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CD74HC123PWG4 Datasheet(PDF) 6 Page - Texas Instruments |
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CD74HC123PWG4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 19 page 6 Switching Specifications Input tr, tf = 6ns, RX = 10KΩ, CX = 0 PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNIT S MIN TYP MAX MIN MAX MIN MAX HC TYPES Trigger Propagation Delay tPLH CL = 50pF A, B, R to Q 2 - - 300 - 375 - 450 ns 4.5 - - 60 - 75 - 90 ns CL = 15pF 5 - 25 - - - - - ns CL = 50pF 6 - - 51 - 64 - 76 ns A, B, R to QtPHL CL = 50pF 2 - - 320 - 400 - 480 ns 4.5 - - 64 - 80 - 96 ns CL = 15pF 5 - 26 - - - - - ns CL = 50pF 6 - - 54 - 68 - 82 ns Reset Propagation Delay tPHL,tPLH CL = 50pF 2 - - 215 - 270 - 325 ns R to Q or Q 4.5 - - 43 - 54 - 65 ns 6 - - 37 - 46 - 55 ns Output Transition Time tTHL, tTLH CL = 50pF 2 - - 75 - 95 - 110 ns 4.5 - - 15 - 19 - 22 ns 6 - - 13 - 16 - 19 ns Output Pulse Width RX = 10KΩ, CX = 10nF - - 5 - 45 - - - - - µs Pulse Width Match Between Circuits In the Same Package RX = 10KΩ, CX = 10pF -- 5 - ±2- - - - - % Power Dissipation Capacitance (Note 4) CPD CL = 15pF 5 - - - - - - - pF Input Capacitance CIN CL = 50pF - 10 - 10 - 10 - 10 pF HCT TYPES Trigger Propagation Delay A, B, R to Q tPLH CL = 50pF 4.5 - - 60 - 75 - 90 ns CL = 15pF 5 - 25 - - - - - ns A, B, R to QtPHL CL = 50pF 4.5 - - 68 - 85 - 102 ns CL =15pF 5 - 27 - - - - - ns Reset Propagation Delay R to Q or Q tPHL,tPLH CL = 50pF 4.5 - - 48 - 60 - 72 ns Output Transition Time tTHL, tTLH CL = 50pF 4.5 - - 15 - 19 - 22 ns Output Pulse Width RX = 10KΩ, CX = 10nF - - 5 - 45 - - - - - µs CD54/74HC123, CD54/74HCT123, CD74HC423, CD74HCT423 |
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