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CD74HC195M 数据表(PDF) 4 Page - Texas Instruments |
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CD74HC195M 数据表(HTML) 4 Page - Texas Instruments |
4 / 13 page 4 Prerequisite For Switching Function PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS MIN MAX MIN MAX MIN MAX Clock Frequency fMAX - 2 6-5-4- MHz 4.5 30 - 25 - 20 - MHz 6 35 - 29 - 23 - MHz MR Pulse Width tw - 2 80 - 100 - 120 - ns 4.5 16 - 20 - 24 - ns 6 14-17 -20- ns Clock Pulse Width tw - 2 80 - 100 - 120 - ns 4.5 16 - 20 - 24 - ns 6 14-17 -20- ns Set-up Time J, K, PE to Clock tSU - 2 100 - 125 - 150 - ns 4.5 20 - 25 - 30 - ns 6 17-21 -26- ns Hold Time J, K, PE to Clock tH - 2 3-3-3- ns 4.5 3-3-3- ns 6 5 -3-3- ns Removal Time, MR to Clock tREM - 2 80 - 100 - 120 - ns 4.5 16 - 20 - 24 - ns 6 14-17 -20- ns Switching Specifications Input tr, tf = 6ns PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS TYP MAX MAX MAX HC TYPES Propagation Delay, CP to Output tPLH, tPHL CL = 50pF 2 - 175 220 265 ns 4.5 - 35 44 53 ns 6 - 30 37 45 ns Propagation Delay, MR toOutput tPLH, tPHL CL = 50pF 2 - 150 190 225 ns 4.5 - 30 38 45 ns 6 - 26 33 38 ns Output Transition Times (Figure 1) tTLH, tTHL CL = 50pF 2 - 75 95 110 ns 4.5 - 15 19 22 ns 6 - 13 16 19 ns Input Capacitance CIN -- - 10 10 10 pF CP to Qn Propagation Delay tPLH, tPHL CL = 15pF 5 14 - - - ns MR to Qn tPHL CL = 15pF 5 13 - - - ns Maximum Clock Frequency fMAX CL = 15pF 5 50 - - - MHz Power Dissipation Capacitance (Notes 2, 3) CPD CL = 15pF 45 - - - pF NOTES: 2. CPD is used to determine the dynamic power consumption, per flip-flop. 3. PD =VCC 2 f i + ∑ (CL VCC 2 +f O) where fi = Input Frequency, fO = Output Frequency, CL = Output Load Capacitance, VCC = Supply Voltage. CD54HC195, CD74HC195 |
类似零件编号 - CD74HC195M |
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类似说明 - CD74HC195M |
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