AT28BV256-20SI

Product Overview

Category

AT28BV256-20SI 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 AT28BV256-20SI 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 quick access to stored data.

Package

The AT28BV256-20SI comes 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 AT28BV256-20SI is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 256 kilobits
• Operating Voltage: 2.7V - 3.6V
• Access Time: 200 nanoseconds
• Interface: Parallel
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT28BV256-20SI has a total of 28 pins. 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. NC
21. VCC
22. GND
23. I/O0
24. I/O1
25. I/O2
26. I/O3
27. I/O4
28. I/O5

Functional Features

• Byte and Page Write: The AT28BV256-20SI supports both byte and page write operations, allowing for flexible data storage.
• Software Data Protection: It provides software-controlled protection mechanisms to prevent accidental modification or erasure of stored data.
• High Reliability: The device offers high endurance and data retention capabilities, ensuring the integrity of stored information over an extended period.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High capacity allows for storing a significant amount of digital information.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time enables quick retrieval of stored data.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Parallel interface may require additional circuitry for interfacing with modern microcontrollers.

Working Principles

The AT28BV256-20SI utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge storage elements to retain information even when power is removed. The device uses a parallel interface to communicate with the host system, enabling efficient read and write operations.

Detailed Application Field Plans

The AT28BV256-20SI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Industrial automation - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28BV256-20SI include: - AT28C256-15PU - AT29C256-12PC - AT27C256R-70PU - AT49BV256-15TI

These models provide comparable storage capacity, interface compatibility, and performance characteristics.

In conclusion, the AT28BV256-20SI is a non-volatile memory device that offers high capacity, low power consumption, and fast access time. It finds applications in various electronic systems and has several alternative models with similar functionality.