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Part Number: CD54HC74
Description: The 'HC74 and 'HCT74 utilize silicon gate CMOS technologyto achieve operating...
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CD54HC74
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General Description
CD54HC74 General 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 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.
CD54HC74 Maximum Ratings
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
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
CD54HC74 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
* 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
CD54HC74 Connection Diagram
CD510825
PDF/DataSheet Download
- Datasheet: CD510825
- File Size: 79977 KB
- Manufacturer: POWEREX [Powerex Power Semiconductors]
- Click here to Download
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