AT27C256R-45PU

Product Overview

Category

The AT27C256R-45PU belongs to the category of programmable read-only memory (PROM) devices.

Use

It is used for storing and retrieving data in electronic systems, such as microcontrollers, embedded systems, and other digital devices.

Characteristics

• Non-volatile memory
• High reliability
• Fast access time
• Low power consumption

Package

The AT27C256R-45PU is typically available in a dual in-line package (DIP) format.

Essence

The essence of the AT27C256R-45PU lies in its ability to retain stored data even when the power is turned off.

Packaging/Quantity

It is commonly packaged in tubes or trays and is available in various quantities depending on the manufacturer.

Specifications

• Capacity: 256 kilobits
• Access Time: 45 nanoseconds
• Operating Voltage: 5V
• Temperature Range: Industrial (-40°C to 85°C)

Detailed Pin Configuration

The AT27C256R-45PU has a standard pin configuration with address pins, data input/output pins, control pins, and power supply pins. The specific pinout can be found in the datasheet provided by the manufacturer.

Functional Features

The functional features of the AT27C256R-45PU include: - Read-only memory functionality - Parallel data transfer - Address and data multiplexing - On-chip address latches

Advantages

• Non-volatile storage
• Fast access time
• Reliable operation
• Low power consumption

Disadvantages

• Inability to modify stored data once programmed
• Limited capacity compared to modern non-volatile memory technologies

Working Principles

The AT27C256R-45PU operates based on the principle of storing data using floating-gate transistors, which can trap electric charge to represent binary information. When reading data, the stored charge is sensed to retrieve the stored information.

Detailed Application Field Plans

The AT27C256R-45PU is commonly used in applications such as: - Firmware storage in embedded systems - Program storage in microcontrollers - Configuration storage in digital devices

Detailed and Complete Alternative Models

Some alternative models to the AT27C256R-45PU include: - AT28C256 - AM27C256 - M27C256

In conclusion, the AT27C256R-45PU is a reliable and fast non-volatile memory device that finds widespread use in various electronic systems for data storage and retrieval.

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