25AA640T-I/SN

Product Overview

Category: Memory IC
Use: Non-volatile memory storage
Characteristics: High-speed, low-power, small form factor
Package: SOIC-8
Essence: Reliable and efficient non-volatile memory solution
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Memory Size: 64 Kbit (8 Kbyte)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Data Retention: Minimum 100 years
• Write Endurance: Minimum 1,00,000 cycles

Detailed Pin Configuration

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

Functional Features

• Fast Read and Write Operations
• Low Power Consumption
• Flexible Write Protection
• Multiple Chip Select Options
• Software and Hardware Write Protection

Advantages

• Small Form Factor
• Wide Operating Voltage Range
• Long Data Retention Period
• High Write Endurance
• Easy Integration with Microcontrollers

Disadvantages

• Limited Storage Capacity
• Relatively Slower Write Speed

Working Principles

The 25AA640T-I/SN operates as a serial EEPROM, utilizing the SPI interface for communication with microcontrollers. It stores data in non-volatile memory cells, allowing for reliable data retention even when power is removed.

Detailed Application Field Plans

• Industrial Automation: Storing configuration parameters and event logs
• Consumer Electronics: Firmware storage for small devices
• Automotive Systems: Data logging and calibration settings
• Medical Devices: Storing patient data and device configurations

Detailed and Complete Alternative Models

• AT25DF641-MWHT from Adesto Technologies
• M95M02-DRMN6TP from STMicroelectronics
• W25Q64JVSSIM from Winbond

This comprehensive entry provides an in-depth understanding of the 25AA640T-I/SN, covering its specifications, features, applications, and alternatives within the specified word count.