AT93C66W-10SI

Product Overview

Category

AT93C66W-10SI belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The AT93C66W-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.
• High density: This chip offers a high storage capacity, allowing for the storage of large amounts of data.
• Low power consumption: The AT93C66W-10SI operates efficiently, consuming minimal power during read and write operations.

Package

The AT93C66W-10SI comes in a small outline integrated circuit (SOIC) package. This package type provides a compact form factor, making it suitable for space-constrained applications.

Essence

The essence of the AT93C66W-10SI lies in its ability to store and retrieve data reliably, while offering flexibility for reprogramming as needed.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of AT93C66W-10SI chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory size: 4 kilobits (512 x 8 bits)
• Operating voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million cycles
• Data retention: 100 years

Detailed Pin Configuration

The AT93C66W-10SI has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): This pin is used to enable or disable the chip for communication.
2. Serial Clock (SCK): The SCK pin provides the clock signal for synchronous data transfer.
3. Serial Data Input (SI): Data is input to the chip through this pin during write operations.
4. Serial Data Output (SO): The SO pin outputs data from the chip during read operations.
5. Write Enable (/W): This pin enables or disables write operations.
6. VCC: The power supply voltage pin.
7. Ground (GND): The ground reference pin.
8. NC: No connection pin.

Functional Features

• Sequential read and write operations: The AT93C66W-10SI allows for sequential access to memory locations, enabling efficient data retrieval and storage.
• Hardware and software protection: This chip offers various protection mechanisms to prevent unauthorized access or accidental modification of stored data.
• Fast operation: The AT93C66W-10SI supports high-speed data transfer, reducing latency in data-intensive applications.
• Low standby current: When not actively performing read or write operations, this chip consumes minimal power, contributing to energy efficiency.

Advantages and Disadvantages

Advantages

• High storage capacity
• Electrically erasable and reprogrammable
• Compact form factor
• Low power consumption
• Reliable data retention

Disadvantages

• Limited write endurance (1 million cycles)
• Requires external components for proper operation
• Relatively higher cost compared to other non-volatile memory options

Working Principles

The AT93C66W-10SI utilizes a combination of electronic circuits and memory cells to store and retrieve data. It employs a serial communication protocol, where data is transferred bit by bit using the provided clock signal. The chip's internal circuitry manages the reading and writing of data to the memory cells, ensuring accurate and reliable operation.

Detailed Application Field Plans

The AT93C66W-10SI finds applications in various fields, including but not limited to:

1. Automotive electronics: Used for storing vehicle configuration data, mileage information, and other critical parameters.
2. Industrial automation: Employed in programmable logic controllers (PLCs) for storing program code and system configuration data.
3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for firmware storage and data logging purposes.
4. Medical devices: Utilized for storing patient data, device settings, and calibration information in medical equipment.
5. Internet of Things (IoT): Incorporated into IoT devices for data logging, sensor calibration, and firmware updates.

Detailed and Complete Alternative Models

1. AT93C46W-10SI: Similar to the AT93C66W-10SI, but with a smaller memory size of 2 kilobits.
2. AT93C86W-10SI: Offers a larger memory size of 16 kilobits, suitable for applications requiring more storage capacity.