Encyclopedia Entry: 93C76B-E/ST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: Small form factor, low power consumption, high data retention, and endurance
• Package: SOIC-8 (Small Outline Integrated Circuit), Tape & Reel packaging
• Essence: Stores digital information even when power is removed
• Packaging/Quantity: Sold in reels of 2500 units

Specifications

• Memory Size: 8 kilobits (1 kilobyte)
• Organization: 1024 x 8 bits
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 93C76B-E/ST IC has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | CS | Chip Select | | 2 | SK | Serial Clock | | 3 | DI | Data Input | | 4 | DO | Data Output | | 5 | VSS | Ground | | 6 | NC | No Connection | | 7 | NC | No Connection | | 8 | VCC | Supply Voltage |

Functional Features

• Serial communication interface for easy integration with microcontrollers
• Byte-wise or page-wise read and write operations
• Self-timed programming cycle for simplified operation
• Software and hardware write protection options
• High-speed clock frequency support for fast data transfer

Advantages and Disadvantages

Advantages: - Compact size allows for space-efficient designs - Low power consumption extends battery life in portable devices - High data retention ensures long-term storage reliability - Wide operating temperature range enables usage in various environments

Disadvantages: - Limited memory capacity compared to other EEPROM variants - Serial interface may result in slower data transfer rates compared to parallel interfaces

Working Principles

The 93C76B-E/ST is based on EEPROM technology, which utilizes floating-gate transistors to store digital information. It employs a serial communication interface to interact with external devices such as microcontrollers. The IC operates by sending commands and data through the serial clock (SK), chip select (CS), data input (DI), and data output (DO) pins. These signals control the read and write operations, allowing the user to access or modify stored data.

Detailed Application Field Plans

The 93C76B-E/ST IC finds applications in various fields, including: 1. Automotive electronics: Used for storing critical vehicle parameters and configuration data. 2. Consumer electronics: Employed in devices like smart TVs, set-top boxes, and gaming consoles for firmware storage. 3. Industrial automation: Utilized in programmable logic controllers (PLCs) for storing program code and system configuration. 4. Medical devices: Integrated into medical equipment for storing patient data and device settings. 5. IoT devices: Incorporated in connected devices like smart meters, sensors, and home automation systems for data storage.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 93C76B-E/ST include: - 93C66B-E/ST: 4 kilobits (512 bytes) memory size, compatible pin configuration. - 93C86B-E/ST: 16 kilobits (2 kilobytes) memory size, compatible pin configuration. - 25AA080C-I/SN: 8 kilobits (1 kilobyte) memory size, SPI interface, different pin configuration.

(Note: The above alternative models are just examples and not an exhaustive list.)

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