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74LV423 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. 74LV423
Description  Dual retriggerable monostable multivibrator with reset
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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74LV423 Datasheet(HTML) 3 Page - NXP Semiconductors

 
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Philips Semiconductors
Preliminary specification
74LV423
Dual retriggerable monostable multivibrator
with reset
1997 Feb 04
3
PIN CONFIGURATION
14
13
12
11
10
9
7
6
5
4
3
2
1
GND
VCC
1A
1B
1RD
1Q
2Q
8
15
16
2CEXT
2REXT/CEXT
1REXT/CEXT
1CEXT
1Q
2Q
2RD
2B
2A
SV00096
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
FUNCTION
1,9
1A, 2A
Trigger inputs
(negative-edge triggered)
2,10
1B, 2B
Trigger inputs
(positive-edge triggered)
3,11
1RD, 2RD
Direct reset LOW
4, 12
1Q, 2Q
Outputs (active LOW)
7
2REXT/CEXT
External resistor/capacitor connection
8
GND
Ground (0V)
13, 5
1Q, 2Q
Outputs (active HIGH)
14, 6
1CEXT,
2CEXT
External capacitor connection
15
1REXT/CEXT
External resistor/capacitor connection
16
VCC
Positive supply voltage
LOGIC SYMBOL (IEEE/IEC)
CX
RCX
&
R
14
15
1
2
3
13
4
CX
RCX
&
R
6
7
9
10
11
5
12
SV00161
LOGIC SYMBOL
1
9
2
10
3
11
14
6
15
7
13
5
4
12
1A
2A
1B
2B
1RD
2RD
1CEXT
2CEXT
1REXT/CEXT
2REXT/CEXT
1Q
2Q
1Q
2Q
S
Q
Q
RD
T
SV00160
FUNCTIONAL DIAGRAM
1
9
2
10
3
11
14
6
15
7
13
5
4
12
1A
2A
1B
2B
1RD
2RD
1CEXT
2CEXT
1REXT/CEXT
2REXT/CEXT
1Q
2Q
1Q
2Q
S
Q
Q
RD
T
SV00162


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