Manufacturer Part Number
FM27C256Q150
Manufacturer
onsemi
Introduction
Obsolete 256Kbit UV Erasable Programmable Read-Only Memory (EPROM)
Product Features and Performance
Non-Volatile memory technology
EPROM with ultraviolet light erasability
Memory size of 256 Kbit
Memory organized as 32K x 8
Parallel memory interface
Product Advantages
Stable non-volatile storage solution
Reusable with UV light erasure
Can be used in legacy systems requiring EPROMs
Key Technical Parameters
Memory Size: 256Kbit
Memory Organization: 32K x 8
Access Time: 150 ns
Voltage Supply: 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C
Quality and Safety Features
Reliable data retention
Through Hole mounting for secure PCB attachment
Compatibility
Compatible with systems requiring 28-CDIP EPROMs
Application Areas
Used in older computer systems, microcontroller devices, and other electronics where EPROM is suitable
Product Lifecycle
Discontinued product
Potential need to find replacements or upgrades
Several Key Reasons to Choose This Product
Unique choice for maintaining existing older systems
Reprogrammability via UV erasure allows repeated use
Access Time of 150 ns suitable for a range of applications
Wide operating voltage and temperature ranges for varied environments
FM27C512Q-120NS
FM27C256Q90Fairchild (onsemi)