CD74HC73E-NG

Overview

The CD74HC73E-NG is a dual negative-edge-triggered J-K flip-flop manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features complementary Q and Q outputs. The device utilizes silicon gate CMOS technology for high-speed performance, with a propagation delay of 15 ns at 5 V. It supports a low-level output current of 5.2 mA and a high-level output current of -5.2 mA. The component functions reliably across an extended temperature range from -55°C to +125°C and is housed in a 14-pin PDIP package.

Feature Summary

• Dual independent J-K flip-flops with dedicated reset inputs
• Negative-edge triggering mechanism for precise clock synchronization
• Complementary Q and Q outputs for versatile logic interfacing
• High-speed CMOS construction ensuring low static power consumption

Applications

• Digital data storage and register circuits
• Frequency division and counter logic designs
• State machine implementation in control systems
• Pulse width modulation signal processing

Procurement Notes

Verify the specific ordering suffix 'NG' against the manufacturer's official documentation to confirm pin compatibility and mechanical dimensions. Ensure the selected variant matches the required package type and thermal specifications for the target application environment. Cross-reference the datasheet revision history to validate electrical characteristics before finalizing procurement decisions.

Selection Notes

Select this component when designing circuits requiring dual independent flip-flops with negative-edge triggering capabilities. The wide operating voltage range and extended temperature tolerance make it suitable for industrial applications. Consider the propagation delay and output drive strength requirements to ensure signal integrity within the system timing constraints.

Part Context

This part belongs to the Texas Instruments 74HC family of high-speed CMOS logic integrated circuits. The family utilizes advanced silicon gate technology to deliver fast switching speeds while maintaining low power dissipation. The CD74HC73E-NG specifically provides dual J-K functionality, serving as a fundamental building block for sequential logic design in digital electronics.

Replacement Considerations

CD74HC73E

FAQ

What is the trigger edge for the CD74HC73E-NG?

The device is triggered on the negative edge of the clock signal.

Does the CD74HC73E-NG include reset functionality?

Yes, each flip-flop includes a dedicated reset input.