be electrically erased and reprogrammed. The chip operates by sending commands and data through the SPI interface, allowing read, write, and erase operations as per the host device's instructions.

Detailed Application Field Plans

AT25256-10PC finds applications in various electronic devices, including but not limited to: - Microcontrollers - Computers - Consumer electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

1. AT25DF321A: 32 megabit (4 megabyte) Serial Flash Memory
2. AT24C256: 256 kilobit (32 kilobyte) Serial EEPROM
3. AT93C66A: 4 kilobit (512 byte) Microwire Serial EEPROM

These alternative models offer different storage capacities and interface options, catering to diverse application requirements.

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