AT93C56-10SC

Product Overview

Category

AT93C56-10SC 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 AT93C56-10SC 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 SC package, allowing for space-efficient integration into electronic devices.
• High endurance: It has a high number of write/erase cycles, ensuring long-term reliability.

Package and Quantity

The AT93C56-10SC is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Memory capacity: 2 kilobits (256 x 8 bits)
• Operating voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write time: 5ms (maximum)
• Data retention: 100 years (minimum)

Pin Configuration

The AT93C56-10SC chip has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables or disables the chip for communication.
2. Serial Clock (CLK): Provides the timing for data transfer.
3. Serial Data Input (DI): Receives data from the external device.
4. Serial Data Output (DO): Transmits data to the external device.
5. Write Enable (/W): Controls the write operation.
6. VCC: Power supply input.
7. Ground (GND): Common ground reference.
8. NC: No connection.

Functional Features

• Sequential read and write operations: The chip allows for sequential access to memory locations, facilitating efficient data handling.
• Hardware and software protection: It provides mechanisms to protect stored data from accidental modification or unauthorized access.
• Low power consumption: The AT93C56-10SC is designed to minimize power usage, making it suitable for battery-powered devices.
• High-speed operation: With a fast write time and high clock frequency support, it ensures quick data transfer.

Advantages and Disadvantages

Advantages

• Compact size enables integration into space-constrained designs.
• Electrically erasable nature allows for easy reprogramming.
• High endurance ensures long-term reliability.
• Sequential access enhances data handling efficiency.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write time compared to some alternatives.
• Vulnerable to electromagnetic interference due to its small package size.

Working Principles

The AT93C56-10SC utilizes a floating gate transistor structure to store data. When programming, an electric charge is trapped in the floating gate, altering the transistor's behavior. This change can be detected during read operations, allowing the retrieval of stored information. Erasing the chip involves removing the trapped charge, resetting the transistor to its initial state.

Application Field Plans

The AT93C56-10SC finds applications in various fields, including: 1. Automotive electronics: Used for storing critical vehicle data, such as mileage and diagnostic information. 2. Industrial control systems: Employed for configuration storage and parameter settings in automation equipment. 3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for firmware storage and customization.

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable options include: - AT93C66-10SC: A higher capacity variant with 4 kilobits of memory. - AT24C02C-SSHM-T: An alternative from a different manufacturer, offering 2 kilobits of storage in a different package.

In conclusion, the AT93C56-10SC is a compact and versatile EEPROM chip suitable for various electronic applications. Its electrically erasable nature, high endurance, and sequential access capabilities make it an attractive choice for non-volatile data storage. However, its limited capacity and susceptibility to electromagnetic interference should be considered when selecting this chip for specific projects.