74hct423 NXP Semiconductors, 74hct423 Datasheet - Page 4

• Manufacturer Part Number: 74hct423
• Description: Dual Retriggerable Monostable Multivibrator With Reset
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FUNCTION TABLE
Notes
1. H = HIGH voltage level
2. If the monostable was triggered before this condition was established, the pulse will continue as programmed.
1998 Jul 08
Dual retriggerable monostable
multivibrator with reset
L = LOW voltage level
X = don’t care
= LOW-to-HIGH transition
= HIGH-to-LOW transition
nR
X
X
H
H
L
= one HIGH level output pulse
= one LOW level output pulse
D
INPUTS
nA
X
H
X
L
Fig.4 Functional diagram.
nB
H
X
X
L
4
L
L
nQ
L
(2)
(2)
OUTPUTS
74HC/HCT423
Product specification
H
H
nQ
H
(2)
(2)