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74HCT123N Arkusz danych(PDF) 9 Page - NXP Semiconductors |
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74HCT123N Arkusz danych(HTML) 9 Page - NXP Semiconductors |
9 / 25 page 74HC_HCT123 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 8 — 16 December 2011 9 of 25 NXP Semiconductors 74HC123; 74HCT123 Dual retriggerable monostable multivibrator with reset trtrig retrigger time nA,nB; CEXT = 0 pF; REXT = 5 k; VCC = 5.0 V; see Figure 10 [3][4] -110 - - - - - ns REXT external timing resistor see Figure 7 VCC = 2.0 V 10 - 1000 - - - - k VCC = 5.0 V 2 - 1000 - - - - k CEXT external timing capacitor VCC = 5.0 V; see Figure 7 [4] -- - - - - - pF CPD power dissipation capacitance per monostable; VI = GND to VCC [5] -54- - - - - pF 74HCT123 tPHL HIGH to LOW propagation delay nRD, nA, nB to nQ or nQ; CEXT = 0 pF; REXT = 5k ; see Figure 9 VCC = 4.5 V - 30 51 - 64 - 77 ns VCC = 5 V; CL =15pF - 26 - - - - - ns nRD (reset) to nQ or nQ; CEXT =0 pF; REXT =5 k; see Figure 9 VCC = 4.5 V - 27 46 - 58 - 69 ns VCC = 5 V; CL =15pF - 23 - - - - - ns tPLH LOW to HIGH propagation delay nRD, nA, nB to nQ or nQ; CEXT = 0 pF; REXT =5 k; see Figure 9 VCC = 4.5 V - 28 51 - 64 - 77 ns VCC = 5 V; CL =15pF - 26 - - - - - ns nRD (reset) to nQ or nQ; CEXT =0 pF; REXT = 5k ; see Figure 9 VCC = 4.5 V - 23 46 - 58 - 69 ns VCC = 5 V; CL =15pF - 23 - - - - - ns tt transition time VCC = 4.5 V; see Figure 9 [1] - 7 15 - 19 - 22 ns Table 7. Dynamic characteristics …continued Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12. Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit Min Typ Max Min Max Min Max |
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Podobny opis - 74HCT123N |
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