AT28LV64B-25PI

Product Overview

Category

AT28LV64B-25PI belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28LV64B-25PI has a storage capacity of 64 kilobits.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Fast access time: The device offers quick access to stored data.

Package

The AT28LV64B-25PI is available in a 28-pin plastic dual in-line package (PDIP).

Essence

The essence of AT28LV64B-25PI lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The product is typically packaged in reels or tubes, with each containing a specific quantity of AT28LV64B-25PI chips.

Specifications

• Operating voltage: 2.7V - 5.5V
• Access time: 250ns
• Organization: 8K x 8 bits
• Interface: Parallel
• Erase/write cycles: 10,000 minimum
• Data retention: 10 years minimum

Detailed Pin Configuration

The AT28LV64B-25PI has a total of 28 pins, each serving a specific purpose. 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. GND
23. NC
24. NC
25. NC
26. NC
27. NC
28. NC

Functional Features

• Easy integration: The AT28LV64B-25PI can be easily integrated into various electronic systems.
• High reliability: It offers reliable data storage and retrieval, ensuring the integrity of stored information.
• Low power consumption: The device operates at low power levels, making it suitable for energy-efficient applications.
• Fast access time: It provides quick access to stored data, enhancing system performance.

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 improves system responsiveness.

Disadvantages

• Limited erase/write cycles may restrict certain applications requiring frequent data modifications.
• Higher cost compared to volatile memory alternatives.
• Larger physical footprint due to the package size.

Working Principles

The AT28LV64B-25PI utilizes flash memory technology to store and retrieve digital information. 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 AT28LV64B-25PI finds application in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. AT28C64B-25PI: Similar to AT28LV64B-25PI, but with a lower operating voltage range of 4.5V - 5.5V.
2. AT28HC64B-25PI: Offers extended temperature range compared to AT28LV64B-25PI, suitable for harsh environments.
3. AT28BV64B-25PI: Provides additional security features such as software protection and one-time programmable memory.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the AT28LV64B-25PI is a non-volatile memory device that provides reliable storage for digital information. With its high capacity, low power consumption, and fast access time, it is suitable for various electronic systems. While it has advantages such as non-volatility and high reliability, it also has limitations in terms of erase/write cycles and cost. Understanding its working principles and considering alternative models can help in making informed decisions for specific applications.