Encyclopedia Entry: 93AA66AT-I/ST

Product Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM Memory

Characteristics: - Low-power consumption - High-speed performance - Small form factor - Reliable data retention - Easy integration into electronic systems

Package: SOIC-8 (Small Outline Integrated Circuit, 8 pins)

Essence: The 93AA66AT-I/ST is a non-volatile serial EEPROM memory IC that provides reliable and high-speed data storage in a compact package.

Packaging/Quantity: The 93AA66AT-I/ST is typically sold in reels containing 2,500 units.

Specifications

• Memory Size: 4Kbits (512 x 8 bits)
• Interface: Serial I2C (Inter-Integrated Circuit) Bus
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million Cycles
• Data Retention: 200 Years

Detailed Pin Configuration

The 93AA66AT-I/ST IC has the following pin configuration:

1. VCC: Power supply voltage
2. SDA: Serial Data Input/Output
3. SCL: Serial Clock Input
4. WP: Write Protect (optional)
5. VSS: Ground
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection

Functional Features

• Byte-level Read and Write Operations
• Software Write Protection
• Sequential Read Operation
• Self-timed Erase and Write Cycles
• Schmitt Trigger Inputs for Noise Suppression
• Hardware Write Protection (optional)

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices - High-speed performance allows for efficient data transfer - Small form factor enables integration into space-constrained designs - Reliable data retention ensures long-term storage of critical information - Easy integration into electronic systems due to standard I2C interface

Disadvantages: - Limited memory size may not be sufficient for certain applications requiring larger storage capacity - Lack of additional security features, such as encryption, may limit use in sensitive data storage scenarios

Working Principles

The 93AA66AT-I/ST operates based on the principles of Electrically Erasable Programmable Read-Only Memory (EEPROM). It utilizes a floating gate transistor structure to store and retrieve digital data. The IC communicates with the host system through the I2C bus, enabling easy integration and control.

Detailed Application Field Plans

The 93AA66AT-I/ST is widely used in various electronic devices and systems, including but not limited to: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive electronics (e.g., infotainment systems, engine control units) - Industrial automation (e.g., programmable logic controllers, sensors) - Medical devices (e.g., patient monitoring systems, diagnostic equipment) - Smart home appliances (e.g., smart thermostats, home security systems)

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 93AA66AT-I/ST include: - 24AA64-I/P by Microchip Technology Inc. - CAT24C02WI-GT3 by ON Semiconductor - AT24C08AN-SH-T by Adesto Technologies Corporation - M24C04-RMN6TP by STMicroelectronics

These alternatives provide comparable memory sizes, interface compatibility, and operating characteristics, allowing users to choose the most suitable option for their specific application requirements.

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