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AT27C040-90JI - High-Reliability 4Mbit EPROM Memory IC

The AT27C040-90JI from Microchip Technology is a high-performance 4Mbit EPROM (Erasable Programmable Read-Only Memory) designed for mission-critical embedded systems requiring non-volatile memory storage. This industrial-grade memory IC features a 90ns access time and 512K x 8 memory organization, making it ideal for aerospace, automotive, telecommunications, and industrial control applications.

Key Features & Benefits

  • 4Mbit Memory Capacity: 512K x 8 organization provides ample storage for firmware, configuration data, and program code
  • Fast 90ns Access Time: Ensures rapid data retrieval for time-sensitive applications
  • Parallel Interface: Simplifies integration with legacy and modern microcontroller systems
  • Industrial Temperature Range: Operates reliably from -40°C to 85°C (TC) for harsh environments
  • OTP Technology: One-Time Programmable EPROM ensures data integrity and security
  • Wide Voltage Range: 4.5V to 5.5V supply voltage for flexible system design
  • Surface Mount Package: 32-PLCC (13.97x11.43mm) J-Lead package for automated assembly

Applications

This EPROM memory IC is perfectly suited for embedded systems in aerospace avionics, automotive ECUs, industrial automation controllers, medical devices, and telecommunications equipment where reliable non-volatile memory storage is essential.

Why Choose HQICKEY for Memory Semiconductors?

At HQICKEY, we specialize in providing premium memory semiconductor devices for mission-critical applications. Our extensive catalog includes EEPROM, Flash, DRAM, SRAM, and EPROM solutions from leading manufacturers, ensuring you have access to the highest quality components for your embedded systems.

Explore our complete range of memory solutions or visit our news blog for the latest semiconductor industry insights, technical articles, and product announcements.

Product attributes Property Value
Manufacturer Microchip Technology
Product Series AT27C040
Packaging Tube
Memory Type Non-Volatile
Memory Format EPROM
Technology EPROM - OTP
Memory Size 4Mbit
Memory Organization 512K 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 Industrial
Qualification -
Mounting Type Surface Mount
Package / Case 32-LCC (J-Lead)
Supplier Device Package 32-PLCC (13.97x11.43)