SN74HC73 Dual J-K Flip-Flop with Clear, 74HC Logic IC
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Prices updated: 13 Oct 2026
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About this product
The SN74HC73 is a 74HC-series logic IC containing two independent J-K flip-flops, each with a clear (reset) input. It is used in counters, shift registers, frequency division and data storage in learning and prototype circuits.
Specifications
- Logic family
- 74HC (CMOS high-speed)
- Function
- Dual J-K flip-flop with clear
- Clock trigger
- Negative-edge
- Supply voltage
- 2 V to 6 V
- Pin count
- 14
Frequently asked questions
Which pins are power and ground?
On the 14-pin package, VCC is pin 14 and GND is pin 7. Place a 100 nF decoupling capacitor close to these pins.
Can I use it with 3.3 V or 5 V circuits?
Yes. The supply range is 2 V to 6 V, so it works with both 3.3 V and 5 V systems. Keep input signals within the supply voltage.
