Encyclopedia Entry: 93LC76A-I/SN

Product Overview

Category

The 93LC76A-I/SN 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 93LC76A-I/SN can be erased and reprogrammed electronically, allowing for flexibility in data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: This chip has a storage capacity of 8 kilobits (1 kilobyte).
• Serial communication: It utilizes a serial interface for data transfer.

Package

The 93LC76A-I/SN is available in an industry-standard 8-pin small outline integrated circuit (SOIC) package.

Essence

The essence of this chip lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

The 93LC76A-I/SN is typically packaged in reels or tubes, with each reel containing 2,500 units.

Specifications

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

Detailed Pin Configuration

The 93LC76A-I/SN features the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (CLK)
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 and write operations: The chip supports sequential reading and writing of data.
• Hardware and software protection: It offers various protection mechanisms to prevent unauthorized access or accidental modification of stored data.
• Self-timed programming cycle: The chip automatically manages the timing of programming operations, simplifying the integration process.

Advantages and Disadvantages

Advantages

• Compact form factor
• High storage capacity
• Non-volatile data retention
• Flexible and easy reprogramming
• Serial interface for simplified communication

Disadvantages

• Relatively limited memory capacity compared to other EEPROM chips
• Higher cost per kilobyte compared to larger capacity alternatives

Working Principles

The 93LC76A-I/SN utilizes a combination of electronic circuits and memory cells to store and retrieve data. It employs a series of transistors and capacitors to represent binary information in the form of electrical charges. These charges can be selectively modified through electronic programming signals, allowing for data storage and retrieval.

Detailed Application Field Plans

The 93LC76A-I/SN finds applications in various fields, including:

1. Microcontrollers: Used for storing firmware, configuration settings, and calibration data.
2. Computers: Employed in BIOS chips for storing system parameters and boot code.
3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and digital cameras for data storage purposes.

Detailed and Complete Alternative Models

1. 93LC66A-I/SN: Similar to the 93LC76A-I/SN but with a smaller memory capacity of 4 kilobits.
2. 93LC86A-I/SN: Offers a higher memory capacity of 16 kilobits, suitable for applications requiring more storage space.
3. 93LC1024-I/SN: Provides a significantly larger memory capacity of 128 kilobits, suitable for more data-intensive applications.

In conclusion, the 93LC76A-I/SN is an electrically erasable programmable read-only memory chip that offers reliable and non-volatile data storage in a compact form factor. With its high storage capacity and flexible programming capabilities, it finds applications in various electronic devices across different industries.