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74AHC123ABQ Datasheet(PDF) 10 Page - NXP Semiconductors |
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74AHC123ABQ Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 21 page 74AHC_AHCT123A_2 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 02 — 18 January 2008 10 of 21 NXP Semiconductors 74AHC123A; 74AHCT123A Dual retriggerable monostable multivibrator with reset tW pulse width inputs; nA = LOW; see Figure 7 VCC = 3.0 V to 3.6 V 5.0 - - 5.0 - 5.0 - ns VCC = 4.5 V to 5.5 V 5.0 - - 5.0 - 5.0 - ns inputs; nB = HIGH; see Figure 7 VCC = 3.0 V to 3.6 V 5.0 - - 5.0 - 5.0 - ns VCC = 4.5 V to 5.5 V 5.0 - - 5.0 - 5.0 - ns inputs; nRD = LOW; see Figure 7 VCC = 3.0 V to 3.6 V 5.0 - - 5.0 - 5.0 - ns VCC = 4.5 V to 5.5 V 5.0 - - 5.0 - 5.0 - ns outputs; nQ = LOW and nQ = HIGH; CL = 50 pF; see Figure 7, Figure 8, Figure 9 and Figure 10 [3] CEXT = 28 pF; REXT =2kΩ VCC = 3.0 V to 3.6 V - 115 240 - 300 - 300 ns VCC = 4.5 V to 5.5 V - 100 200 - 240 - 240 ns CEXT = 0.01 µF; REXT =10kΩ VCC = 3.0 V to 3.6 V 90 100 110 90 110 85 115 µs VCC = 4.5 V to 5.5 V 90 100 110 90 110 85 115 µs CEXT = 0.1 µF; REXT =10kΩ; VCC = 3.0 V to 3.6 V 0.9 1 1.1 0.9 1.1 0.85 1.15 ms VCC = 4.5 V to 5.5 V 0.9 1 1.1 0.9 1.1 0.85 1.15 ms trtrig retrigger time nA to nB; CEXT = 100 pF; REXT =1kΩ; CL = 50 pF; see Figure 8 and Figure 10 VCC = 3.0 V to 3.6 V - 60 - - - - - ns VCC = 4.5 V to 5.5 V - 39 - - - - - ns nA to nB; CEXT = 0.01 µF; REXT =1kΩ; CL = 50 pF; see Figure 8 and Figure 10 VCC = 3.0 V to 3.6 V - 1.5 - - - - - µs VCC = 4.5 V to 5.5 V - 1.2 - - - - - µs CPD power dissipation capacitance CL = 50 pF; fi = 1 MHz; VI = GND to VCC [4] -57 - - - - - pF Table 7. Dynamic characteristics …continued GND = 0 V; For test circuit see Figure 12. Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max Min Max |
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