onsemi FM93C66EN

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FM93C66EN - 4Kbit Microwire EEPROM Memory IC by onsemi

The FM93C66EN is a high-reliability 4Kbit EEPROM memory IC from onsemi, designed for applications requiring non-volatile data storage with Microwire serial interface. This authentic component features a 256 x 16 memory organization and operates at 1MHz clock frequency, making it ideal for embedded systems, industrial controls, and automotive applications.

Key Features & Benefits

  • Non-Volatile Memory: Retains data without power, perfect for configuration storage and data logging
  • Microwire Interface: Simple 3-wire serial communication reduces pin count and PCB complexity
  • Wide Operating Range: Functions reliably from -40°C to 85°C for industrial and automotive environments
  • Low Power Operation: 4.5V to 5.5V supply voltage for energy-efficient designs
  • Through-Hole Package: 8-DIP format for easy prototyping and reliable connections

Applications

The FM93C66EN is commonly used in automotive electronics, industrial control systems, consumer electronics, medical devices, and telecommunications equipment where reliable non-volatile memory storage is essential.

Why Choose HQICKEY?

At HQICKEY, we source all components directly from authorized distributors, ensuring 100% authenticity and reliability. Every FM93C66EN chip is quality-tested and comes with full traceability documentation.

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Product attributes Property Value
Manufacturer onsemi
Product Series
Packaging Tube |
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 4Kbit
Memory Organization 256 x 16
Memory Interface Microwire
Clock Frequency 1 MHz
Write Cycle Time - Word, Page 10ms
Access Time -
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP