74LV123 Philips, 74LV123 Datasheet - Page 3

• Manufacturer Part Number: 74LV123
• Description: Dual retriggerable monostable multivibrator with reset
• Manufacturer: Philips

Philips Semiconductors
PIN CONFIGURATION
PIN DESCRIPTION
LOGIC SYMBOL (IEEE/IEC)
1998 Apr 28
NUMBER
Dual retriggerable monostable multivibrator
with reset
4, 12
13, 5
14, 6
2,10
3,11
PIN
1,9
15
16
7
8
2R
1R
2R
SYMBOL
1R
EXT
1Q, 2Q
1Q, 2Q
1A, 2A
1B, 2B
EXT
1C
EXT
2C
GND
V
D
2C
/C
, 2R
CC
14
15
1
2
3
6
7
9
10
11
GND
EXT,
EXT
1R
/C
/C
EXT
EXT
1A
1B
1Q
2Q
D
EXT
EXT
D
1
2
3
4
5
6
7
8
Trigger inputs
(negative-edge triggered)
Trigger inputs
(positive-edge triggered)
Direct reset LOW and trigger action at
positive edge
Outputs (active LOW)
External resistor/capacitor connection
Ground (0V)
Outputs (active HIGH)
External capacitor connection
External resistor/capacitor connection
Positive supply voltage
CX
RCX
CX
RCX
R
R
&
&
SV00096
16
15
14
13
12
10
11
9
FUNCTION
V
1R
1C
1Q
2Q
2R
2B
2A
CC
SV00098
EXT
EXT
D
/C
13
12
5
4
EXT
3
LOGIC SYMBOL
FUNCTIONAL DIAGRAM
10
10
11
11
1
9
2
3
1
9
2
3
1R
2R
1A
2A
1B
2B
1A
2A
1B
2B
1R
2R
D
D
D
D
T
T
R
R
S
D
S
D
Product specification
Q
Q
Q
Q
1R
2R
1R
2R
74LV123
EXT
EXT
EXT
EXT
1C
2C
1C
2C
/C
/C
/C
/C
SV00099
EXT
EXT
EXT
EXT
EXT
EXT
SV00097
EXT
EXT
1Q
2Q
1Q
2Q
1Q
2Q
1Q
2Q
14
15
13
12
14
15
13
12
6
7
5
4
6
7
5
4