SN74F109DR

Flip Flops Overview

The SN74F109DR is a dual positive-edge-triggered J-K flip-flop from the Texas Instruments SN74F logic series. It features TTL inputs and outputs, housed in a 16-pin SOIC-Narrow surface-mount package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of 0°C to +70°C. Key electrical parameters include a propagation delay of 8 ns, a high-level output current of -1 mA, and a low-level output current of 20 mA.

Flip Flops Feature Summary

• Dual positive-edge-triggered J-K flip-flop configuration with set and reset capabilities.
• TTL-compatible input and output interfaces for standard logic integration.
• Surface-mount packaging designed for automated PCB assembly processes.

Flip Flops Applications

• Digital counting circuits requiring state storage and transition control.
• Frequency division networks utilizing toggle mode operations.
• Data register stages for temporary binary information retention.

Flip Flops Procurement Notes

Verify the specific ordering suffix 'DR' corresponds to the tape-and-reel packaging format required for your production line. Confirm that the manufacturer designation matches Texas Instruments specifications. Ensure the component meets RoHS compliance requirements for your target market regulations before finalizing procurement orders.

Flip Flops Selection Notes

Select this component when high-speed switching is required within standard 5V logic systems. The F-series offers faster performance compared to LS or HC variants. Ensure the design accommodates the specified 20 mA low-level sink current capability. Verify that the 16-pin narrow SOIC footprint aligns with the available board space constraints.

Flip Flops Part Context

This part belongs to the SN74F family, known for high-speed bipolar transistor technology. It serves as a fundamental sequential logic element within broader digital system architectures. The device provides essential state-holding functionality for complex timing sequences and data processing tasks in industrial and consumer electronics applications.

Flip Flops Replacement Considerations

SN74F109D

Flip Flops FAQ

What is the trigger type for the SN74F109DR?

The device utilizes a positive-edge trigger mechanism for clock signal activation.

Does the SN74F109DR include preset and clear functions?

Yes, the internal circuitry supports both set (preset) and reset (clear) operations independent of the clock edge.