AT27C256R-15RC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C256R-15RC is a high-performance electrically erasable programmable read-only memory (EEPROM) IC. It is commonly used for non-volatile storage of data in various electronic devices.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Reliable and durable - Easy to program and erase

Package: The AT27C256R-15RC is available in a 28-pin dual in-line package (DIP), which provides easy integration into circuit boards.

Essence: This IC is designed to store and retrieve data reliably, even in harsh environmental conditions. It offers a non-volatile memory solution with fast access times and low power requirements.

Packaging/Quantity: The AT27C256R-15RC is typically sold in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the supplier.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Operating Voltage: 4.5V to 5.5V
• Access Time: 150 nanoseconds
• Erase/Program Cycle Endurance: 10,000 cycles
• Data Retention: 20 years
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AT27C256R-15RC has a total of 28 pins, each serving a specific function. Here is the detailed pin configuration:

1. A14 - Address Input
2. A12 - Address Input
3. A7 - Address Input
4. A6 - Address Input
5. A5 - Address Input
6. A4 - Address Input
7. A3 - Address Input
8. A2 - Address Input
9. A1 - Address Input
10. A0 - Address Input
11. /OE - Output Enable
12. /CE - Chip Enable
13. VSS - Ground
14. D7 - Data Input/Output
15. D6 - Data Input/Output
16. D5 - Data Input/Output
17. D4 - Data Input/Output
18. D3 - Data Input/Output
19. D2 - Data Input/Output
20. D1 - Data Input/Output
21. D0 - Data Input/Output
22. /WE - Write Enable
23. NC - No Connection
24. VCC - Power Supply
25. A8 - Address Input
26. A9 - Address Input
27. A11 - Address Input
28. A13 - Address Input

Functional Features

The AT27C256R-15RC offers the following functional features:

• High-speed access: The IC provides fast read and write operations, allowing for efficient data retrieval and storage.
• Non-volatile memory: The EEPROM technology ensures that the stored data remains intact even when power is removed.
• Easy integration: With its standard pin configuration and package, the IC can be easily incorporated into various electronic designs.
• Low power consumption: The IC operates with low power requirements, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Fast access times enable quick data retrieval. - Non-volatile memory ensures data retention without power supply. - Easy integration due to standard pin configuration. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited erase/program cycle endurance compared to other memory technologies. - Relatively small memory size may not be sufficient for certain applications. - Higher cost compared to some alternative memory solutions.

Working Principles

The AT27C256R-15RC utilizes EEPROM technology to store and retrieve data. It consists of a grid of memory cells, where each cell can be individually programmed or erased. The IC uses electrical signals to write data into the memory cells and read it back when required. The stored data remains intact even when power is removed, thanks to the non-volatile nature of EEPROM.

Detailed Application Field Plans

The AT27C256R-15RC finds applications in various electronic devices that require non-volatile storage of data. Some common application fields include:

1. Embedded Systems: The IC can be used in microcontrollers and other embedded systems to store firmware, configuration data, and calibration parameters.
2. Automotive Electronics: It can be employed in automotive systems for storing critical data such as engine control unit (ECU) firmware, sensor calibration data, and vehicle identification information.
3. Industrial Control Systems: The IC can be utilized in industrial control systems to store program code, configuration settings, and historical data logs.
4. Consumer Electronics: It can be integrated into consumer electronics devices like set-top boxes, gaming