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74LV123PW View Datasheet(PDF) - Philips Electronics

Part Name
Description
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74LV123PW Datasheet PDF : 16 Pages
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Philips Semiconductors
Dual retriggerable monostable multivibrator
with reset
LOGIC DIAGRAM
nREXT/CEXT
VCC
Product specification
74LV123
Q
RD
Q
R
R
CL VCC
CL
VCC
R
CL
CL
CL
A
B
R
It is recommended that Pin 6 (2CEXT) and Pin 14 (1CEXT) by externally grounded to Pin 8 (GND)
SV00100
FUNCTION TABLE
INPUTS
OUTPUTS
nRD
nA
nB
nQ
nQ
L
X
X
L
H
X
H
X
L*
H*
X
X
L
L*
H*
H
L
H
H
L
H
NOTES:
* If the monostable was triggered before this condition was
established, the pulse will continue as programmed.
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
VCC
REXT
CEXT
to nCEXT
(pin 14 or 6)
to nREXT/CEXT
(pin 15 or 7)
SV00101
Figure 1.Timing component connection
1998 Apr 28
4
 

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