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PARAMETER MEASUREMENT INFORMATION
t
h
t
su
From Output
Under Test
C
L
= 50 pF
(see Note A)
LOAD CIRCUIT
S1
6 V
GND
500
500
Data Input
Timing Input
2.7 V
0 V
2.7 V
0 V
2.7 V
0 V
t
w
Input
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS
PULSE DURATION
t
PLH
t
PHL
t
PHL
t
PLH
V
OH
V
OH
V
OL
V
OL
2.7 V
0 V
Input
Output
Control
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
V
OL
V
OH
t
PZL
t
PZH
t
PLZ
t
PHZ
3 V
0 V
V
OL
+ 0.3 V
V
OH
0.3 V
≈
0 V
2.7 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
Output
Output
t
PLH
/t
PHL
t
PLZ
/t
PZL
t
PHZ
/t
PZH
Open
6 V
GND
TEST
S1
NOTES: A. C
L
includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤
10 MHz, Z
O
= 50
, t
r
≤
2.5 ns, t
f
≤
2.5 ns.
D. The outputs are measured one at a time, with one transition per measurement.
Open
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
SN54LVT16244B
,
SN74LVT16244B
3.3-V ABT 16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS716E–MARCH 2000–REVISED DECEMBER 2006
Figure 1. Load Circuit and Voltage Waveforms
7
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