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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: 17 页 / 128 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
AC WAVEFORMS
74HC/HCT123
Fig.7
Output pulse control using retrigger pulse;
nR
D
= HIGH.
Fig.8
Output pulse control using reset input in nR
D
;
nA = LOW.
Fig.9
Typical output pulse width as a function of the
external capacitor values at V
CC
= 5.0 V and
T
amb
= 25
°C.
Fig.10 HCT typical “k” factor as a function of V
CC
;
C
X
= 10 nF; R
X
= 10 kΩ to 100 kΩ.
1998 Jul 08
10