Datasheet

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PARAMETER MEASUREMENT INFORMATION
t
h
t
su
FromOutput
UnderTest
C =50pF
L
(seeNote A)
LOADCIRCUIT
S1
6V
GND
500 W
500 W
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 +0.3V
OL
V – 0.3V
OH
»0V
2.7V
VOLTAGEWAVEFORMS
ENABLE ANDDISABLETIMES
LOW- ANDHIGH-LEVEL ENABLING
Output
Output
t /t
PLH PHL
t /t
PLZ PZL
t /t
PHZ PZH
Open
6V
GND
TEST S1
NOTES: A.C includesprobeandjigcapacitance.
L
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 =50 ,t 2.5ns,t 2.5ns.£ W £ £
O r f
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
SN54LVTH162373 , , SN74LVTH162373
3.3-V ABT 16-BIT TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCBS261M – JULY 1993 – REVISED DECEMBER 2006
Figure 1. Load Circuit and Voltage Waveforms
6
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