74LV123 Philips, 74LV123 Datasheet - Page 4

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

*
Philips Semiconductors
LOGIC DIAGRAM
FUNCTION TABLE
NOTES:
H = HIGH voltage level
L = LOW voltage level
X = don’t care
1998 Apr 28
= LOW-to-HIGH transition
= HIGH-to-LOW transition
Dual retriggerable monostable multivibrator
with reset
If the monostable was triggered before this condition was
established, the pulse will continue as programmed.
nR
X
X
H
H
L
= one HIGH level output pulse
= one LOW level output pulse
D
It is recommended that Pin 6 (2C
R
D
A
B
INPUTS
V
nA
X
H
X
L
L
CC
R
R
CL
nB
X
X
H
H
L
V
R
CC
EXT
CL
CL
) and Pin 14 (1C
CL
nQ
L *
L *
L
OUTPUTS
CL
nQ
H *
H *
H
R
EXT
) by externally grounded to Pin 8 (GND)
4
V
nR
CC
EXT
/C
EXT
Figure 1.Timing component connection
(pin 14 or 6)
to nC
EXT
C
EXT
to nR
(pin 15 or 7)
V
EXT
CC
SV00101
/C
R
EXT
EXT
Product specification
SV00100
74LV123
Q
Q