AT28BV64B-20JA

Product Overview

Category

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

Use

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

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT28BV64B-20JA has a storage capacity of 64 kilobits (8 kilobytes).
• Fast access time: It operates at a speed of 200 nanoseconds.
• Low power consumption: The device is designed to minimize power usage.
• Reliable: It offers high endurance and data retention capabilities.
• Easy integration: The AT28BV64B-20JA can be easily integrated into various electronic systems.

Package

The AT28BV64B-20JA 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 non-volatile storage for electronic systems, ensuring data integrity and reliability.

Packaging/Quantity

The AT28BV64B-20JA is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Organization: 8 kilobytes (64 kilobits)
• Supply Voltage: 2.7V to 5.5V
• Access Time: 200 ns
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Data Retention: 10 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The AT28BV64B-20JA has a total of 32 pins. Here is the detailed pin configuration:

1. A15
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. /OE (Output Enable)
12. /WE (Write Enable)
13. /CE (Chip Enable)
14. NC (No Connection)
15. DQ0
16. DQ1
17. DQ2
18. DQ3
19. DQ4
20. DQ5
21. DQ6
22. DQ7
23. VCC (Power Supply)
24. GND (Ground)
25. A8
26. A9
27. A11
28. A10
29. /RP (Reset/Program)
30. /WP (Write Protect)
31. /ACC (Access Time Control)
32. /BYTE (Byte/Word Organization)

Functional Features

• Byte and word-level operations: The AT28BV64B-20JA supports both byte and word-level read and write operations.
• Hardware data protection: It provides a write protect pin (/WP) to prevent accidental writes.
• Software data protection: The device offers a reset/program pin (/RP) for software-controlled write protection.
• Fast access time: With an access time of 200 ns, it ensures quick data retrieval.
• Low power consumption: The AT28BV64B-20JA is designed to minimize power usage, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• High endurance and data retention capabilities.
• Easy integration into various electronic systems.
• Supports byte and word-level operations.
• Provides hardware and software data protection mechanisms.

Disadvantages

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

Working Principles

The AT28BV64B-20JA is based on EEPROM technology, which allows for electrically erasing and reprogramming of data. It utilizes a grid of floating-gate transistors to store information. When data needs to be written, the appropriate voltage is applied to the specific memory cell, altering the charge on the floating gate. Reading the stored data involves sensing the charge level on the floating gate. The device operates by enabling or disabling the appropriate control signals to perform read or write operations.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28BV64B-20JA include: - AT28C64B-20PU: 64 kilobit parallel EEPROM with similar specifications. - AT29C010A-12PC: