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CD74FCT823AEN Fiches technique(PDF) 4 Page - Texas Instruments |
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CD74FCT823AEN Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 7 page 8-4 Switching Specifications Over Operating Range FCT Series tr, tf = 2.5ns, CL = 50pF, RL (Figure 1) PARAMETER SYMBOL VCC (V) 25oC0oC TO 70oC UNITS TYP MIN MAX Propagation Delays (Note 6) Clock to Q CD74FCT823A tPLH, tPHL 5 7.5 1.5 10 ns Clock to Q CD74FCT824A tPLH, tPHL 5 7.5 1.5 10 ns MR to Q tPHL 5 10.5 1.5 14 ns Output Enable to Q CD74FCT823A tPZL, tPZH 5 9 1.5 12 ns Output Disable to Q CD74FCT823A tPLZ, tPHZ 5 6 1.5 8 ns Output Enable to Q CD74FCT824A tPZL, tPZH 5 9 1.5 12 ns Output Disable to Q CD74FCT824A tPLZ, tPHZ 5 6 1.5 8 ns Power Dissipation Capacitance CPD (Note 7) ---- pF Minimum (Valley) VOHV During Switching of Other Outputs (Output Under Test Not Switching) VOHV 5 0.5 -- V Maximum (Peak) VOLP During Switching of Other Outputs (Output Under Test Not Switching) VOLP 51 - - V Input Capacitance CI --- 10 pF Three-State Output Capacitance CO --- 15 pF NOTES: 6. 5V: Minimum is at 5.25V for 0oC to 70oC, Maximum is at 4.75V for 0oC to 70oC, Typical is at 5V. 7. CPD, measured per flip-flop, is used to determine the dynamic power consumption. PD (per package) = VCC ICC + Σ(VCC 2 f I CPD + VO 2 f OCL + VCC ∆ICC D) where: VCC = supply voltage ∆ICC = flow through current x unit load CL = output load capacitance D = duty cycle of input high fO = output frequency fI = input frequency Prerequisite for Switching PARAMETER SYMBOL VCC (V) 25oC0oC TO 70oC UNITS TYP MIN MAX Maximum Clock Frequency fMAX 5 (Note 8) - 70 - MHz Master Reset Recovery Time tREC 5-7- ns Setup Time, Data to Clock, CE to Clock tSU 5-4- ns Hold Time - Data, CE tH 5-2- ns Pulse Width - Clock, MR tW 5-7- ns NOTE: 8. 5V: Minimum is at 4.75V for 0oC to 70oC, Typical is at 5V. CD74FCT823A, CD74FCT824A |
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