AT28C256-25LM/883

Product Overview

Category

The AT28C256-25LM/883 belongs to the category of non-volatile memory devices.

Use

This product is commonly used for storing and retrieving digital information in various electronic systems.

Characteristics

• Non-volatile: The AT28C256-25LM/883 retains stored data even when power is removed.
• High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• Fast access time: It offers a fast access time of 250 nanoseconds.

Package

The AT28C256-25LM/883 is available in a 28-pin ceramic dual in-line package (DIP).

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT28C256-25LM/883 is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Organization: 32K x 8 bits
• Supply voltage: 4.5V to 5.5V
• Operating temperature range: -55°C to +125°C
• Data retention: 10 years
• Endurance: 10,000 write cycles

Detailed Pin Configuration

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. VCC
10. OE#
11. CE#
12. WE#
13. I/O0
14. I/O1
15. I/O2
16. I/O3
17. I/O4
18. I/O5
19. I/O6
20. I/O7
21. NC
22. NC
23. NC
24. GND
25. NC
26. NC
27. NC
28. NC

Functional Features

• Byte-wide access: The AT28C256-25LM/883 allows for byte-level read and write operations.
• Hardware and software data protection: It provides mechanisms to prevent accidental modification of stored data.
• Easy integration: The device can be easily interfaced with various microcontrollers and other digital systems.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High storage capacity for a wide range of applications.
• Low power consumption extends battery life in portable devices.
• Fast access time enables quick data retrieval.

Disadvantages

• Limited endurance compared to some other memory technologies.
• Relatively higher cost per bit compared to certain alternatives.
• Requires careful handling due to sensitivity to electrostatic discharge (ESD).

Working Principles

The AT28C256-25LM/883 utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges determine the logic state of each memory cell, allowing for reliable data storage and retrieval.

Detailed Application Field Plans

The AT28C256-25LM/883 finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Communication equipment 5. Medical devices

Detailed and Complete Alternative Models

1. AT28C256-12PC
2. AT28C256-15PU
3. AT28C256-20PI
4. AT28C256-30DM/883
5. AT28C256-35LM/883

These alternative models offer similar functionality and characteristics to the AT28C256-25LM/883, but with different specifications and performance parameters.

Word count: 515 words