AT27C256R-12PC - Microchip Technology

Manufacturer Part Number

AT27C256R-12PC

Manufacturer

Microchip Technology

Introduction

The AT27C256R-12PC is an EPROM (Erasable Programmable Read-Only Memory) chip designed for storing code and data in a non-volatile format.

Product Features and Performance

Non-Volatile EPROM Memory

256Kbit Memory Size

32K x 8 Memory Organization

One-Time Programmable (OTP) Technology

Parallel Memory Interface

120 ns Access Time

Through Hole Mounting Type

28-DIP Package

Product Advantages

High reliability and long-term data retention

Ease of integration due to standard DIP packaging

Direct compatibility with microprocessor systems

Key Technical Parameters

Memory Type: EPROM

Memory Format: EPROM - OTP

Memory Size: 256Kbit

Memory Organization: 32K x 8

Voltage - Supply: 4.5V ~ 5.5V

Operating Temperature: 0°C ~ 70°C

Access Time: 120 ns

Package / Case: 28-DIP

Quality and Safety Features

Stable operation over the full operating temperature range

Data retention rated for years at the standard operating temperatures

Compatibility

Compatible with other devices with a parallel interface

Suitable for legacy systems requiring 28-PIN DIP EPROMs

Application Areas

Embedded systems

Legacy industrial equipment

Computer BIOS

Gaming

Telecommunications

Product Lifecycle

Obsolete product status

Replacements or upgrades may be available through Microchip’s newer product offerings

Reasons to Choose This Product

Ideal for applications requiring long-term, reliable, non-volatile memory storage

Easy parallel interface offers simple integration into existing designs

Proven track record of performance and durability in a variety of conditions

Well-suited for replacing discontinued EPROM components in legacy systems