AT28BV64B-20TU-T

Product Overview

Category

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

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT28BV64B-20TU-T retains stored data even when power is removed.
• High capacity: With a storage capacity of 64 kilobits (8 kilobytes), it offers ample space for storing critical information.
• Fast access time: The device provides quick access to stored data with a maximum access time of 200 nanoseconds.
• Low power consumption: It operates efficiently with low power requirements, making it suitable for battery-powered devices.
• Wide operating voltage range: The AT28BV64B-20TU-T can operate within a voltage range of 2.7V to 5.5V, providing flexibility in different applications.

Package and Quantity

The AT28BV64B-20TU-T is available in a small form factor Thin Small Outline Package (TSOP) with 32 pins. It is typically sold in reels containing multiple units.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Access Time: 200 nanoseconds (maximum)
• Operating Voltage Range: 2.7V to 5.5V
• Package Type: TSOP-32

Pin Configuration

The AT28BV64B-20TU-T has a total of 32 pins arranged 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. NC
14. I/O0
15. I/O1
16. I/O2
17. I/O3
18. I/O4
19. I/O5
20. I/O6
21. I/O7
22. NC
23. NC
24. GND
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Byte-wide operations: The AT28BV64B-20TU-T allows individual byte-level read and write operations, providing flexibility in data manipulation.
• Hardware and software protection: It offers various protection mechanisms to prevent accidental modification or erasure of stored data.
• High reliability: With a guaranteed minimum endurance of 10,000 write cycles, this device ensures long-term data retention and reliable performance.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for storing critical information.
• Fast access time enables quick retrieval of data.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range provides compatibility with different systems.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Relatively slower access time compared to some modern memory technologies.

Working Principles

The AT28BV64B-20TU-T utilizes Flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and control circuitry to achieve 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 control circuitry retrieves the stored charges and interprets them as binary data.

Detailed Application Field Plans

The AT28BV64B-20TU-T finds applications in various fields, including:

1. Microcontrollers: It serves as a reliable storage medium for program code and critical data in microcontroller-based systems.
2. Embedded Systems: The device is commonly used in embedded systems to store configuration settings, firmware, and other essential data.
3. Consumer Electronics: It is utilized in consumer electronic devices such as digital cameras, printers, and set-top boxes for storing user preferences, settings, and firmware updates.

Detailed Alternative Models

1. AT28C64B-15PU: This alternative model offers the same storage capacity and pin configuration but operates at a lower access time of 150 nanoseconds.
2. AT28BV64B-25TU: This variant provides a higher access time of 250 nanoseconds while maintaining the same storage capacity and pin configuration.

In conclusion, the AT28BV64B-20TU-T is a non-volatile memory device with a storage capacity of 64 kilobits. It offers fast access times, low power consumption, and wide operating voltage range. With its small form factor and functional features, it finds applications in microcontrollers, embedded