Encyclopedia Entry: 25AA02E64T-I/OT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics: High-density, low-power, small form factor
• Package: SOT-23-3
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Memory Size: 2 Kbits (256 bytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 200 Years
• Clock Speed: Up to 10 MHz

Detailed Pin Configuration

The 25AA02E64T-I/OT IC has a total of three pins: 1. VCC: Power supply pin (+1.7V to +5.5V) 2. SO: Serial Data Output pin 3. CS: Chip Select Input pin

Functional Features

• Non-volatile memory: Retains data even when power is disconnected
• Serial interface: Allows easy integration with microcontrollers and other devices
• Low power consumption: Ideal for battery-powered applications
• High-speed operation: Supports fast read and write operations
• Write protection: Provides hardware protection against accidental writes

Advantages

• Compact size: Suitable for space-constrained designs
• Wide operating voltage range: Compatible with various systems
• High endurance and retention: Ensures reliable data storage
• Easy integration: SPI interface simplifies communication with host devices

Disadvantages

• Limited memory capacity: Not suitable for large-scale data storage
• Lack of built-in security features: Vulnerable to unauthorized access

Working Principles

The 25AA02E64T-I/OT is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve data. The SPI interface enables the microcontroller or host device to communicate with the IC, allowing for efficient read and write operations.

Detailed Application Field Plans

The 25AA02E64T-I/OT IC finds applications in various electronic devices, including but not limited to: - Consumer electronics (smartphones, tablets, digital cameras) - Automotive systems (infotainment, engine control units) - Industrial automation (sensor calibration, equipment monitoring) - Medical devices (patient monitoring, diagnostic equipment) - Internet of Things (IoT) devices (smart home appliances, wearable devices)

Alternative Models

1. 25AA010A: 1 Kbit Serial EEPROM, SOT-23-3 package
2. 25AA040A: 4 Kbit Serial EEPROM, SOT-23-3 package
3. 25AA080A: 8 Kbit Serial EEPROM, SOT-23-3 package
4. 25AA160A: 16 Kbit Serial EEPROM, SOT-23-3 package

These alternative models offer different memory capacities while maintaining similar characteristics and package options.

Word count: 346 words