74ahct123a NXP Semiconductors, 74ahct123a Datasheet - Page 19

• Manufacturer Part Number: 74ahct123a
• Description: Dual Retriggerable Monostable Multivibrator With Reset
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 Mar 15
handbook, full pagewidth
handbook, full pagewidth
Dual retriggerable monostable multivibrator
with reset
t
t
t
PLH
PLZ
PHZ
/t
/t
/t
TEST
PZL
PHL
PZH
nA input
nB input
nR D input
nR EXT / C EXT
nQ output
nQ output
open
V
GND
CC
S1
GENERATOR
PULSE
Fig.11 Load circuitry for switching times.
Definitions for test circuit.
C
R
t W
L
T
= load capacitance including jig and probe capacitance (See Chapter “AC characteristics”).
= termination resistance should be equal to the output impedance Z
Fig.10 Input and output timing.
V I
R T
D.U.T.
V CC
19
V O
C L
MNA183
t W
1000
S1
V CC
open
GND
t rt
t W
o
t rt
of the pulse generator.
74AHCT123A
74AHC123A;
Product specification
MNA523