AT28HC256-90DM/883 - Microchip Technology

Manufacturer Part Number

AT28HC256-90DM/883

Manufacturer

Microchip Technology

Introduction

High-density 256Kbit parallel EEPROM ideal for applications requiring data storage and retrieval without power

Product Features and Performance

Non-volatile EEPROM technology

256Kbit memory size

Organized as 32K x 8 bits

Parallel memory interface for quick data access

Write Cycle Time of 10ms for word or page

Fast Access Time of 90 ns

Compatible with 4.5V to 5.5V power supply

Operational across a wide temperature range from -55°C to 125°C

Product Advantages

Durable and reliable data retention over time

Non-volatile storage preserves data without power

Parallel interface enables high-speed data transfer

Extended temperature range suits demanding applications

Key Technical Parameters

EEPROM Memory Format

Parallel Memory Interface

256Kbit Memory Size (32K x 8 Organization)

Write Cycle Time - 10ms

90 ns Access Time

5V ~ 5.5V Supply Voltage

-55°C ~ 125°C Operating Temperature

Through-Hole Mounting Type

28-CDIP Package

Quality and Safety Features

Designed for high-reliability applications

Robust in extreme temperatures and environmental conditions

Compatibility

Compatible with various microcontrollers and processor systems requiring a parallel memory interface

Application Areas

Industrial control systems

Automotive electronics

Medical devices

Telecommunication infrastructure

Aerospace and defense systems

Product Lifecycle

Active product status indicates ongoing manufacturing and availability

Not reported as nearing discontinuation

Potential future upgrades or replacements may become available

Several Key Reasons to Choose This Product

High-density storage in a stable and durable EEPROM format

Compatible with a wide range of voltages for versatile applications

Fast access time and efficient write cycle for performance-critical tasks

Robust operating temperature range suits extreme environments

Active product lifecycle status with support from Microchip Technology