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CD74HC163 Datasheet(PDF) 6 Page - Texas Instruments |
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CD74HC163 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 10 page 6 Hold Time, SPE to CP tH - 4.5 3 - - 3 - 3 - ns Recovery Time, MR to CP (161) tREC - 4.5 15 - - 19 - 22 - ns NOTE: 7. Applies to non-cascaded operation only. With cascaded counters clock to terminal count propagation delays, count enables (PE or TE)- to-clock setup times, and count enables (PE or TE)-to-clock hold times determine maximum clock frequency. For example with these HC devices: Prerequisite For Switching Specifications (Continued) PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN MAX MIN MAX f MAX (CP) 1 CP-to-TC prop. delay TE-to-CP setup TE-to-CP Hold ++ ----------------------------------------------------------------------------------------------------------------------------------------------------- 1 37 10 0 ++ ----------------------------- 21MHz min () ≈ == Switching Specifications CL = 50pF, Input tr, tf = 6ns PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN MAX MIN MAX HC TYPES Propagation Delay tPHL, tPLH CL = 50pF CP to TC 2 - - 185 - 230 - 280 ns 4.5 - - 37 - 46 - 56 ns CL = 15pF 5 - 15 - - - - - ns CL = 50pF 6 - - 31 - 39 - 48 ns CP to Qn tPHL, tPLH CL = 50pF 2 - - 185 - 230 - 280 ns 4.5 - - 37 - 46 - 56 ns CL = 15pF 5 - 15 - - - - - ns CL = 50pF 6 - - 31 - 39 - 48 ns TE to TC tPHL, tPLH CL = 50pF 2 - - 120 - 150 - 180 ns 4.5 - - 24 - 30 - 36 ns CL = 15pF 5 - 9 - - - - - ns CL = 50pF 6 - - 20 - 26 - 31 ns MR to Qn (161) tPHL CL = 50pF 2 - - 210 - 265 - 315 ns 4.5 - - 42 - 53 - 63 ns CL = 15pF 5 - 18 - - - - - ns CL = 50pF 6 - - 36 - 45 - 54 ns MR to TC (161) tPHL CL = 50pF 2 - - 210 - 265 - 315 ns 4.5 - - 42 - 53 - 63 ns CL = 50pF 6 - - 36 - 45 - 54 ns Output Transition Time tTHL, tTLH CL = 50pF 2 - - 75 - 95 - 110 ns 4.5 - - 15 - 19 - 22 ns 6 - - 13 - 16 - 19 ns Power Dissipation Capacitance (Notes 8, 9) CPD -5 - 60 - - - - - pF CD74HC161, CD74HCT161, CD74HC163, CD74HCT163 |
Número de pieza similar - CD74HC163 |
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Descripción similar - CD74HC163 |
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