Data Sheet

NOTES: A. C
L
includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, Z
O
= 50 Ω, t
r
+ 3 ns, t
f
+ 3 ns.
C. The outputs are measured one at a time, with one input transition per measurement.
50% V
CC
t
PLH
t
PHL
V
OH
V
OL
V
CC
50% V
CC
50% V
CC
V
CC
Input A
(see Note B)
50% V
CC
0 V
0 V
In-Phase
Output
Out-of-Phase
Output
VOLTAGE WAVEFORMS
DELAY TIMES
Input B
(see Note B)
V
OL
V
OH
LOAD CIRCUIT
Test
Point
C
L
(see Note A)
From Output
Under Test
50% V
CC
t
PLH
t
PHL
t
PHL
t
PLH
V
OH
V
OH
V
OL
V
OL
V
CC
0 V
50% V
CC
Input CLR
(see Note B)
Out-of-Phase
Output
In-Phase
Output
VOLTAGE WAVEFORMS
DELAY TIMES
50% V
CC
50% V
CC
50% V
CC
50% V
CC
V
CC
0 V
t
w
VOLTAGE WAVEFORMS
PULSE DURATION
Inputs or
Outputs
50% V
CC
50% V
CC
SN54LV123A, SN74LV123A
SCLS393P –APRIL 1998–REVISED OCTOBER 2013 www.ti.com
PARAMETER MEASUREMENT INFORMATION
Figure 3. Load Circuit and Voltage Waveforms
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Product Folder Links: SN54LV123A, SN74LV123A