74HCT123PW Datasheet, PDF (11/25 Pages) NXP Semiconductors – Dual retriggerable monostable multivibrator with reset

NXP Semiconductors
74HC123; 74HCT123
Dual retriggerable monostable multivibrator with reset
10⁶
t_W
(ns)
10⁵
10⁴
10³
10²
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(1)
(2)
(3)
(4)
0.8
'K' factor
0.6
0.4
0.2
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10
1
10
10²
10³
10⁴
C_EXT (pF)
0
0
2
4
6
8
V_CC (V)
V_CC = 5.0 V; T_amb = 25 C.
(1) R_EXT = 100 k
(2) R_EXT = 50 k
(3) R_EXT = 10 k
(4) R_EXT = 2 k
Fig 7. Typical output pulse width as a function of the
external capacitor value
C_EXT = 10 nF; R_EXT = 10 k to 100 k.
T_amb = 25 C.
Fig 8. 74HC123 typical ‘K’ factor as function of V_CC
74HC_HCT123
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 16 December 2011
© NXP B.V. 2011. All rights reserved.
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