74LV123BQ 查看數據表（PDF） - NXP Semiconductors.

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74LV123BQ

Dual retriggerable monostable multivibrator with reset

NXP Semiconductors. 

NXP Semiconductors

74LV123

Dual retriggerable monostable multivibrator with reset

6. Functional description

Table 3. Function table[1]

Input

nRD

nA

nB

L

X

X

X

H

X

X

X

L

H

L



H



H



L

H

Output

nQ

nQ

L

H

L[2]

H[2]

L[2]

H[2]

[1] H = HIGH voltage level;

L = LOW voltage level;

X = don’t care;

 = LOW-to-HIGH transition;

 = HIGH-to-LOW transition;

= one HIGH level output pulse

= one LOW level output pulse

[2] If the monostable multivibrator was triggered before this condition was established, the pulse will continue as programmed.

74LV123

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 7 — 12 December 2011

© NXP B.V. 2011. All rights reserved.

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