Encyclopedia Entry: 93LC76BT-E/ST

Product Overview

Category

The 93LC76BT-E/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The 93LC76BT-E/ST allows for easy erasure and reprogramming of data without requiring physical removal.
• Non-volatile: The stored data remains intact even when power is disconnected.
• High density: This chip offers a large storage capacity for its compact size.
• Low power consumption: It operates efficiently, minimizing energy usage.
• Fast access time: The 93LC76BT-E/ST provides quick retrieval of stored information.

Package and Quantity

The 93LC76BT-E/ST is available in a small surface-mount package. Each package contains one chip.

Specifications

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

Pin Configuration

The 93LC76BT-E/ST has a total of 8 pins, each serving a specific function. The pin configuration is as follows:

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

Functional Features

• Sequential read and write operations: The chip supports sequential access to read or write data.
• Hardware and software protection: It offers various protection mechanisms to prevent unauthorized access or accidental modification of stored data.
• Built-in error detection and correction: The 93LC76BT-E/ST includes error detection and correction circuitry to ensure data integrity.

Advantages

• Compact size: The small form factor of the chip allows for space-efficient integration into electronic devices.
• Easy reprogramming: The electrically erasable nature of the chip simplifies the process of modifying stored data.
• High reliability: With a long data retention period and high write endurance, the 93LC76BT-E/ST ensures reliable performance over an extended lifespan.

Disadvantages

• Limited storage capacity: While suitable for many applications, the 93LC76BT-E/ST may not provide sufficient memory for more demanding tasks.
• Relatively slower access speed: Compared to other types of memory, the access time of EEPROM chips can be slower.

Working Principles

The 93LC76BT-E/ST utilizes a combination of electronic circuits and semiconductor technology to store and retrieve data. It employs a floating-gate transistor structure that allows for electrical erasure and programming of individual memory cells.

Application Field Plans

The 93LC76BT-E/ST finds application in various fields, including: 1. Embedded systems: Used for storing configuration settings, calibration data, and firmware updates in microcontrollers. 2. Automotive electronics: Employed in vehicle control units for storing critical information like mileage, fault codes, and user preferences. 3. Industrial automation: Utilized in programmable logic controllers (PLCs) to store program instructions and data logs. 4. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and digital cameras for storing user settings and media files.

Alternative Models

For those seeking alternatives to the 93LC76BT-E/ST, the following EEPROM chips can be considered: 1. 24LC256: Offers a larger memory capacity of 32 kilobits (4 kilobytes). 2. AT24C02: Provides a lower-cost option with a smaller memory capacity of 2 kilobits (256 bytes). 3. CAT24C16: Features an extended operating temperature range of -40°C to +125°C.

In conclusion, the 93LC76BT-E/ST is a compact and versatile EEPROM chip that offers reliable non-volatile data storage for a wide range of electronic devices. Its electrically erasable nature, high reliability, and various functional features make it a popular choice in many applications.

Word count: 533