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74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC
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- Rs. 13
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74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC
The 74HC Series 74HC74 device contains two independent positive-edge-triggered D flip-flops with complementary outputs. The information on the D input is accepted by the flip-flops on the positive-going edge of the clock pulse. The triggering occurs at a voltage level and is not directly related to the transition time of the rising edge of the clock.
The data on the D input may be changed while the clock is LOW or HIGH without affecting the outputs as long as the data setup and hold times are not violated. A low logic level on the preset or clear inputs will set or reset the outputs regardless of the logic levels of the other inputs.
Pinout:

Input (1D, 2D) | 2, 12 |
Inverting Output (1Q', 2Q') | 6, 8 |
Non-Inverting (1Q, 2Q) | 5, 9 |
Clock (1CLK, 2CLK) | 3, 11 |
Enable Pin (ENP, ENT) | 4, 10 |
RESET (R') | 1,13 |
Power Supply (VCC) | 14 |
Ground (GND) | 7 |
Application:
- Ultrasound System
- Fans
- Lab Instrumentation
- Vacuum Cleaners
- Video Communications System
- IP Phone: Wired
Package Includes:
Selected qty of IC - 74HC74
Specifications:
Supply Voltage (VCC) | 7 V |
Input Voltage (VI) | 7 V |
Operating free-air temperature range | 0°C to +70°C |
Storage temperature range | –65°C to +150°C |
ADDITIONAL RESOURCES
Related Blogs
1. What is a 74HC74 dual D type flip flop?
- The 74HC74 device contains two independent positive-edge-triggered D flip-flops with complementary outputs. The flip-flops receive the data from the D input on the clock pulse's positive-going edge. The triggering takes place at a voltage level and is not correlated with the rising edge of the clock's transition time.
2. Which pins of 74HC74 IC are used for giving clock signals?
- The pin 3 should be provided with a clock source normally a PWM signal from an MCU or 555 timers is used. The pin can be used to clear the data and reset the flip flop by making it high.
Customer Reviews
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- 29-06-2022
Great product
Great product
- 29-06-2022
Good product
Good product
- 29-06-2022
Excellent product
great product. Reached on time.
- 29-06-2022
Cheap - easy to use
Cheap - easy to use
- 29-06-2022
wonderful product
wonderful product