AT28BV64-20TI

Product Overview

Category

AT28BV64-20TI 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 AT28BV64-20TI retains stored data even when power is removed.
• High capacity: It has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: The device operates on low power, making it suitable for battery-powered applications.
• Fast access time: With a maximum access time of 200 nanoseconds, it provides quick data retrieval.

Package

The AT28BV64-20TI is available in a standard 28-pin Thin Small Outline Package (TSOP).

Essence

The essence of this product lies in its ability to store and retrieve data reliably, even in the absence of power.

Packaging/Quantity

The AT28BV64-20TI 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 manufacturer.

Specifications

• Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Organization: 8K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Access Time: 200 ns
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28BV64-20TI has a total of 28 pins, each serving a specific purpose. Here is the 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. VCC - Power Supply
10. CE - Chip Enable
11. OE - Output Enable
12. WE - Write Enable
13. I/O0 - Data Input/Output
14. I/O1 - Data Input/Output
15. I/O2 - Data Input/Output
16. I/O3 - Data Input/Output
17. I/O4 - Data Input/Output
18. I/O5 - Data Input/Output
19. I/O6 - Data Input/Output
20. I/O7 - Data Input/Output
21. NC - No Connection
22. GND - Ground
23. NC - No Connection
24. NC - No Connection
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Byte-wise Read and Write: The AT28BV64-20TI allows individual byte-level read and write operations, providing flexibility in data manipulation.
• Hardware Data Protection: It features a hardware protection mechanism to prevent accidental writes, ensuring data integrity.
• Software Data Protection: The device supports software-based protection methods to further enhance data security.
• High-Speed Performance: With a maximum access time of 200 ns, it offers fast data retrieval for efficient system operation.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for various applications.
• Low power consumption extends battery life in portable devices.
• Fast access time enables quick data retrieval.

Disadvantages

• Limited endurance compared to other memory technologies.
• Relatively higher cost per bit compared to some alternative memory options.

Working Principles

The AT28BV64-20TI utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It consists of a grid of memory cells that can be individually addressed for read or write operations. The device uses a combination of address inputs, control signals, and data lines to facilitate data storage and retrieval.

Detailed Application Field Plans

The AT28BV64-20TI finds applications in various fields, including but not limited to: - Microcontrollers - Embedded systems - Consumer electronics - Automotive electronics - Industrial automation

Its ability to retain data without power makes it suitable for applications where non-volatile storage is required.

Detailed and Complete Alternative Models

• AT28C64B-15PU: Similar capacity and functionality, with a different package (DIP).
• AT28HC64B-12SU: Higher endurance version with 1 million write cycles.
• AT28BV64B-20TU: Drop-in replacement with improved performance characteristics.

These alternative models offer similar features and compatibility, providing options based