AT27BV256-12TI

Product Overview

Category

AT27BV256-12TI 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 AT27BV256-12TI retains stored data even when power is removed.
• High capacity: With a storage capacity of 256 kilobits, it can store a significant amount of data.
• Fast access time: The device has a fast access time of 120 nanoseconds, allowing for quick retrieval of data.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT27BV256-12TI comes in a compact package that ensures easy integration into electronic systems. The specific package type may vary depending on the manufacturer.

Essence

The essence of the AT27BV256-12TI lies in its ability to provide reliable and non-volatile storage for digital information.

Packaging/Quantity

The product is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 120 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT27BV256-12TI features a parallel interface with the following pin configuration:

1. A0-A14: Address Inputs
2. CE: Chip Enable
3. OE: Output Enable
4. WE: Write Enable
5. I/O0-I/O7: Data Input/Output
6. VCC: Power Supply
7. GND: Ground

Functional Features

• Random Access: The device allows for random access to any memory location, enabling efficient data retrieval.
• High Reliability: The AT27BV256-12TI offers high reliability with a guaranteed minimum number of erase/write cycles.
• Data Protection: It provides protection against accidental write operations through the use of hardware and software features.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Fast access time enables quick retrieval of stored information.
• Low power consumption makes it suitable for battery-powered devices.
• High reliability ensures long-term data integrity.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Parallel interface may require more complex circuitry for integration.

Working Principles

The AT27BV256-12TI utilizes flash memory technology to store digital information. It employs a combination of floating-gate transistors and charge storage elements to retain data even when power is removed. The device uses a parallel interface to communicate with the host system, allowing for efficient read and write operations.

Detailed Application Field Plans

The AT27BV256-12TI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Its non-volatile nature, fast access time, and low power consumption make it suitable for applications that require reliable and efficient data storage.

Detailed and Complete Alternative Models

• AT28C256: Similar capacity and characteristics, but with a different package and interface (parallel EEPROM).
• AT45DB256: Higher capacity and additional features like sector erase and page program (serial flash memory).

These alternative models offer similar functionality to the AT27BV256-12TI, providing options for different design requirements.

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