Microchip Technology AT27C256R-70PA

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AT27C256R-70PA - High-Reliability 256Kbit EPROM for Industrial Applications

The AT27C256R-70PA from Microchip Technology is a premium 256Kbit (32K x 8) One-Time Programmable (OTP) EPROM designed for demanding industrial and embedded electronics applications. With a fast 70ns access time and extended temperature range of -40°C to 125°C, this parallel EPROM delivers reliable non-volatile memory storage for mission-critical systems.

Key Features & Benefits

  • High-Speed Performance: 70ns access time ensures rapid data retrieval for time-sensitive applications
  • Industrial Temperature Range: Operates reliably from -40°C to 125°C (TC), ideal for harsh environments
  • Standard Parallel Interface: Easy integration with existing microcontroller and processor architectures
  • Proven OTP Technology: One-Time Programmable EPROM ensures data integrity and security
  • Through-Hole Mounting: 28-DIP package (0.600", 15.24mm) for robust PCB assembly
  • Wide Voltage Range: 4.5V to 5.5V supply voltage for flexible system design

Ideal Applications

Perfect for embedded systems, industrial controllers, legacy system upgrades, firmware storage, automotive electronics, medical devices, and any application requiring long-lifecycle non-volatile memory with guaranteed authenticity.

Why Choose HQICKEY for Your Memory Components?

At HQICKEY, we specialize in authentic, long-lifecycle semiconductor components with dedicated technical support. Our AT27C256R-70PA EPROMs are sourced directly from authorized channels, ensuring 100% genuine Microchip Technology products with full traceability and quality assurance.

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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 70 ns
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TC)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 28-DIP (0.600", 15.24mm)
Supplier Device Package 28-PDIP