Encyclopedia Entry: 93C56BT-I/MC

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: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Stores digital information even when power is removed
• Packaging/Quantity: Available in reels of 2500 units

Specifications

The 93C56BT-I/MC is a specific variant of the 93C56 series EEPROM ICs. It offers the following specifications:

• Memory Size: 2 kilobits (256 x 8 bits)
• Operating 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 93C56BT-I/MC features an 8-pin SOIC package with the following pin configuration:

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

Functional Features

• Serial Interface: Supports a simple three-wire serial communication protocol for read, write, and erase operations.
• Byte-Level Operations: Allows individual byte-level read and write operations, enabling efficient memory management.
• Software Protection: Provides software protection by allowing write enable/disable commands to prevent accidental modifications.
• Self-Timed Programming: Incorporates self-timed programming algorithms, eliminating the need for external timing control.
• Sequential Read: Supports sequential read operations, allowing efficient retrieval of consecutive memory locations.

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. - Simple serial interface enables easy integration into various electronic systems. - Self-timed programming simplifies the design and reduces external component requirements.

Disadvantages: - Limited memory capacity compared to other EEPROM variants. - Slower write time compared to some newer non-volatile memory technologies. - Vulnerable to electromagnetic interference due to its small form factor.

Working Principles

The 93C56BT-I/MC utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores digital information in a non-volatile manner, meaning the data remains intact even when power is removed. The IC employs a floating gate transistor structure that allows for electrical modification of stored data.

During write operations, an electric charge is applied to the floating gate, altering its threshold voltage and thereby storing the desired data. Reading the stored data involves sensing the voltage level on the floating gate and converting it back to digital information.

Detailed Application Field Plans

The 93C56BT-I/MC finds applications in various electronic systems, including but not limited to:

1. Automotive Electronics: Used for storing critical configuration data, such as vehicle identification numbers (VINs), mileage, and calibration settings.
2. Consumer Electronics: Employed in devices like set-top boxes, smart TVs, and gaming consoles for storing user preferences, firmware updates, and encryption keys.
3. Industrial Control Systems: Utilized in industrial automation equipment for storing calibration data, device configurations, and production parameters.
4. Medical Devices: Integrated into medical instruments and devices to store patient data, device settings, and firmware updates.
5. Smart Grid Systems: Used in smart meters and energy management systems for storing consumption data, billing information, and load profiles.

Detailed and Complete Alternative Models

• 93C46BT-I/MC: 1 kilobit (128 x 8 bits) EEPROM IC with similar specifications and features.
• 93C66BT-I/MC: 4 kilobits (512 x 8 bits) EEPROM IC with higher memory capacity but similar characteristics.
• 93C86BT-I/MC: 16 kilobits (2048 x 8 bits) EEPROM IC with increased memory size while maintaining compatibility.

(Note: The above alternative models are part of the same 93C56 series and share many similarities with the 93C56BT-I/MC.)

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