74HC123-Q100; 74HCT123-Q100
NXP Semiconductors
Dual retriggerable monostable multivibrator with reset
001aaa611
001aaa612
6
10
0.8
t
W
'K' factor
(ns)
(1)
(2)
5
4
3
2
10
0.6
0.4
0.2
0
(3)
(4)
10
10
10
10
2
3
4
1
10
10
10
10
(pF)
0
2
4
6
8
C
V
(V)
CC
EXT
VCC = 5.0 V; Tamb = 25 C.
EXT = 100 k
CEXT = 10 nF; REXT = 10 k to 100 k.
amb = 25 C.
(1)
R
T
(2) REXT = 50 k
(3) REXT = 10 k
(4)
REXT = 2 k
Fig 7. Typical output pulse width as a function of the
external capacitor value
Fig 8. 74HC123-Q100 typical ‘K’ factor as function of
VCC
74HC_HCT123_Q100
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© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 1 — 1 August 2012
11 of 23
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