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74FCT534 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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74FCT534 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
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4 / 8 page  DC Characteristics for ’FCT Family Devices (Continued) Typical values are at VCC e 50V 25 C ambient and maximum loading For test conditions shown as Max use the value specified for the appropriate device type Com VCC e 50V g5% TA e 0 Cto a70 C VHC e VCC b 02V Symbol Parameter 74FCT Units Conditions Min Typ Max ICC Maximum Quiescent VCC e Max Supply Current 10 400 m AVIN t VHC VIN s 02V fI e 0 D ICC Quiescent Supply Current 05 20 mA VCC e Max TTL Inputs HIGH VIN e 34V (Note 3) ICCD Dynamic Power VCC e Max VIN t VHC Supply Current (Note 4) 015 025 mAMHz Outputs Open VIN s 02V OE e GND One Input Toggling 50% Duty Cycle IC Total Power Supply VCC e Max VIN t VHC Current (Note 6) 15 40 Outputs Open VIN s 02V fCP e 10 MHz OE e GND fI e 5 MHz VIN e 34V 18 60 One Bit Toggling VIN e GND mA 50% Duty Cycle (Note 5) VIN t VHC VCC e Max VIN s 02V 30 78 Outputs Open OE e GND fCP e 10 MHz fI e 25 MHz VIN e 34V 50 168 Eight Bits Toggling VIN e GND 50% Duty Cycle VH Input Hysteresis 200 mV on Clock Only Note 1 Maximum test duration not to exceed one second not more than one output shorted at one time Note 2 This parameter guaranteed but not tested Note 3 Per TTL driven input (VIN e 34V) all other inputs at VCC or GND Note 4 This parameter is not directly testable but is derived for use in Total Power Supply calculations Note 5 Values for these conditions are examples of the ICC formula These limits are guaranteed but not tested Note 6 IC e IQUIESCENT a IINPUTS a IDYNAMIC IC e ICC a DICC DHNT a ICCD (fCP 2 a fI NI) ICC e Quiescent Current D ICC e Power Supply Current for a TTL High Input (VIN e 34V) DH e Duty Cycle for TTL inputs High NT e Number of Inputs at DH ICCD e Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fCP e Clock Frequency for Register Devices (Zero for Non-Register Devices) fI e Input Frequency NI e Numbers of Inputs at fI All currents are in milliamps and all frequencies are in megahertz 4 |
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