93LC66AT-I/OT

Product Overview

Category

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

Use

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

Characteristics

• Non-volatile memory
• Low power consumption
• Small form factor
• High reliability
• Wide operating voltage range

Package

The 93LC66AT-I/OT is typically available in a surface-mount package, offering ease of integration into printed circuit boards.

Essence

This EEPROM IC serves as a reliable and efficient means of storing critical data in electronic systems.

Packaging/Quantity

It is often supplied in tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Memory Size: 4 Kbits
• Interface: Serial (Microwire)
• Operating Voltage: 2.5V - 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/OT features a standard 8-pin configuration, including power supply, ground, data input/output, and control pins. The pinout is as follows: 1. VCC (Power Supply) 2. CS (Chip Select) 3. DI (Data Input) 4. DO (Data Output) 5. CLK (Clock) 6. NC (Not Connected) 7. VSS (Ground) 8. NC (Not Connected)

Functional Features

• Byte and Page Write Modes
• Self-timed Write Cycle
• Sequential Read Operation
• Write Protect Feature
• Software Write Protection

Advantages

• Compact form factor
• Low power consumption
• High reliability and endurance
• Flexible interface options
• Long-term data retention

Disadvantages

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

Working Principles

The 93LC66AT-I/OT operates by utilizing an array of floating gate transistors to store data. When data is written, the charge on the floating gates is altered, allowing for non-volatile storage. Reading the stored data involves sensing the charge state of the floating gates.

Detailed Application Field Plans

The 93LC66AT-I/OT finds extensive use in applications such as: - Microcontroller-based systems - Automotive electronics (e.g., engine control units) - Industrial automation - Smart meters - Consumer electronics (e.g., smart appliances)

Detailed and Complete Alternative Models

Some alternative models to the 93LC66AT-I/OT include: - 24LC64 from Microchip Technology - AT24C04 from Atmel Corporation - M24C04 from STMicroelectronics

In conclusion, the 93LC66AT-I/OT offers a reliable and efficient solution for non-volatile data storage in various electronic applications, despite its limitations in capacity and write speed. Its compact size, low power consumption, and wide operating voltage range make it a versatile choice for designers seeking dependable EEPROM functionality.

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