AT25DF021-SSH-T

Product Overview

Category

AT25DF021-SSH-T belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving digital information in various electronic devices.

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High-speed operation: Enables fast read and write operations.
• Low power consumption: Optimized for energy efficiency.
• Wide temperature range: Suitable for use in extreme environmental conditions.

Package

AT25DF021-SSH-T is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of AT25DF021-SSH-T lies in its ability to provide reliable and high-performance storage solutions for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Memory Size: 2 Megabits (256 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Erase/Program Cycles: 100,000 cycles

Detailed Pin Configuration

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

Functional Features

• Fast Read and Write Operations: Allows for efficient data transfer between the memory and the device.
• Sector Erase and Program: Enables selective erasing and programming of specific memory sectors.
• Software Protection: Provides options for protecting sensitive data from unauthorized access.
• Deep Power-down Mode: Reduces power consumption when the device is not in use.

Advantages and Disadvantages

Advantages

• Compact form factor
• High-speed operation
• Low power consumption
• Wide temperature range

Disadvantages

• Limited memory size compared to other flash memory options
• Relatively lower erase/program cycles

Working Principles

AT25DF021-SSH-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells, which retain information even without power. The device can be accessed by sending commands through the SPI interface, allowing for read, write, erase, and other operations.

Detailed Application Field Plans

AT25DF021-SSH-T finds applications in various electronic devices, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

1. AT25DF041A-SSH-T: 4 Megabit Serial Flash Memory
2. AT25DF081A-SSH-T: 8 Megabit Serial Flash Memory
3. AT25DF161-SSH-T: 16 Megabit Serial Flash Memory
4. AT25DF321A-SSH-T: 32 Megabit Serial Flash Memory
5. AT25DF641-SSH-T: 64 Megabit Serial Flash Memory

These alternative models offer higher memory capacities while maintaining similar characteristics and functionality.

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