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74FCT273AT 데이터시트(PDF) 6 Page - Integrated Device Technology |
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74FCT273AT 데이터시트(HTML) 6 Page - Integrated Device Technology |
6 / 7 page MILITARYANDINDUSTRIALTEMPERATURERANGES 6 IDT54/74FCT273T/AT/CT FASTCMOSOCTALDFLIP-FLOPWITHMASTERRESET Pulse Generator R T D.U.T . V CC VIN C L VOUT 50pF 500 Ω 500 Ω 7.0V 3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL tSU tH tREM tSU tH HIGH-LOW-HIGH PULSE LOW-HIGH-LOW PULSE tW 1.5V 1.5V SAME PHASE INPUT TRANSITION 3V 1.5V 0V 1.5V VOH tPLH OUTPUT OPPOSITE PHASE INPUT TRANSITION 3V 1.5V 0V tPLH tPHL tPHL VOL CONTROL INPUT 3V 1.5V 0V 3.5V 0V OUTPUT NORMALLY LOW OUTPUT NORMALLY HIGH SWITCH CLOSED SWITCH OPEN VOL 0.3V 0.3V tPLZ tPZL tPZH tPHZ 3.5V 0V 1.5V 1.5V ENABLE DISABLE VOH PRESET CLEAR CLOCK ENABLE ETC. Octal link Octal link Octal link Octal link Octal link TEST CIRCUITS AND WAVEFORMS Propagation Delay Test Circuits for All Outputs Enable and Disable Times Set-Up, Hold, and Release Times Pulse Width NOTES: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. 2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns. Test Switch Open Drain Disable Low Closed Enable Low All Other Tests Open SWITCH POSITION DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. |
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