AT93C57-10PI-2.7

Overview

Product Category

AT93C57-10PI-2.7 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The AT93C57-10PI-2.7 can be erased and reprogrammed electronically, making it convenient for updating stored data.
• Non-volatile: The stored data remains intact even when power is removed.
• High density: This EEPROM chip has a high storage capacity, allowing it to store a large amount of data.
• Low power consumption: The AT93C57-10PI-2.7 operates on low power, making it suitable for battery-powered devices.
• Small package size: It comes in a compact package, enabling its use in space-constrained applications.

Package and Quantity

The AT93C57-10PI-2.7 is available in a 8-pin DIP (Dual Inline Package) format. It is typically sold in reels or tubes containing multiple units.

Specifications

• Part Number: AT93C57-10PI-2.7
• Memory Size: 2 kilobits (256 x 8 bits)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 5ms (typical)
• Data Retention: 100 years (minimum)

Pin Configuration

The AT93C57-10PI-2.7 has the following pin configuration:

┌───┬───┐ │1 └─┬─┘ │2 │ │3 │ │4 │ │5 │ │6 │ │7 │ └─────┘

1. Chip Enable (CE): Enables the chip for read/write operations.
2. Output Enable (OE): Controls the output buffer.
3. Write Enable (WE): Enables write operations.
4. Data Input/Output (DQ): Bi-directional data pin for reading and writing data.
5. Address Inputs (A0-A7): Selects the memory location for read/write operations.
6. Chip Select (CS): Activates the chip for communication.
7. Vcc: Power supply voltage.
8. Ground (GND): Common ground reference.

Functional Features

• Random access: The AT93C57-10PI-2.7 allows direct access to any memory location, facilitating efficient data retrieval.
• High-speed operation: It offers fast read and write cycles, ensuring quick data access and modification.
• Hardware and software protection: This EEPROM chip provides security features to prevent unauthorized access or modification of stored data.
• Sequential read capability: It supports sequential read operations, enabling efficient retrieval of consecutive data.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Electrically erasable and reprogrammable, allowing for easy updates.
• Compact package size enables use in space-constrained applications.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write times compared to some alternative models.
• Higher cost per bit compared to larger memory chips.

Working Principles

The AT93C57-10PI-2.7 utilizes a floating-gate transistor structure to store data. It employs a combination of electrical signals and voltage levels to enable read, write, and erase operations. The stored data is retained by trapping charges in the floating gate, which can be modified through electrical pulses during programming or erasing.

Application Field Plans

The AT93C57-10PI-2.7 finds applications in various fields, including: 1. Automotive electronics: Used for storing configuration data, calibration parameters, and fault codes in automotive control units. 2. Industrial automation: Employed in programmable logic controllers (PLCs) for storing program instructions and data. 3. Consumer electronics: Utilized in devices such as smart TVs, set-top boxes, and gaming consoles for firmware storage and data logging. 4. Medical devices: Used for storing patient data, device configurations, and firmware updates in medical equipment. 5. Internet of Things (IoT): Integrated into IoT devices for storing sensor data, device settings, and network credentials.

Alternative Models

1. AT93C46-10PI-2.7: 1 kilobit EEPROM chip with similar specifications.
2. AT93C66A-10