Manufacturer Part Number
AT27C256R-45PI
Manufacturer
Microchip Technology
Introduction
The AT27C256R-45PI is a 256Kbit, high-performance EPROM (Electrically Programmable Read-Only Memory) offering fast access time and low power consumption.
Product Features and Performance
Non-Volatile EPROM
256Kbit memory size
Parallel memory interface
45 ns access time
One-Time Programmable (OTP) technology
Through-hole mounting type
Operates within 4.5V to 5.5V supply voltage range
Functionality tested across temperature range of -40°C to 85°C
Product Advantages
Reliable data retention
Fast read access improves system performance
Through-hole package ensures easy replacement and longevity
OTP technology ensures secure firmware or data storage
Compatibility with standard 28-DIP hardware layout
Key Technical Parameters
Memory Type: EPROM
Memory Format: OTP
Memory Size: 256Kbit
Memory Organization: 32K x 8
Access Time: 45 ns
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Standardized DIP package for reliable through-hole PCB mounting
Compatibility
Compatible with systems requiring 28-DIP package EPROMs and 4.5V to 5.5V supply
Application Areas
Legacy embedded systems
Industrial applications
Telecommunications
Automotive electronics where long-term firmware storage is required
Product Lifecycle
Obsolete
Potential for replacements or upgrades subject to availability and manufacturer releases
Several Key Reasons to Choose This Product
Proven reliability in data storage
Fast access time enhancing system efficiency
Wide operating temperature range suitable for harsh environments
Ease of integration into existing hardware due to the standard DIP package
One-Time Programmable feature for secure data or code storage
Suitable for applications where product longevity is crucial
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