(China (Mainland))
Product Summary
The SN74F74DR is a dual positive-edge-triggered d-type flip-flop with clear and preset. The SN74F74DR contains two independent positive-edge-triggered D-type flip-flops. A low level at the preset (PRE) or clear (CLR) inputs sets or resets the outputs regardless of the levels of the other inputs. When PRE and CLR are inactive (high), data at the data (D) input meeting the setup time requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at the D input may be changed without affecting the levels at the outputs.
Parametrics
SN74F74DR absolute maximum ratings: (1)Supply voltage range, VCC: –0.5V to 7V; (2)Input voltage range, VI: –1.2 V to 7 V; (3)Input current range: –30 mA to 5 mA; (4)Voltage range applied to any output in the high state:–0.5 V to VCC; (5)Current into any output in the low state: 40 mA; (6)Operating free-air temperature range:0℃ to 70℃; (7)Storage temperature range:–65℃ to 150℃.
Features
SN74F74DR feature: Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs.
Diagrams
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 SN74F74DR |
Texas Instruments |
Flip Flops Dual |
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SN74F74DRE4 |
Texas Instruments |
Flip Flops Dual Pos-Edge-Trig D-Type Flip-Flop |
Data Sheet |
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SN74F74DRG4 |
Texas Instruments |
Flip Flops Dual Pos-Edge-Trig D-Type Flip-Flop |
Data Sheet |
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