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CD74HCT4538MT 数据表(PDF) 7 Page - Texas Instruments |
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CD74HCT4538MT 数据表(HTML) 7 Page - Texas Instruments |
7 / 20 page 7 Switching Specifications CL = 50pF, Input tr, tf = 6ns, RX = 10KΩ, CX = 0 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 tPLH CL = 50pF A, B to Q 2 - - 250 - 315 - 375 ns 4.5 - - 50 - 63 - 75 ns CL = 15pF 5 - 21 - - - - - ns CL = 50pF 6 - - 43 - 54 - 64 ns A, B to QtPHL CL = 50pF 2 - - 250 - 315 - 375 ns 4.5 - - 50 - 63 - 75 ns CL = 15pF 5 - 21 - - - - - ns CL = 50pF 6 - - 43 - 54 - 64 ns R to Q tPHL CL = 50pF 2 - - 250 - 315 - 375 ns 4.5 - - 50 - 63 - 75 ns CL = 15pF 5 - 21 - - - - - ns CL = 50pF 6 - - 43 - 54 - 64 ns R to QtPLH CL = 50pF 2 - - 250 - 315 - 375 ns 4.5 - - 50 - 63 - 75 ns CL = 15pF 5 - 21 - - - - - ns CL = 50pF 6 - - 43 - 54 - 64 ns Output Transition Time tTLH, tTHL CL = 50pF 2 - - 75 - 95 - 110 ns 4.5 - - 15 - 19 - 22 ns 6 - - 13 - 16 - 19 ns Output Pulse Width RX = 10k, CX = 0.1µF τ CL = 50pF 3 0.64 - 0.78 0.612 0.812 0.605 0.819 ms 5 0.63 - 0.77 0.602 0.798 0.595 0.805 ms Output Pulse Width Match, Same Package -- - ±1- - - - - % Power Dissipation Capacitance (Notes 8, 9) CPD CL = 15pF 5 - 136 - - - - - pF Input Capacitance CI CL = 50pF - 10 - 10 - 10 - 10 pF HCT TYPES Propagation Delay tPLH A, B to Q CL = 50pF 4.5 - - 55 - 69 - 83 ns CL = 15pF 5 - 23 - - - - - ns A, B to QtPHL CL = 50pF 4.5 - - 55 - 69 - 83 ns CL = 15pF 5 - 23 - - - - - ns CD54HC4538, CD74HC4538, CD54HCT4538, CD74HCT4538 |
类似零件编号 - CD74HCT4538MT |
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类似说明 - CD74HCT4538MT |
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