AT28C256-15DM/883

Product Overview

Category

AT28C256-15DM/883 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 has a storage capacity of 256 kilobits.
• Fast access time: It operates at a speed of 150 nanoseconds.
• Durable: This device can withstand harsh environmental conditions due to its military-grade construction.

Package

The AT28C256-15DM/883 comes in a Dual In-line Package (DIP) format, which consists of two parallel rows of pins.

Essence

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

Packaging/Quantity

The AT28C256-15DM/883 is typically packaged in anti-static tubes or trays. The quantity per package varies depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Operating Voltage: 5 volts
• Temperature Range: -55°C to +125°C
• Endurance: 10,000 write cycles
• Data Retention: 10 years

Detailed Pin Configuration

The AT28C256-15DM/883 has a total of 28 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. A0-A14: Address Inputs
2. CE: Chip Enable
3. OE: Output Enable
4. WE: Write Enable
5. VCC: Power Supply (+5V)
6. GND: Ground
7. NC: No Connection (Not Connected)
8. DQ0-DQ7: Data Input/Output

Functional Features

• Random Access: Allows for reading and writing data at any address location.
• Byte-Wide Operation: Supports both byte-level and word-level operations.
• Hardware Data Protection: Write protection mechanism prevents accidental modification of stored data.
• Low Power Consumption: Designed to minimize power consumption during operation.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even in the absence of power.
• High storage capacity allows for storing a significant amount of information.
• Fast access time enables quick retrieval of data.
• Military-grade construction ensures durability and reliability in harsh environments.

Disadvantages

• Relatively higher cost compared to other types of memory devices.
• Limited endurance with a maximum of 10,000 write cycles.
• Requires careful handling due to sensitivity to electrostatic discharge.

Working Principles

The AT28C256-15DM/883 utilizes a technology called Electrically Erasable Programmable Read-Only Memory (EEPROM). It stores data by trapping electric charges within floating gate transistors. These charges can be selectively removed or added using electrical signals, allowing for both reading and writing operations.

Detailed Application Field Plans

The AT28C256-15DM/883 finds applications in various electronic systems, including but not limited to: - Embedded systems - Microcontrollers - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the AT28C256-15DM/883. Some notable alternatives include: - AT28C256-12PC - AT28C256-20PI - AT28C256-25LM/883

These models differ in terms of access time, temperature range, and package type, providing options to suit different requirements.

In conclusion, the AT28C256-15DM/883 is a non-volatile memory device with a high storage capacity and fast access time. It offers reliable data storage for various electronic systems and finds applications in diverse fields. While it has advantages such as non-volatility and durability, it also has limitations like limited endurance and higher cost. Nonetheless, it remains a popular choice for many applications due to its performance and reliability.