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74HCT73 데이터시트(PDF) 9 Page - NXP Semiconductors |
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74HCT73 데이터시트(HTML) 9 Page - NXP Semiconductors |
9 / 7 page 9397 750 13815 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 03 — 12 November 2004 9 of 21 Philips Semiconductors 74HC73 Dual JK flip-flop with reset; negative-edge trigger 11. Dynamic characteristics Table 8: Dynamic characteristics GND = 0 V; tr =tf = 6 ns; CL = 50 pF; see Figure 8. Symbol Parameter Conditions Min Typ Max Unit Tamb = 25 °C tPHL, tPLH propagation delay nCP to nQ see Figure 6 VCC = 2.0 V - 52 160 ns VCC = 4.5 V - 19 32 ns VCC = 6.0 V - 15 27 ns VCC = 5.0 V; CL =15pF - 16 - ns propagation delay nCP to nQ see Figure 6 VCC = 2.0 V - 52 160 ns VCC = 4.5 V - 19 32 ns VCC = 6.0 V - 15 27 ns VCC = 5.0 V; CL =15pF - 16 - ns propagation delay nR to nQ, nQ see Figure 7 VCC = 2.0 V - 50 145 ns VCC = 4.5 V - 18 29 ns VCC = 6.0 V - 14 25 ns VCC = 5.0 V; CL =15pF - 15 - ns tTHL, tTLH output transition time see Figure 6 VCC = 2.0 V - 19 75 ns VCC = 4.5 V - 7 15 ns VCC = 6.0 V - 6 13 ns tW nCP clock pulse width HIGH or LOW see Figure 6 VCC = 2.0 V 80 22 - ns VCC = 4.5 V 16 8 - ns VCC = 6.0 V 14 6 - ns nR reset pulse width HIGH or LOW see Figure 7 VCC = 2.0 V 80 22 - ns VCC = 4.5 V 16 8 - ns VCC = 6.0 V 14 6 - ns trem removal time nR to nCP see Figure 7 VCC = 2.0 V 80 22 - ns VCC = 4.5 V 16 8 - ns VCC = 6.0 V 14 6 - ns tsu set-up time nJ, nK to nCP see Figure 6 VCC = 2.0 V 80 22 - ns VCC = 4.5 V 16 8 - ns VCC = 6.0 V 14 6 - ns |
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