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54FCT245FMQB Folha de dados(PDF) 4 Page - National Semiconductor (TI) |
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54FCT245FMQB Folha de dados(HTML) 4 Page - National Semiconductor (TI) |
4 / 8 page AC Electrical Characteristics Symbol Parameter 54FCT Units Fig. No. T A = −55˚C to +125˚C V CC = 4.5V– 5.5V C L = 50 pF Min Max t PLH Propagation Delay 1.5 7.5 ns Figure 4 t PHL Data to Outputs 1.5 7.5 t PZH Output Enable 1.5 10.0 ns Figure 5 t PZL Time 1.5 10.0 t PHZ Output Disable 1.5 10.0 ns Figure 5 t PLZ Time 1.5 10.0 Capacitance Symbol Parameter Max Units Conditions T A = 25˚C C IN Input Capacitance 10.0 pF V CC = 0V (OE , T/R) C I/O (Note 4) I/O Capacitance 12.0 pF V CC = 5.0V (An,Bn) Note 4: CI/O is measured at frequency f = 1 MHz, per MIL-STD-883B, Method 3012. AC Loading DS100950-6 *Includes jig and probe capacitance FIGURE 1. Standard AC Test Load DS100950-7 FIGURE 2. Test Input Signal Levels Amplitude Rep. Rate t w t r t f 3.0V 1 MHz 500 ns 2.5 ns 2.5 ns FIGURE 3. Test Input Signal Requirements www.national.com 4 |
Nº de peça semelhante - 54FCT245FMQB |
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Descrição semelhante - 54FCT245FMQB |
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