AT28BV64B-20PI

Product Overview

Category

AT28BV64B-20PI belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High capacity: The AT28BV64B-20PI has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.
• Fast access time: The device offers fast read and write operations.

Package

The AT28BV64B-20PI comes in a 28-pin plastic dual in-line package (PDIP).

Essence

The essence of AT28BV64B-20PI lies in its ability to provide reliable and non-volatile data storage in various electronic applications.

Packaging/Quantity

The product is typically packaged in reels or tubes, with each containing a specific quantity of AT28BV64B-20PI chips.

Specifications

• Operating voltage: 2.7V - 5.5V
• Access time: 200ns
• Organization: 8K x 8 bits
• Interface: Parallel
• Erase/write cycles: 10,000 minimum
• Data retention: 10 years minimum

Pin Configuration

The AT28BV64B-20PI has a total of 28 pins. The pin configuration is as follows:

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. GND
23. NC
24. NC
25. NC
26. NC
27. NC
28. NC

Functional Features

• Byte-wide operations: The device allows for byte-level read and write operations.
• Hardware and software protection: It offers various protection mechanisms to prevent accidental data modification.
• Fast page write: The AT28BV64B-20PI supports fast programming of up to 64 bytes in a single write operation.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for its compact size.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time enables quick data retrieval.

Disadvantages

• Limited erase/write cycles compared to other non-volatile memory technologies.
• Relatively higher cost per bit compared to some alternative memory options.

Working Principles

The AT28BV64B-20PI utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping charges in floating gate transistors, which can be electrically erased and reprogrammed.

Detailed Application Field Plans

The AT28BV64B-20PI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Industrial control systems - Automotive electronics - Medical devices

Alternative Models

Some alternative models that offer similar functionality to the AT28BV64B-20PI include: - AT28C64B-20PU - AT28HC64B-12SU - AT28LV64B-20JI

These models provide comparable specifications and can be considered as alternatives based on specific application requirements.

In conclusion, the AT28BV64B-20PI is a non-volatile memory device with high capacity, low power consumption, and fast access time. It finds applications in various electronic systems and offers byte-level operations and protection mechanisms. While it has limited erase/write cycles and relatively higher cost per bit, it provides reliable data storage for a wide range of applications.