參數(shù)資料
型號(hào): 74HC423DB
廠商: NXP SEMICONDUCTORS
元件分類: 諧振器
英文描述: Dual retriggerable monostable multivibrator with reset
中文描述: HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
文件頁(yè)數(shù): 4/14頁(yè)
文件大小: 103K
代理商: 74HC423DB
1998 Jul 08
4
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT423
FUNCTION TABLE
Notes
1.
H = HIGH voltage level
L = LOW voltage level
X = don’t care
= LOW-to-HIGH transition
= HIGH-to-LOW transition
= one HIGH level output pulse
= one LOW level output pulse
2.
If the monostable was triggered before this condition was established, the pulse will continue as programmed.
INPUTS
OUTPUTS
nR
D
L
X
X
H
H
nA
nB
nQ
nQ
X
H
X
L
X
X
L
H
L
H
L
(2)
L
(2)
H
(2)
H
(2)
Fig.4 Functional diagram.
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