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SN74HCT14QPWRQ1 Scheda tecnica(PDF) 3 Page - Texas Instruments |
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SN74HCT14QPWRQ1 Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 8 page SN74HCT14Q1 HEX SCHMITT TRIGGER INVERTER SCLS588A − JULY 2004 − REVISED APRIL 2008 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX UNIT tpd A Y 4.5 V 20 32 48 ns tpd A Y 5.5 V 18 30 45 ns tt Y 4.5 V 7 15 22 ns tt Y 5.5 V 6 14 20 ns operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load 10 pF PARAMETER MEASUREMENT INFORMATION VOLTAGE WAVEFORM INPUT RISE AND FALL TIMES VOLTAGE WAVEFORMS PROPAGATION DELAY AND OUTPUT RISE AND FALL TIMES 1.3 V 1.3 V 1.3 V 10% 10% 90% 90% 3 V VOH VOL 0 V tr tf Input In-Phase Output 1.3 V tPLH tPHL 1.3 V 1.3 V 10% 10% 90% 90% VOH VOL tr tf tPHL tPLH Out-of-Phase Output Test Point From Output Under Test LOAD CIRCUIT NOTES: A. CL includes probe and test-fixture capacitance. B. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr = 6 ns, tf = 6 ns. C. The outputs are measured one at a time, with one input transition per measurement. D. tPLH and tPHL are the same as tpd. CL = 50 pF (see Note A) 1.3 V 1.3 V 10% 10% 90% 90% VCC 0 V tr tf Input Figure 1. Load Circuit and Voltage Waveforms |
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