AT25DF041B-XMHNHR-T

Introduction

The AT25DF041B-XMHNHR-T is a serial-interface Flash memory device belonging to the category of non-volatile memory. 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
• Use: Data storage in embedded systems, consumer electronics, industrial applications, and more.
• Characteristics: High-speed, low-power, small form factor, and reliable data retention.
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides secure and fast data storage for various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Memory Size: 4Mb (512K x 8)
• 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 per sector

Detailed Pin Configuration

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

Functional Features

• Fast Read/Write Operations: Enables quick access to stored data.
• Low Power Consumption: Ideal for battery-powered devices.
• Sector Protection: Allows specific sectors to be write-protected.
• Deep Power-down Mode: Reduces power consumption during idle periods.

Advantages and Disadvantages

Advantages

• High-speed data transfer
• Low power consumption
• Sector protection for enhanced security
• Wide operating temperature range

Disadvantages

• Limited erase/program cycles per sector
• Requires external components for operation

Working Principles

The AT25DF041B-XMHNHR-T operates based on the Serial Peripheral Interface (SPI) protocol. It communicates with the host microcontroller through SPI signals, enabling seamless data transfer between the memory device and the controller. When data needs to be stored or retrieved, the SPI interface facilitates the exchange of information, allowing for efficient utilization of the Flash memory.

Detailed Application Field Plans

The AT25DF041B-XMHNHR-T finds extensive use in various applications, including: - Embedded Systems: Storing firmware and configuration data. - Consumer Electronics: Storing user settings and application data. - Industrial Control Systems: Logging operational data and event records. - Automotive Electronics: Storing calibration parameters and diagnostic information.

Detailed and Complete Alternative Models

• AT25DF321A: Higher capacity variant with 32Mb memory size.
• AT25SF041: Offers similar functionality with different package options.
• W25Q32JVSSIQ: Competing model with comparable specifications.

In conclusion, the AT25DF041B-XMHNHR-T serves as a reliable and efficient non-volatile memory solution for a wide range of electronic devices, offering high-speed data transfer, low power consumption, and robust data retention capabilities.

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