AT28HC256-12LM/883

Product Overview

Category

The AT28HC256-12LM/883 belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is commonly used in various electronic devices and systems for non-volatile data storage. It allows for easy and efficient retrieval of stored information even when power is removed.

Characteristics

• High-speed operation
• Low power consumption
• Non-volatile memory
• Electrically erasable and programmable
• Reliable and durable

Package

The AT28HC256-12LM/883 is available in a 28-pin ceramic dual-inline package (DIP). This package provides protection and ease of integration into electronic circuits.

Essence

The essence of this product lies in its ability to store and retrieve data reliably and efficiently, making it an essential component in many electronic systems.

Packaging/Quantity

The AT28HC256-12LM/883 is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Access Time: 120ns
• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32K x 8 bits
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A14)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Supply Voltage (VCC)
7. Ground (GND)

(Note: The pin configuration may vary depending on the manufacturer's specifications. Please refer to the datasheet for the exact pinout.)

Functional Features

• High-speed operation allows for quick data access and retrieval.
• Low power consumption ensures efficient use of energy resources.
• Electrically erasable and programmable memory enables easy modification of stored data.
• Non-volatile nature ensures data retention even when power is removed.
• Reliable and durable design guarantees long-term performance.

Advantages and Disadvantages

Advantages

• High-speed operation enhances overall system performance.
• Low power consumption prolongs battery life in portable devices.
• Electrically erasable and programmable memory offers flexibility in data storage.
• Non-volatile nature ensures data integrity during power interruptions.
• Reliable and durable design provides long-lasting functionality.

Disadvantages

• Limited memory size compared to other storage technologies.
• Relatively higher cost per bit compared to some alternative memory solutions.
• Requires careful handling and proper ESD precautions during installation.

Working Principles

The AT28HC256-12LM/883 utilizes a combination of electronic circuits and non-volatile memory cells to store and retrieve data. When powered, the chip interprets input signals from the address lines and control inputs to perform read or write operations. Data is stored in memory cells using electrical charges, which can be erased and reprogrammed as needed.

Detailed Application Field Plans

The AT28HC256-12LM/883 finds applications in various fields, including:

1. Embedded Systems: Used for firmware storage in microcontrollers and other embedded devices.
2. Automotive Electronics: Employed for storing critical data in automotive systems such as engine control units (ECUs) and infotainment systems.
3. Industrial Automation: Utilized in programmable logic controllers (PLCs) and other automation equipment for data storage and retrieval.
4. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for firmware and data storage.
5. Medical Devices: Used in medical equipment for storing patient data, firmware, and configuration settings.

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar EEPROM chip with a larger memory size of 256 kilobits.
2. AT29C010A-12PC: Flash memory chip with a capacity of 1 megabit, suitable for applications requiring higher storage capacity.
3. AT24C02C-SSHM-T: Serial EEPROM chip with a smaller memory size of 2 kilobits, ideal for low-power and space-constrained applications.

(Note: The alternative models listed above are just a few examples. There are numerous other options available in the market.)

In conclusion, the AT28HC256-12LM/883 is a high-speed, low-power EEPROM chip that offers reliable and efficient data storage capabilities. Its versatility makes it suitable for various applications across different industries. While it has certain limitations, its advantages outweigh the disadvantages, making it a popular choice among designers and engineers.