AT93C46A-10PI-2.5

Overview

Product Category

AT93C46A-10PI-2.5 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The AT93C46A-10PI-2.5 can be erased and reprogrammed electronically, making it convenient for data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• High density: This EEPROM chip offers a high storage capacity, allowing for the storage of large amounts of data.
• Low power consumption: The AT93C46A-10PI-2.5 operates on low power, making it suitable for battery-powered devices.

Package and Quantity

The AT93C46A-10PI-2.5 is available in a 8-pin DIP (Dual Inline Package) format. It is typically sold in packs of 25 units.

Specifications

• Operating voltage: 2.5V
• Memory size: 1 kilobit (128 bytes)
• Organization: 64 words x 16 bits
• Interface: Serial Peripheral Interface (SPI)
• Write time: 5ms (typical)
• Data retention: 100 years (minimum)

Pin Configuration

The AT93C46A-10PI-2.5 has the following pin configuration:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ └───┴───┘

1. Chip Select (CS): Used to enable or disable the chip.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data serially.
4. Serial Data Output (SO): Outputs data serially.
5. Write Enable (WE): Enables or disables write operations.
6. VCC: Power supply voltage.
7. Ground (GND): Common ground connection.
8. NC: No connection.

Functional Features

• Sequential read and write operations: The AT93C46A-10PI-2.5 allows for sequential reading and writing of data, enabling efficient data access.
• Software and hardware protection: This EEPROM chip provides protection mechanisms to prevent unauthorized access and modification of stored data.
• High-speed operation: With a fast write time and high clock frequency support, the AT93C46A-10PI-2.5 ensures quick data storage and retrieval.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High data retention and long-term reliability ensure data integrity.
• Easy integration with various microcontrollers and systems due to its standard interface.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write times compared to some competing memory chips.
• Vulnerable to electromagnetic interference, requiring proper shielding in sensitive applications.

Working Principles

The AT93C46A-10PI-2.5 utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping charges in the floating gate, which can be erased and reprogrammed using electrical signals. The chip communicates with the host system through the SPI interface, allowing for easy integration and control.

Detailed Application Field Plans

The AT93C46A-10PI-2.5 finds applications in various fields, including:

1. Automotive: Used for storing vehicle configuration data, mileage information, and security-related parameters.
2. Industrial automation: Employed in programmable logic controllers (PLCs) for storing program code, configuration settings, and calibration data.
3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles to store user preferences, firmware updates, and encryption keys.
4. Medical devices: Utilized for storing patient data, device configurations, and firmware updates in medical equipment such as infusion pumps and patient monitors.

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to the AT93C46A-10PI-2.5 include:

1. AT24C01A: A 1 kilobit EEPROM chip with a similar pin configuration and SPI interface.
2. CAT24C01: Another 1 kilobit EEPROM chip offering low power consumption and high reliability.
3. M24C01: A compatible alternative from another manufacturer, providing the