AT93C66-10PI-1.8

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM (Electrically Erasable Programmable Read-Only Memory)

Characteristics: - Low-power CMOS technology - 8-bit organization - 4K (4096) bits of memory - 128 x 32 or 256 x 16 organization - Single supply voltage range: 1.8V to 5.5V - High-speed clock frequency: 10 MHz - 3-wire serial interface - Self-timed programming cycle - Write control for hardware and software data protection - Endurance: 1 million write cycles - Data retention: 100 years

Package: DIP (Dual Inline Package)

Essence: The AT93C66-10PI-1.8 is a non-volatile serial EEPROM IC that provides reliable, low-power data storage in various electronic devices.

Packaging/Quantity: The AT93C66-10PI-1.8 is typically sold in tubes or reels, with quantities varying depending on the manufacturer and distributor.

Specifications

• Memory Size: 4K bits
• Organization: 128 x 32 or 256 x 16
• Supply Voltage Range: 1.8V to 5.5V
• Clock Frequency: 10 MHz
• Interface: 3-wire serial
• Programming Cycle Time: Self-timed
• Write Control: Hardware and software data protection
• Endurance: 1 million write cycles
• Data Retention: 100 years

Detailed Pin Configuration

The AT93C66-10PI-1.8 has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with the IC when pulled low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data serially into the IC.
4. Serial Data Output (SO): Outputs data serially from the IC.
5. Write Enable (/W): Controls the write operation when pulled low.
6. VCC: Supply voltage input (1.8V to 5.5V).
7. Ground (GND): Common ground reference.
8. NC: No connection.

Functional Features

• Non-volatile memory: Retains data even when power is removed.
• Low-power consumption: Suitable for battery-powered devices.
• Self-timed programming cycle: Simplifies the write operation.
• Hardware and software data protection: Ensures data integrity and security.
• Wide supply voltage range: Allows compatibility with various systems.
• High-speed clock frequency: Enables fast data transfer.

Advantages and Disadvantages

Advantages: - Reliable non-volatile storage - Low-power consumption - Easy integration into electronic systems - High endurance and data retention - Flexible supply voltage range

Disadvantages: - Limited memory size (4K bits) - Slower write speed compared to some other EEPROMs - Requires external components for communication

Working Principles

The AT93C66-10PI-1.8 operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It utilizes a combination of floating gate transistors and charge storage to store and retrieve data. The data can be written or erased electrically, making it non-volatile and capable of retaining information even without power.

The IC communicates through a 3-wire serial interface, allowing for easy integration into various electronic systems. It supports both hardware and software data protection mechanisms to prevent accidental writes or unauthorized access.

Detailed Application Field Plans

The AT93C66-10PI-1.8 is widely used in various electronic devices and systems, including but not limited to:

1. Consumer Electronics: Used for storing configuration data, calibration values, or user settings in devices such as TVs, set-top boxes, and audio equipment.
2. Automotive: Employed in automotive electronics for storing critical information like mileage, vehicle identification numbers (VIN), or security-related data.
3. Industrial Control Systems: Utilized in industrial automation and control systems for storing parameters, device configurations, or firmware updates.
4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, or calibration information.
5. IoT (Internet of Things): Incorporated into IoT devices for storing sensor data, network credentials, or firmware updates.

Detailed and Complete Alternative Models

1. AT93C46-10PI-1.8: Similar to the AT93C66-10PI-1.8 but with a smaller memory size of 2K bits.
2. AT93C86A-10PI-1.8: Offers a larger memory size of