SN74LS109ADR

Flip Flops Overview

The SN74LS109ADR is a dual J-K positive-edge-triggered flip-flop from the Texas Instruments SN74LS series. It integrates two independent circuits in a 16-pin SOIC-Narrow package. Key electrical parameters include a propagation delay of 40 ns, a low-level output current of 8 mA, and a high-level output current of -400 µA. The device operates within a supply voltage range of 4.75 V to 5.25 V.

Flip Flops Feature Summary

• Dual positive-edge-triggered J-K flip-flops with preset and clear functions
• TTL-compatible input and output characteristics
• Inverting and non-inverting output options

Flip Flops Applications

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

Flip Flops Procurement Notes

Verify component authenticity through authorized channels. Confirm RoHS compliance status via official datasheets. Check for obsolescence notices as availability may vary. Ensure packaging matches design requirements. Validate pinout compatibility before integration.

Flip Flops Selection Notes

Select this component for designs requiring standard LS logic speed and TTL compatibility. Consider the SOIC-Narrow package for surface-mount assembly. Evaluate power consumption against system constraints. Verify operating temperature range suitability for the application environment.

Flip Flops Part Context

This part belongs to the SN74LS family of bipolar logic devices. It provides dual flip-flop functionality in a compact surface-mount package. The LS series offers a balance between speed and power consumption suitable for general-purpose digital applications.

Flip Flops Replacement Considerations

SN74LS109ADRE4 is an equivalent variant with identical electrical specifications and functionality.