Encyclopedia Entry: 93C56B-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 - Wide operating voltage range

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 93C56B-I/SN is a small-sized EEPROM IC that provides non-volatile memory storage for electronic devices.

Packaging/Quantity: The 93C56B-I/SN is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

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

Detailed Pin Configuration

The 93C56B-I/SN has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables the device when set to a low logic level.
2. Serial Clock (CLK): Provides the timing for data transfer.
3. Serial Data Input (DI): Receives data during write operations.
4. Serial Data Output (DO): Outputs data during read operations.
5. Write Protect (/WP): Allows or disallows write operations when set to a specific logic level.
6. VCC: Power supply input (+2.5V to +5.5V).
7. Ground (GND): Ground reference.
8. Not Connected (NC): No connection required.

Functional Features

• Byte-wise and page-wise write operations
• Sequential read capability
• Software and hardware write protection options
• Self-timed programming cycle

Advantages and Disadvantages

Advantages: - Compact size allows for integration into small electronic devices. - Low power consumption makes it suitable for battery-powered applications. - High-speed operation enables quick data access. - Wide operating voltage range provides flexibility in various systems.

Disadvantages: - Limited memory capacity (2 kilobits) compared to other EEPROMs. - Relatively slower write time compared to some newer EEPROM technologies.

Working Principles

The 93C56B-I/SN utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores data using a floating-gate transistor structure, which can be electrically programmed and erased. The IC operates by sending serial commands and data through the appropriate pins, allowing for read and write operations.

Detailed Application Field Plans

The 93C56B-I/SN is commonly used in various electronic devices that require non-volatile memory storage, such as: - Consumer electronics (e.g., TVs, set-top boxes) - Automotive electronics (e.g., car audio systems, instrument clusters) - Industrial control systems (e.g., PLCs, motor drives) - Medical devices (e.g., patient monitors, infusion pumps)

Detailed and Complete Alternative Models

Some alternative models to the 93C56B-I/SN include: - 93C46B-I/SN: A lower-capacity version with 1 kilobit of memory. - 93C66B-I/SN: A higher-capacity version with 4 kilobits of memory. - 93C86B-I/SN: A higher-capacity version with 16 kilobits of memory.

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

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