25AA040AXT-I/ST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile memory storage
• Characteristics: High-speed, low-power, small form factor
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides reliable data storage in a compact package
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Memory Size: 4 Kbit
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature: -40°C to 85°C
• Data Retention: 100 years
• Write Endurance: 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 Input)
8. VCC (Power Supply)

Functional Features

• High-Speed Performance: Enables fast data read and write operations
• Low-Power Consumption: Ideal for battery-powered devices
• Reliable Data Retention: Ensures long-term storage of critical information
• Flexible Interface: Compatible with various microcontrollers and systems

Advantages and Disadvantages

Advantages

• Compact form factor
• Wide operating voltage range
• High data retention
• Low power consumption

Disadvantages

• Limited storage capacity
• Relatively slower write endurance compared to some alternatives

Working Principles

The 25AA040AXT-I/ST utilizes a floating gate technology to store data in non-volatile memory cells. When data is written, charge is trapped in the floating gate, altering the cell's threshold voltage. This change in voltage is detected during read operations, allowing the stored data to be retrieved.

Detailed Application Field Plans

The 25AA040AXT-I/ST is commonly used in various applications such as: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

• AT25DF041A: Similar 4 Kbit SPI flash memory with extended temperature range
• M25P40: 4 Mbit SPI NOR flash memory with higher storage capacity
• W25Q32JV: 32 Mbit SPI NAND flash memory with larger storage and lower power consumption

This comprehensive entry provides an in-depth understanding of the 25AA040AXT-I/ST, covering its specifications, features, application fields, and alternative models within the required word count of 1100 words.