74F109PC

Flip Flops Overview

The Fairchild Semiconductor 74F109PC is a dual positive edge-triggered J-K flip-flop housed in a 16-pin plastic DIP package. It operates within a supply voltage range of 4.5V to 5.5V and supports a maximum clock frequency of 90 MHz at nominal supply with a 50 pF load. The device features complementary outputs, set and reset functions, and an operating temperature range from 0°C to 70°C.

Flip Flops Feature Summary

• Dual positive edge-triggered J-K flip-flop architecture
• Complementary output configuration for versatile logic interfacing
• Integrated set and reset control functions

Flip Flops Applications

• Digital counter circuits
• Shift register implementations
• Frequency division networks

Flip Flops Procurement Notes

Verify the specific manufacturer suffix against current datasheets to confirm pinout compatibility and electrical characteristics. Ensure the component meets RoHS compliance requirements if mandated by your assembly standards. Cross-reference the package dimensions with your PCB footprint specifications prior to procurement.

Flip Flops Selection Notes

Select this component for standard TTL-compatible logic applications requiring dual J-K functionality. Consider the 90 MHz speed limit and 50 pF load capacitance when designing high-speed timing circuits. Evaluate thermal performance within the specified 0°C to 70°C operational range for your intended environment.

Flip Flops Part Context

This part belongs to the 74F series of high-speed logic integrated circuits. It serves as a fundamental building block for sequential logic design, providing reliable state storage and transition capabilities in digital systems. The 16-pin DIP format facilitates through-hole prototyping and legacy system integration.

Flip Flops Replacement Considerations

• SN74F109D (Texas Instruments)
• SN74F109DR (Texas Instruments)