93AA66/SN

Product Overview

Category

The 93AA66/SN is a serial electrically erasable programmable read-only memory (EEPROM) integrated circuit.

Use

It is commonly used for non-volatile data storage in various electronic devices such as automotive, industrial, and consumer electronics.

Characteristics

• The 93AA66/SN features a small form factor and low power consumption, making it suitable for portable and battery-powered applications.
• It offers high reliability and endurance, with the ability to withstand numerous read and write cycles.
• The device operates over a wide voltage range, enhancing its versatility in different systems.

Package

The 93AA66/SN is available in a surface-mount 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

This EEPROM IC provides a reliable and efficient solution for storing critical data in electronic systems.

Packaging/Quantity

It is typically supplied in tape and reel packaging, with quantities varying based on customer requirements.

Specifications

• Memory Capacity: 4 Kbits
• Interface: Serial (Microwire)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

1. VCC - Power Supply
2. CS - Chip Select
3. DI - Data Input
4. DO - Data Output
5. CLK - Clock Input
6. NC - Not Connected
7. NC - Not Connected
8. VSS - Ground

Functional Features

• Byte and Page Write Modes
• Self-Timed Write Cycle
• Enhanced ESD Protection
• Sequential Read Operation
• Software Write Protection

Advantages and Disadvantages

Advantages

• Low Power Consumption
• Small Form Factor
• High Reliability
• Wide Operating Voltage Range

Disadvantages

• Limited Storage Capacity
• Slower Write Speed Compared to Some Alternatives

Working Principles

The 93AA66/SN utilizes an array of floating gate transistors to store data. When writing data, charge is injected into the floating gate, altering its electrical characteristics. Reading data involves sensing the charge state of the floating gate transistors.

Detailed Application Field Plans

The 93AA66/SN is widely used in: - Automotive Systems: for storing vehicle configuration data and fault codes. - Industrial Control Systems: for parameter storage and calibration data. - Consumer Electronics: in products like smart meters and IoT devices for data logging.

Detailed and Complete Alternative Models

Some alternative EEPROM ICs to consider are: - AT24C04: Similar capacity and interface, but with I2C communication protocol. - CAT24C04: Offers higher endurance and wider temperature range.

In conclusion, the 93AA66/SN is a versatile EEPROM IC that provides reliable non-volatile data storage for a wide range of electronic applications.

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