AT28LV256-20TC

Product Overview

Category

AT28LV256-20TC belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The AT28LV256-20TC retains data even when power is removed.
• High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• Fast access time: The AT28LV256-20TC offers a fast access time of 200 nanoseconds.

Package

The AT28LV256-20TC is available in a 28-pin Thin Small Outline Package (TSOP).

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT28LV256-20TC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply voltage: 2.7V - 5.5V
• Operating temperature range: -40°C to +85°C
• Data retention: 10 years
• Endurance: 100,000 write cycles

Pin Configuration

The AT28LV256-20TC has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. A8
10. A9
11. A10
12. A11
13. A12
14. A13
15. A14
16. A15
17. OE#
18. CE#
19. WE#
20. VCC
21. NC
22. I/O0
23. I/O1
24. I/O2
25. I/O3
26. GND
27. NC
28. NC

Functional Features

• Byte-wide organization: The AT28LV256-20TC allows for byte-level access, making it suitable for systems that require random access to specific data bytes.
• Easy integration: The device can be easily interfaced with microcontrollers and other digital systems.
• Low power consumption: The AT28LV256-20TC operates at low power levels, minimizing energy consumption in battery-powered applications.
• High-speed operation: With a fast access time of 200 nanoseconds, the device enables efficient data retrieval and storage.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited endurance of 100,000 write cycles.
• Relatively higher cost compared to other memory technologies.

Working Principles

The AT28LV256-20TC utilizes Flash memory technology to store and retrieve digital information. It employs a combination of floating-gate transistors and charge storage mechanisms to retain data even when power is removed. The device uses address lines to select specific memory locations and control lines to perform read and write operations.

Detailed Application Field Plans

The AT28LV256-20TC finds application in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Medical devices

Detailed and Complete Alternative Models

• AT28C256: Similar non-volatile memory device with a slower access time of 350 nanoseconds.
• AT28HC256: High-speed version with an access time of 120 nanoseconds.
• AT28BV256: Offers additional features like software and hardware data protection.

In conclusion, the AT28LV256-20TC 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 applications in different industries. While it has limitations in terms of endurance and cost, alternative models are available to cater to specific requirements.