Manufacturer Part Number
M27C256B-12F1
Manufacturer
stmicroelectronics
Introduction
The M27C256B-12F1 is a UV erasable EPROM that provides non-volatile memory storage solutions for robust applications. It is designed for general-purpose use in a wide range of electronics systems and equipment.
Product Features and Performance
Non-Volatile EPROM memory
UV erasable technology
Memory Size of 256Kbit
Memory Organization: 32K x 8
Parallel Memory Interface
Access Time: 120 ns
Through Hole Mounting Type
Encapsulated in a 28-CDIP Frit Seal with Window
Product Advantages
Retains data without power
Can be erased and reprogrammed by exposure to UV light
Suited for firmware updates and data storage in legacy systems
Durable and reliable for general-purpose applications
Key Technical Parameters
Memory Size: 256Kbit
Access Time: 120 ns
Voltage Supply: 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C
Memory Organization: 32K x 8
Memory Interface: Parallel
Quality and Safety Features
Robust ceramic package with UV-light-transparent window for erasing
Operating temperature range ensures stability across various environments
Compatibility
Compatible with various microcontrollers and processors that support a parallel memory interface
Application Areas
Embedded systems
Consumer electronics
Legacy industrial systems
Product Lifecycle
Product Status: Obsolete
Though this product is no longer manufactured, equivalents or upgraded alternatives may be available for use in ongoing and future projects
Several Key Reasons to Choose This Product
Provides a reliable solution for applications requiring data retention without power
Ease of erasing and reprogramming aids in product testing and development
The broad operating temperature range fits a variety of environmental conditions
The use of UV erasable technology ensures long-term usage and data retrieval options