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CD74ACT74EX Datasheet(PDF) 6 Page - Texas Instruments |
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CD74ACT74EX Datasheet(HTML) 6 Page - Texas Instruments |
6 / 8 page 6 Propagation Delay, R, StoQ, QtPLH 1.5 - - 120 - - 132 ns 3.3 3.8 - 13.4 3.7 - 14.7 ns 5 2.7 - 9.5 2.6 - 10.5 ns tPHL 1.5 - - 131 - - 144 ns 3.3 4.1 - 14.6 4 - 16.1 ns 5 3 - 10.4 2.9 - 11.5 ns Input Capacitance CI - - -10- -10 pF Power Dissipation Capacitance CPD (Note 16) - - 55 - - 55 - pF ACT TYPES Propagation Delay, CP to Q, QtPHL tPLH 5 (Note 15) 2.5 - 8.6 2.4 - 9.5 ns Propagation Delay, R, StoQ, QtPLH 5 3 - 10.5 2.9 - 11.5 ns tPHL 5 3.2 - 11.4 3.1 - 12.5 ns Input Capacitance CI - - -10- -10 pF Power Dissipation Capacitance CPD (Note 16) - - 55 - - 55 - pF NOTES: 13. Limits tested 100%. 14. 3.3V Min at 3.6V, Max at 3V. 15. 5V Min at 5.5V, Max at 4.5V. 16. CPD is used to determine the dynamic power consumption per flip-flop. PD =CPDVCC 2 f i + Σ (CLVCC 2 f o)+VCC ∆ICC where fi = input frequency, fo = output frequency, CL = output load capacitance, VCC = supply voltage. FIGURE 1. FIGURE 2. FIGURE 3. Switching Specifications Input tr, tf = 3ns, CL = 50pF (Worst Case) (Continued) PARAMETER SYMBOL VCC (V) -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN TYP MAX INPUT LEVEL CP GND Q OR Q VS tW tPHL tPLH VS VS VS VS INPUT LEVEL GND INPUT CP R (S) VS tW tREM tPLH Q (Q) Q (Q) VS VS VS INPUT LEVEL GND D CP VS tSU(L) tH(L) tH(H) tSU(H) VS VS VS VS VS INPUT LEVEL GND CD74AC74, CD74ACT74 |
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