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  • 74LS74 Dual D-type Positive Edge-triggered Flip-Flops IC (7474 IC) DIP-14 Package

The 74LS74 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. 


Two Independent Negative Edge Triggered JK Flip-Flops

Standard Pin Arrangement

Fast Switching Times

Operating Temperature up to 70°C

Standard TTL Switching Voltages


Parameter Specification
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

Related Document:-

 74LS74 IC Datasheet

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74LS74 Dual D-type Positive Edge-triggered Flip-Flops IC (7474 IC) DIP-14 Package

  • Product Code: EC-0397
  • Availability: 2138
  • Rs.20.00