onsemi FM93CS66N

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FM93CS66N - 4Kbit EEPROM Memory IC with Microwire Interface

The FM93CS66N is a high-performance 4Kbit EEPROM memory integrated circuit manufactured by onsemi, designed for reliable non-volatile data storage in embedded systems and microcontroller applications. This authentic semiconductor component features a Microwire serial interface for efficient communication and compact integration.

Key Features & Benefits

  • 4Kbit Memory Capacity: 256 x 16 organization provides flexible data storage for configuration settings, calibration data, and system parameters
  • Microwire Serial Interface: Industry-standard protocol enables simple 3-wire communication with microcontrollers and processors
  • Wide Operating Voltage: 4.5V to 5.5V supply range ensures compatibility with standard 5V logic systems
  • Fast Clock Frequency: 1 MHz operation delivers quick read/write cycles for time-sensitive applications
  • Through-Hole Package: 8-DIP (0.300", 7.62mm) format simplifies prototyping, testing, and manual assembly
  • Industrial Temperature Range: 0°C to 70°C (TA) operation suits commercial and industrial environments
  • 10ms Write Cycle: Efficient programming time balances speed and reliability

Ideal Applications

Perfect for embedded systems requiring non-volatile parameter storage, including industrial controllers, automotive electronics, consumer appliances, instrumentation, and legacy system maintenance. The FM93CS66N's proven EEPROM technology ensures data retention without power for decades.

Authentic Components with Global Support

HQICKEY supplies only genuine onsemi semiconductors with full traceability and warranty coverage. Every FM93CS66N ships with authentic packaging and documentation, backed by our commitment to quality and customer satisfaction worldwide.

Why Choose HQICKEY?

As a trusted distributor of authentic semiconductor components, we provide:

  • ✓ 100% Genuine onsemi products with full manufacturer warranty
  • ✓ Global shipping to support your projects anywhere
  • ✓ Technical documentation and datasheets included
  • ✓ Responsive customer support for design assistance
  • ✓ Competitive pricing for both prototype and production quantities

Related Products & Resources

Explore our complete range of Memory ICs and EEPROM solutions for your embedded hardware projects. Visit our homepage to discover FPGAs, microcontrollers, and other authentic components. Stay updated with the latest industry insights and product releases on our News & Technical Blog.

Order your authentic FM93CS66N EEPROM today and ensure reliable non-volatile storage for your next embedded design.

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 0°C ~ 70°C (TA)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP