93LC66AT-I/ST

Product Overview

Category

The 93LC66AT-I/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

It is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers and other embedded systems.

Characteristics

• Non-volatile memory
• Small form factor
• Low power consumption
• High reliability

Package

The 93LC66AT-I/ST is available in a surface-mount package, making it suitable for automated assembly processes.

Essence

This EEPROM chip 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 varying quantities depending on the supplier.

Specifications

• Memory Size: 4 Kbits
• Interface: Serial I2C
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Write Cycle Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 93LC66AT-I/ST features a standard 8-pin configuration: 1. VCC 2. SDA (Serial Data) 3. SCL (Serial Clock) 4. A0 (Address Input) 5. A1 (Address Input) 6. WP (Write Protect) 7. VSS (Ground) 8. VSS (Ground)

Functional Features

• Byte and Page Write Modes
• Self-timed Write Cycle
• Sequential Read Operation
• Partial Page Writes Allowed

Advantages

• Low power consumption
• Compact form factor
• High data retention
• Compatibility with various microcontrollers

Disadvantages

• Limited storage capacity compared to other memory technologies
• Slower write speeds compared to volatile memory

Working Principles

The 93LC66AT-I/ST utilizes an I2C interface to communicate with the host microcontroller. It employs a floating gate transistor structure to store data, allowing for non-volatile memory storage.

Detailed Application Field Plans

The 93LC66AT-I/ST is widely used in applications requiring small amounts of non-volatile memory, such as: - System configuration storage - Security key storage - Parameter storage in industrial control systems - Firmware storage in consumer electronics

Detailed and Complete Alternative Models

• 24LC64 - 8 Kbit I2C Serial EEPROM
• 25AA040A - 4 Kbit SPI Serial EEPROM
• AT24C02 - 2 Kbit Two-wire Serial EEPROM

In conclusion, the 93LC66AT-I/ST offers a reliable and efficient solution for non-volatile data storage in various electronic applications, despite its limitations in storage capacity and write speed. Its compact form factor and low power consumption make it a popular choice for embedded systems and microcontroller-based designs.

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