AT93C46A-10SI

Product Overview

Category

AT93C46A-10SI belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, automotive systems, and consumer electronics.

Characteristics

• Electrically erasable: The AT93C46A-10SI can be erased and reprogrammed electronically, making it convenient for data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• Small package size: The chip comes in a compact SOIC-8 package, allowing for space-efficient integration into electronic circuits.
• Low power consumption: The AT93C46A-10SI operates on low power, making it suitable for battery-powered devices.

Package and Quantity

The AT93C46A-10SI is available in an SOIC-8 package. It is typically sold in reels containing a quantity of 2500 units.

Specifications

• Memory capacity: 1 kilobit (128 bytes)
• Operating voltage: 2.5V - 5.5V
• Maximum clock frequency: 2 MHz
• Write cycle time: 5 ms (maximum)
• Data retention: 100 years (minimum)

Pin Configuration

The AT93C46A-10SI has eight pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ │ │ │ └───┴───┘

1. Chip Select (/CS): Enables or disables the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (DI): Receives data to be written into the memory.
4. Serial Data Output (DO): Outputs data read from the memory.
5. Write Enable (/W): Controls the write operation.
6. VCC: Power supply voltage.
7. Ground (GND): Common ground reference.
8. NC: No connection.

Functional Features

• Sequential read and write operations: The AT93C46A-10SI supports sequential access to memory locations, allowing for efficient data retrieval and storage.
• Self-timed programming cycle: The chip automatically manages the timing of write and erase operations, simplifying the interface requirements.
• Software and hardware protection: The AT93C46A-10SI offers various protection mechanisms to prevent unauthorized access or accidental modification of stored data.
• High reliability: With a minimum data retention period of 100 years, this chip ensures long-term data integrity.

Advantages and Disadvantages

Advantages

• Compact size enables integration in space-constrained designs.
• Low power consumption prolongs battery life in portable devices.
• Easy-to-use interface simplifies integration into electronic circuits.
• High reliability ensures data integrity over an extended period.

Disadvantages

• Limited memory capacity may not be suitable for applications requiring large amounts of data storage.
• Relatively low clock frequency may impact data transfer speed in certain scenarios.

Working Principles

The AT93C46A-10SI utilizes electrically erasable programmable read-only memory technology. It stores data in a series of memory cells that can be individually programmed or erased using electrical signals. The chip's internal circuitry manages the read, write, and erase operations, ensuring reliable data storage and retrieval.

Detailed Application Field Plans

The AT93C46A-10SI finds application in various fields, including:

1. Microcontrollers: Used for storing configuration settings, calibration data, and non-volatile program code.
2. Automotive systems: Employed in electronic control units (ECUs) for storing critical data, such as vehicle identification numbers (VINs) and fault codes.
3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and digital cameras to store user preferences, firmware updates, and other essential data.

Detailed and Complete Alternative Models

1. AT93C46A-10SU: Similar to the AT93C46A-10SI, but available in a smaller SOT-23 package.
2. AT93C66A-10SI: Offers double the memory capacity compared to the AT93C46A-10SI, with 2 kilobits (256 bytes) of storage.
3. AT24C02C-SSHM-T: An alternative EEPROM chip from a different manufacturer, offering similar specifications and functionality.

(Note: The above list is not exhaustive and serves as an example of alternative models.)

In conclusion, the AT93C46A-10SI is a compact and versatile EEPROM chip suitable for various applications. Its electrically erasable nature, low power consumption, and high reliability make