AT28HC256-12UM/883

Product Overview

The AT28HC256-12UM/883 belongs to the category of non-volatile memory integrated circuits. It is commonly used in electronic devices for storing and retrieving data. The characteristics of this product include high-speed operation, low power consumption, and a durable package. The essence of the AT28HC256-12UM/883 lies in its ability to retain stored data even when the power is turned off. It is typically packaged in a ceramic dual in-line package (DIP) and is available in various quantities.

Specifications

• Part Number: AT28HC256-12UM/883
• Category: Non-volatile Memory IC
• Operating Voltage: 5V
• Speed: 120ns
• Package Type: Ceramic DIP
• Storage Capacity: 256 kilobits
• Temperature Range: -55°C to 125°C

Detailed Pin Configuration

The AT28HC256-12UM/883 has a standard pin configuration with address pins, data input/output pins, control pins, and power supply pins. The detailed pinout can be found in the product datasheet.

Functional Features

• Non-volatile storage
• High-speed operation
• Low power consumption
• Reliable data retention
• Easy interfacing with microcontrollers

Advantages and Disadvantages

Advantages

• Retains data without power
• Fast access times
• Compatible with various microcontrollers
• Durable ceramic package

Disadvantages

• Relatively higher cost compared to volatile memory
• Limited storage capacity compared to modern memory technologies

Working Principles

The AT28HC256-12UM/883 utilizes electrically erasable programmable read-only memory (EEPROM) technology. When data is written to the memory, it is stored using electrical charges, which remain in place even when the power is turned off. This allows the device to retain the stored information for an extended period.

Detailed Application Field Plans

The AT28HC256-12UM/883 is commonly used in embedded systems, industrial control systems, automotive electronics, and other applications where non-volatile memory is required. It is suitable for storing program code, configuration settings, and critical data that needs to be retained even when the power source is removed.

Detailed and Complete Alternative Models

1. AT28C256: Similar capacity and speed, but with a different package type.
2. AT29C256: Flash-based memory with higher density and faster access times.
3. M27C256B: UV-erasable EPROM with similar capacity and operating characteristics.

In conclusion, the AT28HC256-12UM/883 is a reliable non-volatile memory IC with fast access times and low power consumption, making it suitable for a wide range of embedded system applications.

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