AT25DF321A-SH-T

Introduction

The AT25DF321A-SH-T is a serial flash memory product belonging to the category of non-volatile memory devices. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Non-volatile Memory Device
• Use: Data storage in embedded systems, consumer electronics, and industrial applications
• Characteristics: High-speed, low-power consumption, small form factor
• Package: 8-lead SOIC, 8-contact WSON
• Essence: Reliable data storage and retrieval
• Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

• Memory Size: 32Mb (4MB)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: 20 years
• Erase/Program Cycles: 100,000 cycles

Detailed Pin Configuration

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
8. VCC - Power Supply

Functional Features

• Fast Read and Program Operations
• Low Power Consumption
• Flexible Erase and Program Options
• Hardware and Software Protection
• Deep Power-down Mode for Ultra-low Standby Power

Advantages and Disadvantages

Advantages

• High-speed data transfer
• Low power consumption
• Small form factor
• Reliable data retention

Disadvantages

• Limited erase/program cycles
• Higher cost compared to traditional storage solutions

Working Principles

The AT25DF321A-SH-T operates on the Serial Peripheral Interface (SPI) protocol, allowing for high-speed communication with microcontrollers. It utilizes a floating gate technology for data storage, enabling reliable and long-term data retention.

Detailed Application Field Plans

The AT25DF321A-SH-T is suitable for various applications including: - Embedded Systems - Consumer Electronics - Industrial Control Systems - Automotive Electronics - Medical Devices

Detailed and Complete Alternative Models

• Winbond W25Q32JVSSIM
• Macronix MX25L3233F
• Spansion S25FL132K0XMFI011

In conclusion, the AT25DF321A-SH-T offers high-speed, reliable data storage in a compact form factor, making it suitable for a wide range of applications across different industries.

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