AT28C256F-15JU

Product Overview

Category

AT28C256F-15JU 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 stored data is retained even when power is removed.
• High capacity: The AT28C256F-15JU has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates with a maximum access time of 150 nanoseconds.
• Low power consumption: The device is designed to minimize power usage during operation.
• Reliable: It offers high endurance and data retention capabilities.

Package

The AT28C256F-15JU is available in a 32-lead PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide non-volatile storage for electronic systems, ensuring data integrity and reliability.

Packaging/Quantity

The AT28C256F-15JU is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-lead PLCC

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. /WE - Write Enable
19. /CE - Chip Enable
20. VCC - Power Supply
21. DQ0 - Data Input/Output
22. DQ1 - Data Input/Output
23. DQ2 - Data Input/Output
24. DQ3 - Data Input/Output
25. DQ4 - Data Input/Output
26. DQ5 - Data Input/Output
27. DQ6 - Data Input/Output
28. DQ7 - Data Input/Output
29. NC - No Connection
30. GND - Ground
31. NC - No Connection
32. NC - No Connection

Functional Features

The AT28C256F-15JU offers the following functional features:

• Random access: Allows reading and writing of data at any address location.
• Byte-wise programming: Enables individual bytes to be programmed without affecting others.
• Block erase capability: Supports erasing a block of memory for efficient data management.
• Hardware and software protection: Provides mechanisms to protect stored data from unauthorized access or modification.
• Low power consumption: Designed to minimize power usage during both active and standby modes.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even in the absence of power.
• High capacity allows for storing a significant amount of digital information.
• Fast access time enables quick retrieval of data.
• Reliable operation with high endurance and data retention capabilities.
• Low power consumption helps conserve energy in electronic systems.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Relatively slower access time compared to some modern memory technologies.
• The PLCC package may require additional handling precautions during assembly.

Working Principles

The AT28C256F-15JU utilizes a combination of electronic circuits and memory cells to store and retrieve digital information. It employs a floating-gate transistor technology that allows for non-volatile data storage. When data is written, charges are trapped in the floating gate, altering the transistor's behavior and preserving the stored information. During read operations, the stored charges are sensed, allowing the retrieval of the stored data.

Detailed Application Field Plans

The AT28C256F-15JU finds applications in various electronic systems, including but not limited to:

1. Embedded systems: Used for storing firmware, configuration data, and calibration parameters.
2. Automotive electronics: Employed in engine control units, infotainment systems, and instrument clusters.
3. Industrial automation: Utilized for storing program code, sensor calibration data, and system configurations.
4. Consumer electronics: Integrated into devices such as smart TVs,