Microchip Technology AT27C256R-90PI

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AT27C256R-90PI - High-Performance 256Kbit EPROM Memory IC

The AT27C256R-90PI from Microchip Technology is a reliable 256Kbit EPROM (Erasable Programmable Read-Only Memory) designed for embedded systems, industrial control applications, and legacy system maintenance. This one-time programmable (OTP) memory IC delivers fast 90ns access time with a robust operating temperature range of -40°C to 85°C, making it ideal for harsh industrial environments.

Key Features & Benefits

  • 256Kbit Memory Capacity: Organized as 32K x 8 for flexible data storage
  • Fast 90ns Access Time: Ensures quick data retrieval for time-critical applications
  • Industrial Temperature Range: Operates reliably from -40°C to 85°C (TC)
  • Standard 28-DIP Package: Easy integration with through-hole PCB designs (0.600", 15.24mm)
  • Parallel Interface: Simple integration with microcontrollers and processors
  • Wide Supply Voltage: 4.5V to 5.5V for compatibility with standard 5V systems
  • OTP Technology: One-time programmable for secure code storage and firmware applications

Applications

This EPROM memory IC is perfect for firmware storage, boot code, lookup tables, embedded system programming, industrial automation controllers, legacy equipment replacement, and prototype development.

Why Choose HQICKEY?

At HQICKEY, we specialize in providing authentic electronic components for industrial and embedded applications. We offer competitive pricing, fast shipping, and technical support to help you find the right components for your projects.

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Order your AT27C256R-90PI today and ensure reliable memory performance for your embedded systems!

Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Memory Type Non-Volatile
Memory Format EPROM
Technology EPROM - OTP
Memory Size 256Kbit
Memory Organization 32K x 8
Memory Interface Parallel
Clock Frequency -
Write Cycle Time - Word, Page -
Access Time 90 ns
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TC)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 28-DIP (0.600", 15.24mm)
Supplier Device Package 28-PDIP