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74HC123DB 参数 Datasheet PDF下载

74HC123DB图片预览
型号: 74HC123DB
PDF下载: 下载PDF文件 查看货源
内容描述: 双可再触发单稳多谐振荡器与重置 [Dual retriggerable monostable multivibrator with reset]
分类和应用: 振荡器预分频器多谐振动器逻辑集成电路光电二极管输入元件时钟
文件页数/大小: 24 页 / 148 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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NXP Semiconductors
74HC123; 74HCT123
Dual retriggerable monostable multivibrator with reset
11. Waveforms
V
I
nB input
GND
t
W
V
I
nA input
GND
t
W
V
I
nRD input
GND
t
PLH
V
OH
nQ output
V
OL
t
THL
t
W
V
OH
nQ output
V
OL
t
PHL
t
PHL
V
M
V
X
t
TLH
t
PLH
(reset)
t
PHL
001aaa771
V
M
V
M
V
M
t
PLH
t
W
V
Y
V
M
V
X
t
PHL
(reset)
t
W
V
Y
t
PLH
Measurement points are given in
V
OL
and V
OH
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_5
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 13 July 2009
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