AT28C256-25LM/883-815

Product Overview

Category: Integrated Circuit (IC)

Use: The AT28C256-25LM/883-815 is a high-performance electrically erasable and programmable read-only memory (EEPROM) IC. It is commonly used for non-volatile data storage in various electronic devices.

Characteristics: - High-speed operation - Low power consumption - Wide voltage range - High reliability - Durable and long-lasting

Package: The AT28C256-25LM/883-815 is available in a 28-pin ceramic dual-inline package (DIP). This package provides excellent protection against environmental factors such as moisture, dust, and temperature variations.

Essence: The essence of the AT28C256-25LM/883-815 lies in its ability to store and retrieve data reliably and efficiently. It offers a large storage capacity and fast access times, making it suitable for a wide range of applications.

Packaging/Quantity: The AT28C256-25LM/883-815 is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Operating Voltage: 2.7V to 5.5V
• Access Time: 250 ns
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Pin Configuration

The AT28C256-25LM/883-815 has a total of 28 pins. Here is the detailed pin configuration:

1. A0 - Address Input
2. A1 - Address Input
3. A2 - Address Input
4. A3 - Address Input
5. A4 - Address Input
6. A5 - Address Input
7. A6 - Address Input
8. A7 - Address Input
9. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. OE - Output Enable
18. CE - Chip Enable
19. WE - Write Enable
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. Vcc - Power Supply
25. GND - Ground
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Electrically erasable and programmable memory
• High-speed operation for efficient data access
• Low power consumption for energy efficiency
• Wide voltage range allows compatibility with various systems
• Reliable data retention for long-term storage
• Durable construction ensures longevity

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast access times - Versatile voltage range - High reliability and durability - Suitable for a wide range of applications

Disadvantages: - Limited endurance (100,000 write cycles) - Relatively high cost compared to other memory options

Working Principles

The AT28C256-25LM/883-815 operates based on the principles of electrically erasable and programmable read-only memory (EEPROM). It uses electrical signals to store and retrieve data. The memory cells within the IC can be programmed or erased electrically, allowing for non-volatile data storage.

Detailed Application Field Plans

The AT28C256-25LM/883-815 finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Communication devices - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28C256-25LM/883-815 include: - AT28C256-15PU - 256 kilobit EEPROM IC with a 150 ns access time - AT28C256-20PC - 256 kilobit EEPROM IC with a 200 ns access time - AT28C256-30DM/883 - 256 kilobit EEPROM IC with a 300 ns access time

These alternative models can be considered based on specific requirements and application needs.

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