AT28C256-15SU

Product Overview

Category

AT28C256-15SU belongs to the category of non-volatile memory devices.

Use

It 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 AT28C256-15SU has a storage capacity of 256 kilobits.
• Fast access time: It operates at a speed of 150 nanoseconds.
• Low power consumption: It requires minimal power to operate efficiently.

Package

The AT28C256-15SU is available in a small outline, surface mount package (SOIC).

Essence

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

Packaging/Quantity

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

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 4.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT28C256-15SU 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. VCC: Power Supply
6. GND: Ground
7. I/O0-I/O7: Data Input/Output

Functional Features

• Random Access: Allows reading and writing of data at any location within the memory.
• High Reliability: The AT28C256-15SU is designed to withstand harsh environmental conditions and has a high endurance rating.
• Data Protection: It features built-in mechanisms to prevent accidental data corruption during write operations.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even in the absence of power.
• Fast access time enables quick retrieval of information.
• Low power consumption makes it suitable for battery-powered devices.
• High reliability ensures long-term data integrity.

Disadvantages

• Limited storage capacity compared to other modern memory devices.
• Parallel interface may require additional circuitry for interfacing with newer microcontrollers.

Working Principles

The AT28C256-15SU utilizes a combination of electronic circuits and memory cells to store and retrieve digital information. When powered on, the device allows data to be written or read from specific memory locations based on the address provided. The stored data remains intact even when power is removed.

Detailed Application Field Plans

The AT28C256-15SU finds applications in various fields, including: 1. Embedded Systems: Used for storing firmware, configuration data, and program code in microcontroller-based systems. 2. Automotive Electronics: Employed in automotive control units for storing calibration data, fault codes, and other critical information. 3. Industrial Automation: Utilized in programmable logic controllers (PLCs) for storing ladder logic programs and system parameters.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28C256-15SU include: - AT28C256-12PC - AT28C256-20PI - AT28C256-25DM/883

These models have different specifications and package options, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the AT28C256-15SU is a non-volatile memory device with a storage capacity of 256 kilobits. It offers fast access times, low power consumption, and high reliability. Its applications range from embedded systems to automotive electronics and industrial automation. Alternative models are available to cater to different needs within the same product category.