Microchip Technology AT27C256R-70PI

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AT27C256R-70PI - High-Reliability 256Kbit EPROM Memory IC

The AT27C256R-70PI from Microchip Technology is a high-performance 256Kbit EPROM (Erasable Programmable Read-Only Memory) designed for embedded systems and industrial applications requiring non-volatile memory storage. This one-time programmable (OTP) EPROM delivers reliable data retention with a fast 70ns access time, making it ideal for firmware storage, boot code, and configuration data in mission-critical applications.

Key Features & Benefits

  • 256Kbit Memory Capacity: Organized as 32K x 8, providing ample storage for embedded firmware and system configurations
  • Fast 70ns Access Time: Ensures quick data retrieval for time-sensitive applications
  • Wide Operating Temperature Range: -40°C to 85°C (TC) for reliable performance in harsh industrial environments
  • Standard 5V Operation: 4.5V to 5.5V supply voltage compatible with legacy and modern systems
  • Through-Hole Mounting: 28-DIP package (0.600", 15.24mm) for easy integration and replacement
  • Parallel Interface: Simple integration with microprocessors and microcontrollers
  • Authentic Microchip Technology Component: Guaranteed genuine sourcing with full lifecycle support

Applications

The AT27C256R-70PI is perfectly suited for:

  • Embedded system firmware storage
  • Industrial control systems and automation
  • Legacy system maintenance and upgrades
  • Boot code and BIOS applications
  • Configuration data storage
  • Automotive electronics
  • Medical device firmware

Why Choose HQICKEY for Your Memory Components?

At HQICKEY, we specialize in authentic semiconductor sourcing with comprehensive lifecycle support. Our extensive Memory catalog includes EPROM, Flash, DRAM, SRAM, and other memory solutions from leading manufacturers. We ensure every component meets original specifications with full traceability and quality assurance.

Stay informed about the latest semiconductor technologies, industry trends, and product updates by visiting our News & Updates blog, where we share expert insights and technical resources for engineers and procurement professionals.

Order the AT27C256R-70PI today and experience reliable, authentic memory solutions backed by HQICKEY's commitment to quality and customer support.

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 ~ 85°C (TC)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 28-DIP (0.600", 15.24mm)
Supplier Device Package 28-PDIP