Manufacturer Part Number
AT27C256R-90TC
Manufacturer
Microchip Technology
Introduction
High-performance, 256Kbit, 5V, UV-erasable, electrically programmable read-only memory (EPROM)
Product Features and Performance
90ns maximum access time
5V to 5.5V supply voltage range
Parallel memory interface
32K x 8-bit memory organization
EPROM memory technology
UV-erasable and electrically reprogrammable
Extended temperature range of 0°C to 70°C
Product Advantages
Wide operating voltage range
Fast access time
Widely compatible parallel memory interface
Flexible memory capacity and organization
Rewritable EPROM technology
Key Technical Parameters
Memory Size: 256Kbit
Memory Type: Non-Volatile EPROM
Access Time: 90ns
Supply Voltage: 4.5V to 5.5V
Temperature Range: 0°C to 70°C
Memory Organization: 32K x 8-bit
Quality and Safety Features
RoHS non-compliant
28-TSOP package
Compatibility
Compatible with a wide range of systems and applications that require parallel EPROM memory
Application Areas
Embedded systems
Instrumentation and control equipment
Industrial automation
Automotive electronics
Consumer electronics
Product Lifecycle
The AT27C256R-90TC is a mature product that has been in production for many years
Replacement or upgrade options may be available from Microchip or other suppliers
Key Reasons to Choose This Product
High-performance EPROM memory with fast access time
Wide operating voltage range for flexibility
Robust and reliable EPROM technology
Widely compatible parallel memory interface
Extended temperature range for industrial and harsh environments
Mature and well-established product with potential replacement options