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74VHC123A Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. 74VHC123A
Description  Dual Retriggerable Monostable Multivibrator
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74VHC123A Datasheet(HTML) 2 Page - Fairchild Semiconductor

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©1993 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC123A Rev. 1.2
2
Connection Diagram
Pin Description
Logic Symbol
IEEE/IEC
Truth Table
H
= HIGH Voltage Level
L
= LOW Voltage Level
= HIGH-to-LOW Transition
= LOW-to-HIGH Transition
X
= Don't Care
Pin Names
Description
ATrigger Inputs (Negative Edge)
BTrigger Inputs (Positive Edge)
CLR
Reset Inputs
Cx
External Capacitor
Rx
External Resistor
Q, Q
Outputs
Inputs
Outputs
Function
A
B
CLR
QQ
HH
Output Enable
X
LHL
H
Inhibit
HX
HL
H
Inhibit
LH
Output Enable
LH
Output Enable
XX
LL
H
Reset


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