Encyclopedia Entry: 93C76B-I/P

Product Overview

Category

The 93C76B-I/P 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 data stored in the 93C76B-I/P remains even when power is removed.
• Electrically erasable: The chip allows for easy modification and erasure of stored data.
• Programmable: Users can write and rewrite data to the chip multiple times.
• High reliability: The 93C76B-I/P offers robust performance and long-term data retention.
• Low power consumption: The chip operates efficiently, minimizing energy usage.

Package and Quantity

The 93C76B-I/P is available in a standard DIP (Dual In-line Package) format. Each package contains one chip.

Specifications

• Memory capacity: 8 kilobits (1 kilobyte)
• Operating voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 200 years
• Write endurance: 1 million cycles

Pin Configuration

The 93C76B-I/P has a total of 8 pins, which are assigned specific functions: 1. Chip Select (/CS) 2. Serial Clock (CLK) 3. Serial Data Input (DI) 4. Serial Data Output (DO) 5. Write Enable (/W) 6. VCC (Power supply) 7. Ground (GND) 8. Not Connected (NC)

Functional Features

• Sequential read and write operations: The chip supports sequential access to memory locations.
• Hardware and software protection: The 93C76B-I/P offers various protection mechanisms to prevent unauthorized access or accidental modification of data.
• Fast write cycle time: The chip allows for quick data storage and retrieval operations.
• Self-timed programming: The programming process is automatically controlled by the chip, eliminating the need for external timing signals.

Advantages

• Compact size and easy integration into electronic circuits.
• High reliability and long data retention period.
• Low power consumption, making it suitable for battery-powered devices.
• Versatile application in a wide range of electronic systems.

Disadvantages

• Limited memory capacity compared to other storage technologies.
• Relatively slower read and write speeds compared to some alternatives.
• Vulnerable to certain types of electrical disturbances, such as electromagnetic interference.

Working Principles

The 93C76B-I/P utilizes an electrically controlled floating gate to store and retrieve data. When writing data, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. During reading, the stored charge is measured, allowing the retrieval of the stored data.

Application Field Plans

The 93C76B-I/P finds applications in various fields, including: 1. Automotive electronics: Used for storing critical vehicle data, such as mileage, settings, and diagnostic information. 2. Industrial control systems: Employed for configuration storage and parameter management in industrial automation equipment. 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. 93C46B-I/P: A lower-capacity version with 1 kilobit (128 bytes) of memory. 2. 93C86B-I/P: A higher-capacity version with 16 kilobits (2 kilobytes) of memory. 3. 24C02: An alternative EEPROM chip from a different manufacturer with similar specifications.

In conclusion, the 93C76B-I/P is an electrically erasable programmable read-only memory chip that offers non-volatile data storage, high reliability, and low power consumption. With its versatile applications and various functional features, it serves as a crucial component in numerous electronic devices across different industries.

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