M27C256B-90F6 - STMicroelectronics

Manufacturer Part Number

M27C256B-90F6

Manufacturer

STMicroelectronics

Introduction

The M27C256B-90F6 is an ultraviolet eraseable programmable read-only memory (EPROM) chip.

Product Features and Performance

Non-Volatile EPROM with UV erasing technology

256Kbit memory size

Parallel memory interface for straightforward integration

Organized as 32K x 8, allowing efficient data storage and retrieval

Access time of 90 ns provides quick read capabilities

Through-hole mounting for stable PCB placement

Product Advantages

The use of UV technology allows repeated reprogramming after erasing

High-density data storage capability for its time

The relatively wide operating temperature range enhances reliability in diverse environments

Key Technical Parameters

Memory Size: 256Kbit

Memory Organization: 32K x 8

Voltage Supply: 4.5V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Access Time: 90 ns

Quality and Safety Features

High reliability with a stable operational temperature range

Compatibility

Traditional through-hole technology compatible with older PCB designs

Application Areas

Used historically in embedded systems, automotive electronics, and legacy computer systems

Product Lifecycle

The M27C256B-90F6 is classified as Obsolete, indicating potential discontinuation with limited availability. Check for manufacturer recommendations for replacements or upgrades.

Several Key Reasons to Choose This Product

Robust EPROM technology with a reliable data storage solution for legacy systems

Reusability due to ultraviolet erasing feature

Fast access time aids in quick data retrieval

STMicroelectronics is a reputable manufacturer known for reliability and product longevity

Broad supply voltage range allows flexibility in various power supply designs