AT28C256-15DM/883-815

Product Overview

Category

AT28C256-15DM/883-815 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 stored data is retained even when power is removed.
• High capacity: The AT28C256-15DM/883-815 has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates at a speed of 150 nanoseconds, allowing for quick data retrieval.
• Durable: Designed to withstand harsh environmental conditions, making it suitable for rugged applications.
• Low power consumption: The device is energy-efficient, minimizing power requirements.

Package

The AT28C256-15DM/883-815 is available in a Dual Inline Package (DIP) format. This package type allows for easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for digital data.

Packaging/Quantity

The AT28C256-15DM/883-815 is typically packaged in tubes or trays, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Organization: 32K x 8 bits
• Supply voltage: 5V
• Access time: 150 ns
• Operating temperature range: -55°C to +125°C
• Data retention: 10 years
• Endurance: 1,000,000 write cycles

Detailed Pin Configuration

The AT28C256-15DM/883-815 has a total of 28 pins, which are assigned specific functions. The pin configuration is as follows:

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 lines
6. VCC: Power supply
7. GND: Ground

Functional Features

• Random access: Allows for direct access to any memory location.
• Byte-wise programming: Enables individual bytes to be programmed without affecting the entire memory array.
• Hardware and software data protection: Provides mechanisms to prevent accidental modification or erasure of stored data.
• High-speed operation: The fast access time ensures efficient data retrieval.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data is retained even when power is removed.
• High capacity: Offers ample storage space for various applications.
• Durable design: Suitable for use in rugged environments.
• Low power consumption: Energy-efficient operation.

Disadvantages

• Relatively slower access time compared to some modern memory technologies.
• Limited endurance: The number of write cycles is finite, which may be a concern in certain applications.

Working Principles

The AT28C256-15DM/883-815 utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges represent binary information, which can be read or modified as needed. The device employs various control signals to enable reading, writing, and erasing operations.

Detailed Application Field Plans

The AT28C256-15DM/883-815 finds application in a wide range of electronic systems, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Communication devices - Medical equipment

Its non-volatile nature, high capacity, and durability make it suitable for storing critical data, program code, configuration settings, and other digital information in these fields.

Detailed and Complete Alternative Models

• AT28C256-12DM/883: Similar to the AT28C256-15DM/883-815, but with a faster access time of 120 ns.
• AT28C256-20DM/883: Similar to the AT28C256-15DM/883-815, but with a slower access time of 200 ns.
• AT28C256-25DM/883: Similar to the AT28C256-15DM/883-815, but with a slower access time of 250 ns.

These alternative models offer different access times, allowing users to choose the one that best suits their specific application requirements.

In conclusion, the AT28C256-15DM/883-815 is a non-volatile memory device that provides reliable storage for digital data. With its high capacity, durability, and low power consumption, it finds applications in various electronic systems. While it may have some limitations in terms of access time and endurance, alternative models are available to cater to different needs.