Encyclopedia Entry: 93C76C-E/SN

Product Information 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 (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

The 93C76C-E/SN is a specific variant of the 93C76C series EEPROM ICs. It offers the following specifications:

• Memory Size: 8 kilobits (1 kilobyte)
• Organization: 512 x 16 bits
• Supply 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 93C76C-E/SN IC has an 8-pin configuration with the following pin assignments:

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

Functional Features

• Serial Interface: Supports a three-wire SPI (Serial Peripheral Interface) for communication.
• Sequential Read: Allows sequential read operations without the need for readdressing.
• Software Protection: Provides write protection by disabling the write operation through the /W pin.
• Self-Timed Programming: Automatically manages internal timing during write and erase operations.
• Partial Page Programming: Enables programming of a portion of the memory without affecting the rest.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it suitable for portable devices. - High data retention and endurance ensure reliable long-term storage. - Easy integration into existing circuit designs due to standard SPI interface.

Disadvantages: - Limited memory capacity compared to other EEPROM variants. - Slower write and erase times compared to volatile memory technologies.

Working Principles

The 93C76C-E/SN operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It utilizes a floating gate transistor structure to store and retrieve digital information. The IC employs a serial interface to communicate with the host device, allowing for efficient data transfer and manipulation.

Detailed Application Field Plans

The 93C76C-E/SN finds applications in various electronic devices that require non-volatile data storage. Some common application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio systems for storing configuration settings and user preferences.
2. Automotive: Employed in automotive electronics for storing critical data such as mileage, calibration values, and security codes.
3. Industrial Control Systems: Utilized in industrial automation equipment for storing parameter settings, calibration data, and event logs.
4. Medical Devices: Integrated into medical instruments and devices for storing patient data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. 93C46C-E/SN: 1 kilobit (128 x 8 bits) EEPROM IC.
2. 93C86C-E/SN: 16 kilobits (2 kilobytes) EEPROM IC.
3. 93C66C-E/SN: 4 kilobits (512 x 8 bits) EEPROM IC.

These alternative models offer different memory capacities to suit specific application requirements.

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