74HC123; 74HCT123
NXP Semiconductors
Dual retriggerable monostable multivibrator with reset
11. Waveforms
V
I
V
nB input
GND
M
t
W
V
I
V
M
nA input
GND
t
W
V
I
V
M
nRD input
GND
t
t
t
W
PLH
PLH
V
OH
V
Y
nQ output
V
M
V
X
V
OL
t
t
t
PLH
THL
PHL
t
(reset)
W
t
W
V
OH
V
Y
nQ output
V
M
V
X
V
OL
t
t
t
t
t
PHL
PHL
PLH
PHL
001aaa771
TLH
(reset)
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Fig 9. Propagation delays from inputs (nA, nB, nRD) to outputs (nQ, nQ) and output transition times
74HC_HCT123
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© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 8 — 16 December 2011
12 of 25
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