Encyclopedia Entry: 93C56C-I/SN

Product Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)

Characteristics: - Low-power consumption - High-speed operation - Small form factor - Reliable data retention - Easy to interface with microcontrollers

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 93C56C-I/SN is a small-sized EEPROM IC that provides non-volatile memory storage for electronic devices.

Packaging/Quantity: The 93C56C-I/SN is typically sold in reels, with each reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

The specifications of the 93C56C-I/SN include:

• Memory Size: 2 kilobits (256 x 8 bits)
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 3 ms (typical)
• Data Retention: 200 years (minimum)

Detailed Pin Configuration

The 93C56C-I/SN has an 8-pin configuration, as follows:

1. Chip Select (/CS): Enables or disables the IC for communication.
2. Serial Clock (CLK): Provides the clock signal for data transfer.
3. Serial Data Input (DI): Receives data from the microcontroller for writing into the memory.
4. Serial Data Output (DO): Outputs data from the memory during read operations.
5. Write Protect (/WP): Allows write protection for the memory.
6. VCC: Power supply voltage input.
7. Ground (GND): Ground reference for the IC.
8. Serial Data Out (SO): Outputs data from the memory during read operations.

Functional Features

The 93C56C-I/SN offers the following functional features:

• Byte-level random access for reading and writing data.
• Self-timed write cycle with automatic erase before write.
• Software and hardware write protection options.
• High-speed clock frequency support for fast data transfer.
• Low-power consumption in both active and standby modes.

Advantages and Disadvantages

Advantages: - Compact size allows integration into space-constrained electronic devices. - Reliable data retention ensures long-term storage of critical information. - Easy interfacing with microcontrollers simplifies integration into existing systems. - Low power consumption extends battery life in portable applications.

Disadvantages: - Limited memory capacity may not be suitable for applications requiring larger storage. - Write time of 3 ms may be slower compared to other EEPROM ICs. - Operating temperature range of -40°C to +85°C may not be suitable for extreme environments.

Working Principles

The 93C56C-I/SN utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores data using a grid of floating-gate transistors, which can be electrically programmed and erased. The IC communicates with a microcontroller through a serial interface, allowing for easy reading and writing of data.

During a write operation, the IC erases the targeted memory location and then writes the new data. The self-timed write cycle ensures proper timing for reliable programming. The write protect feature allows users to prevent accidental modification of stored data.

Detailed Application Field Plans

The 93C56C-I/SN is commonly used in various electronic devices and systems, including but not limited to: - Automotive electronics - Consumer electronics - Industrial control systems - Medical devices - Communication equipment

Its small form factor, low power consumption, and reliable data retention make it suitable for applications where non-volatile memory storage is required.

Detailed and Complete Alternative Models

Some alternative models to the 93C56C-I/SN include: - 93C46C-I/SN: 1 kilobit EEPROM IC with similar features but lower memory capacity. - 93C66C-I/SN: 4 kilobit EEPROM IC with higher memory capacity but similar characteristics. - 93C86C-I/SN: 16 kilobit EEPROM IC with larger memory capacity for more demanding applications.

These alternative models offer different memory capacities to cater to various application requirements.

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