AT28BV64B-20SI

Product Overview

Category

AT28BV64B-20SI 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-20SI retains stored data even when power is removed.
• High capacity: It offers 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 AT28BV64B-20SI is available in a small outline integrated circuit (SOIC) package. This package type ensures easy integration into various electronic systems.

Essence

The essence of AT28BV64B-20SI lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT28BV64B-20SI devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage: 2.7V - 3.6V
• Operating temperature range: -40°C to +85°C
• Maximum access time: 200 ns
• Organization: 8K x 8 bits
• Erase/write cycles: 10,000 minimum

Detailed Pin Configuration

The AT28BV64B-20SI has a total of 28 pins, which are assigned specific functions. The pin configuration is as follows:

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-wide operations: The AT28BV64B-20SI allows individual byte-level read and write operations, providing flexibility in data manipulation.
• Hardware and software protection: This device offers various protection mechanisms to prevent unauthorized access or accidental modification of stored data.
• Fast page write: It supports fast programming of up to 64 bytes in a single write operation, enhancing overall data transfer efficiency.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited erase/write cycles may restrict the lifespan of the device.
• Relatively higher cost compared to other types of memory.

Working Principles

The AT28BV64B-20SI utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges in floating gate transistors, which can be erased and reprogrammed using specific voltage levels. The device operates based on address inputs, control signals, and data lines to perform read and write operations.

Detailed Application Field Plans

The AT28BV64B-20SI finds applications in various fields, including: 1. Microcontrollers: Used for program storage and data retention in microcontroller-based systems. 2. Embedded Systems: Provides non-volatile memory for storing critical system parameters and firmware. 3. Consumer Electronics: Enables data storage in devices such as smartwatches, digital cameras, and portable media players.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar to AT28BV64B-20SI but operates at a lower voltage range.
2. AT28HC64B-12PC: Offers higher endurance with increased erase/write cycles.
3. AT28LV64B-15JI: Low