SST25VF040B-50-4I-QAF-T

Introduction

The SST25VF040B-50-4I-QAF-T is a flash memory product belonging to the category of non-volatile memory devices. This entry provides an overview of its basic information, specifications, detailed 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 and Retrieval
• Characteristics: High-speed Read Operations, Low Power Consumption
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Reliable Data Storage Solution
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Memory Size: 4 Megabits
• Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to 85°C
• Interface: SPI (Serial Peripheral Interface)
• Speed: Up to 50 MHz

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 Input
8. VCC - Power Supply

Functional Features

• High-Speed Read Operations: Enables fast data retrieval.
• Low Power Consumption: Ideal for battery-powered devices.
• SPI Interface: Facilitates easy integration with microcontrollers.

Advantages and Disadvantages

Advantages

• Fast Read Operations
• Low Power Consumption
• Compact Package Size

Disadvantages

• Limited Storage Capacity
• Relatively Higher Cost per Megabit

Working Principles

The SST25VF040B-50-4I-QAF-T operates by storing data in a non-volatile manner using floating gate technology. When data is written, charge is trapped in the floating gate, preserving the information even when power is removed. During read operations, the stored charge is detected, allowing the retrieval of the stored data.

Detailed Application Field Plans

The SST25VF040B-50-4I-QAF-T is suitable for various applications including: - Embedded Systems - Consumer Electronics - Industrial Control Systems - Automotive Electronics

Detailed and Complete Alternative Models

• AT25DF041A: Comparable 4Mb SPI Flash Memory
• W25Q40JV: 4Mb Serial Flash Memory with Dual/Quad SPI

In conclusion, the SST25VF040B-50-4I-QAF-T offers a reliable and efficient solution for non-volatile data storage needs, particularly in applications requiring high-speed read operations and low power consumption.

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