AT28LV256-25SC

Product Overview

Category

AT28LV256-25SC 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 stored data remains intact even when power is removed.
• High capacity: The AT28LV256-25SC has a storage capacity of 256 kilobits.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Fast access time: The device offers a fast access time of 25 nanoseconds.

Package

The AT28LV256-25SC is available in a small outline integrated circuit (SOIC) package.

Essence

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

Packaging/Quantity

The AT28LV256-25SC 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 supplier.

Specifications

• Storage Capacity: 256 kilobits
• Access Time: 25 nanoseconds
• Operating Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT28LV256-25SC 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. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. OE - Output Enable
18. CE - Chip Enable
19. WE - Write Enable
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. VCC - Power Supply
25. GND - Ground
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Non-volatile storage: The AT28LV256-25SC retains data even when power is removed.
• High-speed access: With an access time of 25 nanoseconds, it allows for fast data retrieval.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Easy integration: The device can be easily integrated into existing electronic systems.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity.
• Fast access time allows for quick data retrieval.
• Low power consumption prolongs battery life.
• Easy integration into existing systems.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Higher cost per bit compared to some alternatives.

Working Principles

The AT28LV256-25SC utilizes flash memory technology to store and retrieve digital information. It consists of a grid of memory cells, where each cell can store a binary value (0 or 1). The data is stored by applying electrical charges to specific memory cells, and the charges are retained even when power is removed. When data needs to be accessed, the appropriate memory cells are selected and the stored charges are read.

Detailed Application Field Plans

The AT28LV256-25SC is widely used in various electronic systems that require non-volatile storage. Some common application fields include:

1. Embedded Systems: The device is commonly used in embedded systems such as microcontrollers and IoT devices to store program code and data.
2. Consumer Electronics: It finds applications in consumer electronics like digital cameras, MP3 players, and smartwatches for storing user data and firmware.
3. Automotive Electronics: The AT28LV256-25SC is utilized in automotive electronics for storing critical information such as engine parameters, vehicle settings, and diagnostic data.
4. Industrial Control Systems: It is employed in industrial control systems for storing configuration data, calibration values, and log files.

Detailed and Complete Alternative Models

1. AT28C256: This is an alternative model from the same manufacturer, offering similar specifications and functionality.
2. 29F256: A flash memory device from a different manufacturer, providing comparable storage capacity and access time.
3. M27C256B: An