AT93C57W-10SI-2.5

Overview

Product Category

AT93C57W-10SI-2.5 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• Small form factor: The chip is compact and lightweight, making it suitable for integration into space-constrained devices.
• Low power consumption: It operates on low power, ensuring energy efficiency.
• High reliability: The EEPROM chip offers robust performance and long-term data retention.

Package and Quantity

The AT93C57W-10SI-2.5 is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Memory capacity: 2,048 bits (256 bytes)
• Operating voltage: 2.5V
• Maximum clock frequency: 10 MHz
• Write cycle time: 5 ms (typical)
• Data retention: 100 years (minimum)

Pin Configuration

The AT93C57W-10SI-2.5 features an 8-pin SOIC package with the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (DI)
4. Serial Data Output (DO)
5. Write Enable (/WE)
6. VCC (Power Supply)
7. Ground (GND)
8. Not Connected (NC)

Functional Features

• Sequential Read: Allows sequential reading of multiple memory locations.
• Byte Write: Enables individual byte-level data writing.
• Chip Erase: Supports erasing the entire memory content.
• Software Protection: Provides software-controlled write protection for specific memory areas.

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High reliability ensures data integrity in various operating conditions.
• Easy integration into existing electronic systems due to standard pin configuration.
• Versatile functionality allows for flexible data storage and retrieval.

Disadvantages

• Limited memory capacity compared to other EEPROM variants.
• Relatively slower write cycle time may impact performance in certain applications.
• Higher cost per bit compared to other non-volatile memory options.

Working Principles

The AT93C57W-10SI-2.5 utilizes a combination of floating gate transistors and electrically controlled gates to store and retrieve data. The stored charge on the floating gate determines the logic state of each memory cell, allowing for non-volatile data storage.

Application Field Plans

The AT93C57W-10SI-2.5 finds application in various fields, including: 1. Automotive electronics: Used for storing critical vehicle data, such as mileage and diagnostic information. 2. Industrial automation: Employed in programmable logic controllers (PLCs) for data logging and configuration storage. 3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for firmware storage and customization.

Alternative Models

For those seeking alternative options, the following EEPROM chips can be considered: 1. AT24C256 - Offers higher memory capacity (32,768 bytes) with similar characteristics. 2. CAT24C02 - Provides lower memory capacity (256 bytes) but at a lower cost.

In conclusion, the AT93C57W-10SI-2.5 is a compact and reliable EEPROM chip used for non-volatile data storage in various electronic devices. Its small form factor, low power consumption, and versatile functionality make it suitable for a wide range of applications. However, its limited memory capacity and relatively slower write cycle time should be considered when selecting the appropriate EEPROM chip for specific requirements.

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