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CD74FCT543 数据表(PDF) 4 Page - Texas Instruments |
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CD74FCT543 数据表(HTML) 4 Page - Texas Instruments |
4 / 6 page 8-4 Switching Specifications Over Operating Range FCT Series tr, tf = 2.5ns, CL = 50pF, RL (Figure 4) PARAMETER SYMBOL VCC (V) 25oC0oC TO 70oC UNITS TYP MIN TYP MAX Propagation Delays An ↔ Bn tPLH, tPHL 5 6.4 2.5 - 8.5 ns LEBA to An or LEAB to Bn tPLH, tPHL 5 9.4 2.5 - 12.5 ns CEBA or CEAB to An or Bn tPLZ, tPHZ 5 6.8 2 - 9 ns tPZL, tPZH 5 9 2 - 12 ns Power Dissipation Capacitance CPD (Note 6) - 49 - 49 - 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 5 1 --- V Input Capacitance CI - - - - 10 pF Input/Output Capacitance CI/O - - - - 15 pF NOTE: 6. 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 O CL + 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 Data to Latch Enable Setup Time tSU 5 (Note 7) -3- ns Data to Latch Enable Hold Time tH 5-2- ns Latch Enable Pulse Width tW 5-9- ns NOTE: 7. 5V: Minimum is at 4.75V for 0oC to 70oC, Typical is at 5V. CD74FCT543 |
类似零件编号 - CD74FCT543 |
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类似说明 - CD74FCT543 |
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