AT93C66-10SI

Product Overview

Category

AT93C66-10SI belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Electrically erasable: The AT93C66-10SI can be erased and reprogrammed electronically, making it convenient for data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• Small package size: The chip comes in a compact SOIC-8 package, allowing for space-efficient integration into electronic circuits.
• High endurance: It supports a high number of erase/write cycles, ensuring long-term reliability.
• Low power consumption: The AT93C66-10SI operates on low power, making it suitable for battery-powered devices.

Package and Quantity

The AT93C66-10SI is available in a standard Small Outline Integrated Circuit (SOIC) package. Each package contains one chip.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Operating voltage: 2.5V - 5.5V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 200 years
• Write cycle endurance: 1 million cycles

Pin Configuration

The AT93C66-10SI has eight pins arranged as follows:

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Pin Description: 1. Chip Select (/CS): Enables or disables the chip for communication. 2. Serial Clock (SCK): Provides the clock signal for data transfer. 3. Serial Data Input (SI): Receives data to be written into the memory. 4. Serial Data Output (SO): Outputs data read from the memory. 5. Write Protect (/WP): Allows write protection for the memory. 6. VCC: Power supply voltage. 7. Ground (GND): Common ground reference. 8. Not Connected (NC): Unused pin.

Functional Features

• Sequential Read and Write: The AT93C66-10SI supports sequential read and write operations, allowing efficient data access.
• Self-timed Programming Cycle: The chip automatically manages the programming cycle, simplifying the integration process.
• Software and Hardware Protection: Write protection mechanisms ensure data integrity by preventing accidental modifications.
• High-Speed Performance: The chip offers fast read and write operations, enhancing overall system performance.

Advantages and Disadvantages

Advantages

• Compact size enables easy integration into various electronic devices.
• Electrically erasable and reprogrammable nature provides flexibility in data storage.
• High endurance ensures long-term reliability.
• Low power consumption makes it suitable for battery-powered applications.
• Sequential read and write operations enhance data access efficiency.

Disadvantages

• Limited memory capacity compared to other EEPROM chips.
• Relatively higher cost per kilobit of memory compared to larger capacity alternatives.

Working Principles

The AT93C66-10SI utilizes a floating gate transistor structure to store data. When data is written, an electric charge is trapped in the floating gate, altering the transistor's behavior. This change can be detected during read operations, allowing the stored data to be retrieved.

Detailed Application Field Plans

The AT93C66-10SI finds applications in various fields, including: 1. Automotive electronics: Used for storing critical vehicle data, such as mileage and configuration settings. 2. Industrial control systems: Enables non-volatile storage of calibration data and system parameters. 3. Consumer electronics: Used in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and settings. 4. Medical devices: Enables secure storage of patient data and device configurations.

Alternative Models

1. AT93C46-10SI: Similar to the AT93C66-10SI but with a smaller memory capacity of 2 kilobits.
2. AT93C86-10SI: Offers a larger memory capacity of 16 kilobits compared to the AT93C66-10SI.

These alternative models provide options with varying memory capacities to suit different application requirements.

In conclusion, the AT93C66-10SI is a compact and versatile EEPROM chip that offers electrically erasable and reprogrammable non-volatile storage. Its high endurance, low power consumption, and sequential read/write capabilities make it suitable for a wide range of electronic applications.