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CD54HCT74

Features: * Hysteresis on Clock Inputs for Improved Noiseimmunity and Increased Input Rise and Fall Times* Asynchronous Set and Reset* Complementary Outputs* Buffered Inputs* Typical fMAX = 50MHz at V = 5VL, CCC = 15pF, TA = 25* Fanout (Over Temperature Range)- Standard Outputs. . . . . . . . . . ...

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SeekIC No. : 004311819 Detail

CD54HCT74: Features: * Hysteresis on Clock Inputs for Improved Noiseimmunity and Increased Input Rise and Fall Times* Asynchronous Set and Reset* Complementary Outputs* Buffered Inputs* Typical fMAX = 50MHz at...

CD54HCT74 Data Sheet

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Part Number:
CD54HCT74
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

* Hysteresis on Clock Inputs for Improved Noise immunity and Increased Input Rise and Fall Times
* Asynchronous Set and Reset
* Complementary Outputs
* Buffered Inputs
* Typical fMAX  = 50MHz at V  = 5VL, CCC  = 15pF,
  TA  = 25
* Fanout (Over Temperature Range)
- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
* Wide Operating Temperature Range . . . -55 to 125
* Balanced Propagation Delay and Transition Times
* Significant Power Reduction Compared to LSTTL Logic ICs
* HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
 at VCC = 5V
* HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,VIL = 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il 1 A at VOL, VOH

    
 



Pinout

Connection Diagram


Specifications

DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
DC Input Diode Current, IIK
For VI < -0.5V or VI  > VCC  + 0.5V  . . . . . . . . . . . . . . . . .. . .±20mA
DC Drain Current, per Output, IO
For -0.5V < VO  < VCC  + 0.5V  . . . . . . . . . . . . . . . . . . . .  . . .±25mA
DC Output Diode Current, IOK
For VO  < -0.5V or VO  > VCC  + 0.5V . . . . . . . . . . . . . . . . . . .±20mA
DC Output Source or Sink Current per Output Pin, IO
For VO  > -0.5V or VCC  < V  + 0.5V   . . . . . . . . . . . . . . . . . . . .±25mA
DC VCC  or Ground Current, ICC  . . . . . . . . . . . . . . . . . . . . . . .±50mA



Description

The 'HC74 and 'HCT74 utilize silicon gate CMOS technology to achieve operating speeds equivalent to LSTTL parts.They exhibit the low power consumption of standard CMOS integrated circuits, together with the ability to drive 10 LSTTL loads.

This flip-flop has independent DATA, SET, RESET and CLOCK inputs and Q and Q outputs. The CD54HCT74 logic level present at the data input is ransferred to the output during the positive-going transition of the clock pulse. SET and RESET are independent of the clock and are accomplished by a low  evel at the appropriate input.

The HCT logic family is functionally as well as pin compatible with the standard LS logic family.

 


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