Microchip Technology AT27C256R-55JI

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The AT27C256R-55JI is a high-performance 256Kbit EPROM (Erasable Programmable Read-Only Memory) manufactured by Microchip Technology, designed for industrial and embedded applications requiring reliable non-volatile memory storage. This OTP (One-Time Programmable) EPROM chip delivers fast 55ns access time and operates across a wide industrial temperature range from -40°C to 85°C.

Key Features & Benefits:

  • 256Kbit Memory Capacity: Organized as 32K x 8, providing ample storage for firmware, boot code, and configuration data
  • Fast Access Time: 55ns access speed ensures quick data retrieval for time-critical applications
  • Industrial Temperature Range: Operates reliably from -40°C to 85°C (TC), ideal for harsh environments
  • Parallel Interface: Standard parallel memory interface for easy integration with microcontrollers and processors
  • Surface Mount Package: 32-PLCC (13.97x11.43mm) J-Lead package saves board space and enables automated assembly
  • Wide Voltage Range: 4.5V to 5.5V supply voltage for compatibility with standard 5V systems
  • OTP Technology: One-Time Programmable EPROM ensures data security and prevents unauthorized modifications

Applications:

This EPROM memory chip is perfect for embedded systems, industrial controllers, automotive electronics, telecommunications equipment, medical devices, and any application requiring permanent, reliable code storage. The non-volatile nature ensures your data remains intact even during power loss.

Technical Specifications:

Why Choose HQICKEY for Your Memory Components?

At HQICKEY, we specialize in providing authentic semiconductor components from trusted manufacturers like Microchip Technology. Our rigorous quality control ensures you receive genuine parts with full traceability and technical support.

Related Products & Resources:

  • Explore our complete Memory Collection for EPROM, EEPROM, Flash, and SRAM solutions
  • Visit HQICKEY for our full semiconductor catalog and electronic components
  • Read our Technical Blog for application notes, design tips, and industry insights

Order your AT27C256R-55JI EPROM today and benefit from fast shipping, competitive pricing, and expert technical support from HQICKEY's semiconductor specialists.

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 55 ns
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TC)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 32-LCC (J-Lead)
Supplier Device Package 32-PLCC (13.97x11.43)