AT28BV256-20TA

Product Overview

Category

AT28BV256-20TA 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: Retains data even when power is turned off.
• High capacity: Offers a storage capacity of 256 kilobits.
• Fast access time: Operates at a speed of 20 nanoseconds.
• Low power consumption: Designed to minimize energy usage.
• Reliable: Provides robust data retention and endurance.

Package

AT28BV256-20TA is available in a compact package, suitable for integration into various electronic devices.

Essence

The essence of AT28BV256-20TA lies in its ability to provide reliable and non-volatile storage for digital information.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT28BV256-20TA chips.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 20 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

1. VCC: Power supply voltage
2. A0-A14: Address inputs
3. CE: Chip enable
4. OE: Output enable
5. WE: Write enable
6. I/O0-I/O7: Data input/output lines
7. NC: No connection
8. GND: Ground

Functional Features

• Random access: Allows reading and writing of data at any address location.
• Byte-wise programming: Enables individual bytes to be programmed independently.
• Erase capability: Supports full chip erase or sector erase operations.
• Hardware and software protection: Provides mechanisms to protect data from unauthorized access or modification.

Advantages

• Non-volatile nature ensures data retention even during power loss.
• High storage capacity allows for storing a significant amount of information.
• Fast access time enables quick retrieval of data.
• Low power consumption contributes to energy efficiency.
• Reliable performance ensures data integrity over extended periods.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to volatile memory devices.
• Higher cost per bit compared to some alternative memory solutions.

Working Principles

AT28BV256-20TA utilizes a combination of electronic circuits and non-volatile memory cells to store and retrieve digital information. It employs specific voltage levels and control signals to enable reading, writing, and erasing operations.

Detailed Application Field Plans

AT28BV256-20TA finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

1. AT28C256: Similar capacity and functionality, but with a slower access time.
2. AT29C256: Offers similar capacity and features, but operates at a lower voltage.
3. AT45DB256: Provides higher capacity and additional features like data protection and security.

These alternative models offer different trade-offs in terms of speed, capacity, voltage requirements, and additional features, allowing users to choose the most suitable option for their specific application needs.

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