AT28BV256-20JC

Product Overview

Category

AT28BV256-20JC belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT28BV256-20JC has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: It operates at a low voltage and consumes minimal power.
• Fast access time: The device offers quick read and write operations.
• Reliable: It has built-in error detection and correction mechanisms.

Package

The AT28BV256-20JC is available in a standard 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

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

Packaging/Quantity

The AT28BV256-20JC is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating Voltage: 2.7V - 3.6V
• Access Time: 200ns
• Organization: 32K x 8 bits
• Interface: Parallel
• Temperature Range: -40°C to +85°C
• Endurance: 10,000 write cycles
• Data Retention: 20 years

Detailed Pin Configuration

The AT28BV256-20JC has a total of 32 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. NC
23. NC
24. GND
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Random access: The AT28BV256-20JC allows for random access to any memory location.
• Byte-wise programming: It supports byte-level programming, enabling efficient data storage and retrieval.
• Hardware and software protection: The device offers various protection mechanisms to prevent unauthorized access or accidental modification of stored data.
• Low power standby mode: It has a low-power standby mode that conserves energy when not in use.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power outages.
• High storage capacity for a wide range of applications.
• Fast access time enables quick data retrieval.
• Low power consumption prolongs battery life in portable devices.
• Built-in error detection and correction enhance data reliability.

Disadvantages

• Limited endurance: The device has a finite number of write cycles before it may start to degrade.
• Relatively higher cost compared to volatile memory alternatives.
• Larger physical footprint due to the package size.

Working Principles

The AT28BV256-20JC utilizes flash memory technology to store digital information. It consists of a grid of memory cells, each capable of storing a single bit of data. These cells are organized into rows and columns, forming an addressable array. When data needs to be stored, the device applies electrical charges to specific memory cells, altering their state. To retrieve the stored data, the device reads the electrical charges from the memory cells and interprets them as binary information.

Detailed Application Field Plans

The AT28BV256-20JC finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Medical devices

Detailed and Complete Alternative Models

1. AT28C256-15PU: This model offers similar specifications with a slightly lower access time of 150ns.
2. AT28BV256-30JC: This alternative provides a higher endurance of 100,000 write cycles.
3. AT28BV256B-20TU: This model features a different package (TSOP) and operates at a wider temperature range (-40°C to +125°C).

These alternative models offer flexibility in terms of specific requirements and can be considered based on the application's needs.

In conclusion, the AT28BV256-20JC is a non-volatile memory device that provides reliable and high-capacity storage for electronic systems. Its fast access time, low power consumption,