SN74F109D

Flip Flops Overview

The SN74F109D is a dual positive-edge-triggered J-K flip-flop from the Texas Instruments SN74F series. It features TTL-compatible inputs and outputs, housed in a 16-pin SOIC-Narrow package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a propagation delay of 8 ns. It includes set and reset functions, with low-level output current capability of 20 mA and high-level output current of -1 mA. The component is rated for operation between 0°C and +70°C.

Flip Flops Feature Summary

• Dual positive-edge-triggered J-K flip-flop configuration
• TTL-compatible input and output logic levels
• Integrated asynchronous set and reset control functions

Flip Flops Applications

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

Flip Flops Procurement Notes

Verify the specific ordering suffix 'D' corresponds to the SOIC-16 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected supplier provides traceable origin data matching Texas Instruments manufacturing standards for quality assurance purposes.

Flip Flops Selection Notes

Select this component for designs requiring fast switching speeds within the standard F-series performance envelope. Verify that the system power supply remains strictly within the 4.5 V to 5.5 V operational window. Ensure PCB layout accommodates the narrow SOIC footprint and thermal requirements for the specified industrial temperature range.

Flip Flops Part Context

This part belongs to the SN74F family of high-speed CMOS logic devices. It serves as a fundamental sequential logic element for state storage and data transfer applications. The dual configuration allows for compact implementation of multi-bit registers or counters within space-constrained digital systems.

Flip Flops Replacement Considerations

SN74F109DR is available as a reel-pack alternative from Texas Instruments. Cross-reference with other manufacturers' 74F109 equivalents only if pinout and electrical specifications match exactly.