Encyclopedia Entry: 93LC86BT-E/SN

Product Overview

Category

The 93LC86BT-E/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 93LC86BT-E/SN can be erased and reprogrammed electronically, eliminating the need for physical erasure.
• 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).
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The 93LC86BT-E/SN is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this chip lies in its ability to store and retrieve data reliably, while offering flexibility for reprogramming.

Packaging/Quantity

These chips are typically sold in reels or tubes, with each reel containing a specific quantity, usually ranging from 100 to 1000 units.

Specifications

• Memory Capacity: 8 kilobits (1 kilobyte)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 93LC86BT-E/SN chip has a total of 8 pins, which are assigned specific functions:

1. Chip Select (/CS): Enables or disables the chip for communication.
2. Serial Clock (CLK): Provides timing for data transfer.
3. Serial Data Input (DI): Receives data for programming or reading.
4. Serial Data Output (DO): Outputs data during read operations.
5. Write Enable (/WE): Controls write operations.
6. VCC: Power supply voltage input.
7. VSS: Ground connection.
8. HOLD: Allows external devices to pause serial communication.

Functional Features

• Sequential Read: The chip allows sequential reading of data, enabling efficient retrieval of stored information.
• Hardware Protection: It provides a write protection mechanism to prevent accidental modification of stored data.
• Fast Write Time: The 93LC86BT-E/SN offers fast write times, reducing programming delays.
• High Reliability: This chip ensures reliable data storage and retrieval, even in harsh operating conditions.

Advantages and Disadvantages

Advantages

• Electrically erasable and reprogrammable.
• Non-volatile data storage.
• Compact package size.
• Low power consumption.
• High data retention.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to some alternatives.

Working Principles

The 93LC86BT-E/SN utilizes a combination of electronic circuits and memory cells to store and retrieve data. It employs a serial communication protocol to transfer data between the chip and the host device. When writing data, the chip applies an electric charge to specific memory cells, altering their state. During read operations, the chip reads the stored charge levels and converts them back into digital data.

Detailed Application Field Plans

The 93LC86BT-E/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 configuration and boot-up routines.
3. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and audio systems for data storage purposes.

Detailed and Complete Alternative Models

1. 93LC66B-I/SN: Similar to the 93LC86BT-E/SN but with a smaller memory capacity of 4 kilobits.
2. 93LC256C-I/P: Offers a larger memory capacity of 32 kilobits, suitable for applications requiring more storage space.
3. 25AA080D-I/MS: An alternative chip with similar characteristics but utilizing a different communication protocol (SPI).

In conclusion, the 93LC86BT-E/SN is an electrically erasable programmable read-only memory (EEPROM) chip that provides reliable non-volatile data storage. With its compact size, low power consumption, and high data retention, it finds applications in various electronic devices. While it may have limitations in terms of storage capacity and write speeds, alternative models are available to suit specific requirements.