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74HCT393D-Q100 Folha de dados(PDF) 13 Page - Nexperia B.V. All rights reserved |
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74HCT393D-Q100 Folha de dados(HTML) 13 Page - Nexperia B.V. All rights reserved |
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13 / 20 page ![]() © Nexperia B.V. 2017. All rights reserved 74HC_HCT393_Q100 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 1 — 19 June 2014 13 of 20 Nexperia 74HC393-Q100; 74HCT393-Q100 Dual 4-bit binary ripple counter Measurement points are given in Table 8. a. Input pulse definition Test data is given in Table 9. Definitions test circuit: RT = Termination resistance should be equal to output impedance Zo of the pulse generator. CL = Load capacitance including jig and probe capacitance. b. Test circuit Fig 11. Test circuit for measuring switching times 001aac221 VM VM tW tW 10 % 90 % 90 % 0 V VI VI negative pulse positive pulse 0 V VM VM 90 % 10 % 10 % tf tr tr tf mna101 VCC VI VO RT CL PULSE GENERATOR D.U.T. Table 9. Test data Type Input Load VI tr, tf CL 74HC393-Q100 VCC 6 ns 15 pF, 50 pF 74HCT393-Q100 3 V 6 ns 15 pF, 50 pF |
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