Manufacturer Part Number
AT27C256R-12RC
Manufacturer
Microchip Technology
Introduction
The AT27C256R-12RC is an obsolete, one-time programmable (OTP), 256Kbit EPROM from Microchip Technology.
Product Features and Performance
Non-Volatile EPROM
OTP Memory Technology
256Kbit Memory Size
Memory Organization of 32K x 8
Parallel Memory Interface
120 ns Access Time
Surface Mount 28-SOIC Package
Product Advantages
Simple and reliable EPROM technology
Compatibility with surface mount technology for PCB assembly
Sufficient density for small firmware applications or device configurations
Key Technical Parameters
Memory Type: Non-Volatile 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 (TC)
Mounting Type: Surface Mount
Package / Case: 28-SOIC
Quality and Safety Features
Standardized product adhering to industry quality/safety standards
Compatibility
Compatible with common 28-SOIC footprint
Application Areas
Legacy electronics systems
Embedded systems needing non-volatile memory for boot code or configuration settings
Product Lifecycle
Obsolete status
Potential replacements or upgrades may be required
Several Key Reasons to Choose This Product
Optimal for small code storage in legacy systems
Easy to integrate into existing designs with common SOIC footprint
Supports 4.5V to 5.5V systems which is typical in many legacy electronics
Robust operating temperature range suitable for commercial applications