AT27C256R-45JC - Microchip Technology

Manufacturer Part Number

AT27C256R-45JC

Manufacturer

Microchip Technology

Introduction

The AT27C256R-45JC is a 256Kbit, One-Time Programmable (OTP), Non-Volatile EPROM memory chip.

Product Features and Performance

Non-Volatile EPROM technology

OTP (One-Time Programmable)

256Kbit memory size

32K x 8 memory organization

Parallel memory interface for straightforward integration

Access time of 45 ns ensures rapid data retrieval

Operates across a supply voltage range of 4.5V to 5.5V

Surface mount technology for efficient PCB space use

Housed in a 32-LCC (J-Lead) package for durable connectivity

Product Advantages

Permanent data storage without the need for power

Quick data access enhances system performance

Robust in a wide range of applications due to a broad operating temperature range

Compatibility with common EPROM programmers

Key Technical Parameters

Memory Size: 256Kbit

Memory Organization: 32K x 8

Access Time: 45 ns

Voltage Supply: 4.5V ~ 5.5V

Operating Temperature: 0°C ~ 70°C (TC)

Package / Case: 32-LCC (J-Lead)

Quality and Safety Features

Manufactured by Microchip Technology, ensuring high reliability and performance

Follows industry standards for non-volatile memory

Compatibility

Complements a wide range of microcontrollers and digital signal processors

Suitable for interface with parallel data bus architectures

Application Areas

Used in embedded systems for firmware storage

Ideal for application-specific integrated circuit (ASIC) prototyping

Applicable in telecom infrastructure, automotive electronics, and industrial control systems

Product Lifecycle

This product is marked as obsolete, indicating that it is near the end of its production life

Potential buyers should inquire Microchip Technology for replacements or upgrades

Several Key Reasons to Choose This Product

Reliable data retention characteristic of EPROM technology

Quick access time facilitates improved system response and efficiency

OTP feature provides secure, tamper-proof storage for critical data

Broad voltage and temperature operating ranges support versatile application requirements

Obsolescence status necessitates careful planning for long-term supply or migration strategies