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74VHCT540A Scheda tecnica(PDF) 5 Page - Fairchild Semiconductor |
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74VHCT540A Scheda tecnica(HTML) 5 Page - Fairchild Semiconductor |
5 / 9 page ©1997 Fairchild Semiconductor Corporation www.fairchildsemi.com 74VHCT540A Rev. 1.3 5 AC Electrical Characteristics Notes: 7. Parameter guaranteed by design. tOSLH = |tPLHmax – tPLHmin|; tOSLH = |tPHLmax – tPHLmin| 8. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating c urrent consumption without load. Average operating current can be obtained by the equation: ICC (Opr.) = CPD • VCC • fIN + ICC / 8 (per bit). Symbol Parameter VCC (V) Conditions TA = 25°C TA = –40°C to +85°C Units Min. Typ. Max. Min. Max. tPLH, tPHL Propagation Delay Time 5.0 ± 0.5 CL = 15pF 5.4 7.4 1.0 8.5 ns CL = 50pF 5.9 8.4 1.0 9.5 tPZL, tPZH 3-STATE Output Enable Time 5.0 ± 0.5 RL = 1kΩ CL = 15pF 8.3 11.3 1.0 13.0 ns CL = 50pF 8.8 12.3 1.0 14.0 tPLZ, tPHZ 3-STATE Output Disable Time 5.0 ± 0.5 RL = 1kΩ CL = 50pF 9.4 11.9 1.0 13.5 ns tOSLH, tOSHL Output to Output Skew 5.0 ± 0.5 (7) CL = 50pF 1.0 1.0 ns CIN Input Capacitance VCC = Open 4 10 10 pF COUT Output Capacitance VCC = 5.0V 9 pF CPD Power Dissipation Capacitance (8) 19 pF |
Codice articolo simile - 74VHCT540A_07 |
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Descrizione simile - 74VHCT540A_07 |
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