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54FCT574F Fiches technique(PDF) 4 Page - National Semiconductor (TI) |
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54FCT574F Fiches technique(HTML) 4 Page - National Semiconductor (TI) |
4 / 7 page AC Electrical Characteristics 54FCT Fig. No. T A = −55˚C to +125˚C Symbol Parameter V CC = 4.5V to 5.5V Units C L = 50 pF Min Max t PLH Propagation Delay 2.0 11.0 ns Figure 4 t PHL CP to O n 2.0 11.0 t PZH Output Enable Time 1.5 14.0 ns Figure 6 t PZL 1.5 14.0 t PHZ Output Disable Time 1.5 8.0 ns Figure 6 t PLZ 1.5 8.0 AC Operating Requirements 54FCT T A = −55˚C to +125˚C Fig. Symbol Parameter V CC = 4.5V to 5.5V Units No. C L = 50 pF Min Max t s(H) Setup Time, HIGH 3.5 ns Figure 7 t s(L) or LOW D n to CP 3.5 t h(H) Hold Time, HIGH 2.0 ns Figure 7 t h(L) or LOW D n to CP 2.0 t w(H) Pulse Width, CP, 7.0 ns Figure 5 t w(L) HIGH or LOW 7.0 Capacitance Symbol Parameter Typ Units Conditions T A = 25˚C C IN Input Capacitance 5.0 pF V CC = 0V C OUT (Note 4) Output Capacitance 9.0 pF V CC = 5.0V Note 4: COUT is measured at frequency f = 1 MHz, per MIL-STD-883B, Method 3012. www.national.com 4 |
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