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74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC

74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC-Robocraze
74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC-Robocraze
74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC-Robocraze
  • 74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC-Robocraze
  • 74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC-Robocraze
  • 74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC-Robocraze

74HC74 - Dual D-type Positive Edge-triggered Flip-Flops IC

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  • Two Independent Negative Edge Triggered JK Flip-Flops
  • Standard Pin Arrangement
  • 4-bit Bistable Latch in a 16-Pin DIP Package
  • Outputs Directly Interface to CMOS, NMOS and TTL
  • Operating Temperature up to 70°C
  • Standard TTL Switching Voltages and symmetrical output characteristics

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:

Pinout Of 74HC74 IC
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.