AT28LV256-25TC

Product Overview

Category

AT28LV256-25TC belongs to the category of integrated circuits (ICs) and specifically falls under the non-volatile memory category.

Use

This product is primarily used for storing data in electronic devices, such as microcontrollers, computers, and other digital systems. It provides non-volatile storage, meaning the data remains intact even when power is removed.

Characteristics

• Non-volatile: Retains data even without power supply.
• High capacity: The AT28LV256-25TC has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: Designed to operate with minimal power requirements.
• Fast access time: Offers a maximum access time of 250 nanoseconds.

Package

The AT28LV256-25TC is available in a Thin Small Outline Package (TSOP). This package type ensures efficient space utilization and ease of integration into various electronic devices.

Essence

The essence of AT28LV256-25TC lies in its ability to provide reliable and non-volatile storage for critical data in electronic systems. It offers high capacity and fast access times, making it suitable for a wide range of applications.

Packaging/Quantity

The AT28LV256-25TC is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package varies but is commonly available in quantities of 100 or more.

Specifications

• Operating voltage: 2.7V - 5.5V
• Access time: 250 ns
• Organization: 32K x 8 bits
• Endurance: 10,000 write cycles
• Data retention: 10 years
• Package type: TSOP

Detailed Pin Configuration

The AT28LV256-25TC features a total of 28 pins, each serving a specific function. 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. VSS - Ground
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. VCC - Power Supply
23. RP - Ready/Busy Output
24. WP - Write Protect
25. A8 - Address Input
26. A9 - Address Input
27. A10 - Address Input
28. A11 - Address Input

Functional Features

The AT28LV256-25TC offers several functional features that enhance its usability and performance:

1. Non-volatile storage: The data stored in the memory remains intact even when power is removed.
2. High-speed access: With a maximum access time of 250 ns, it allows for quick retrieval of data.
3. Low power consumption: Designed to operate with minimal power requirements, making it suitable for battery-powered devices.
4. Easy integration: The TSOP package ensures efficient space utilization and easy integration into various electronic systems.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity.
• High storage capacity for a wide range of applications.
• Fast access time allows for quick data retrieval.
• Low power consumption prolongs battery life.
• Easy integration into electronic systems.

Disadvantages

• Limited endurance with 10,000 write cycles.
• Requires additional circuitry for write protection.

Working Principles

The AT28LV256-25TC utilizes Flash memory technology to store and retrieve data. It consists of a grid of memory cells that can be electrically programmed and erased. When data is written, the memory cells are charged or discharged to represent binary values (0s and 1s). During read operations, the stored charges are detected and converted back into digital data.

Detailed Application Field Plans

The AT28LV256-25TC finds applications in various fields where non-volatile memory is required. Some potential application areas include:

1. Microcontrollers: Used for storing program code and critical data in microcontroller-based systems.
2. Computers: Employed as BIOS (Basic Input/Output System) memory for booting and system initialization.
3. Consumer Electronics: Integrated into devices like digital cameras, printers