Encyclopedia Entry: 93C46AT-I/OT

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 integrate into electronic systems

Package: SOT-23-6 package

Essence: The 93C46AT-I/OT is a small-sized EEPROM IC that provides non-volatile memory storage for electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Memory Size: 1K-bit (128 x 8)
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 200 years
• Write/Erase Cycles: 1 million cycles

Detailed Pin Configuration

The 93C46AT-I/OT has a total of 6 pins, which are as follows:

1. Chip Select (/CS): Enables the device when set to a low logic level.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (DI): Receives data during write operations.
4. Serial Data Output (DO): Outputs data during read operations.
5. VCC: Power supply input.
6. Ground (GND): Common ground reference.

Functional Features

• Byte-wise or page-wise read and write operations.
• Self-timed programming cycle.
• Software and hardware write protection options.
• Sequential read mode for faster data retrieval.
• Built-in error detection and correction mechanism.

Advantages and Disadvantages

Advantages: - Compact size allows for easy integration into small electronic devices. - Low power consumption makes it suitable for battery-powered applications. - High-speed operation enables quick data access. - Reliable data retention ensures long-term storage of critical information.

Disadvantages: - Limited memory capacity compared to larger EEPROMs. - Higher cost per bit of storage compared to other memory technologies. - Limited endurance due to the finite number of write/erase cycles.

Working Principles

The 93C46AT-I/OT utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores data in non-volatile memory cells that can be electrically programmed and erased. The IC operates by receiving commands and data through the serial interface, which is controlled by the chip select and clock signals. During write operations, the input data is stored in the memory cells, while read operations retrieve the stored data from the memory cells.

Detailed Application Field Plans

The 93C46AT-I/OT 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 space is limited, power efficiency is crucial, and data integrity is essential.

Detailed and Complete Alternative Models

Some alternative models to the 93C46AT-I/OT include: - 93C66AT-I/OT: 2K-bit EEPROM with similar features and package. - 93C86AT-I/OT: 16K-bit EEPROM with extended memory capacity. - 93LC46AT-I/OT: Compatible 1K-bit EEPROM from a different manufacturer.

These alternative models offer different memory capacities and may have slight variations in specifications, but they serve similar purposes and can be used as substitutes depending on the specific requirements of the application.

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