Datasheet

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PARAMETER MEASUREMENT INFORMATION
InputGenerator
InputGenerator
DUT
V
CC
V
IN
V
G1
V
G2
V
I
TESTCIRCUIT
50 W
50 W
Output
Waveform1
S1at2x
(seeNoteB)
V
CC
Output
Waveform2
S1atOpen
(seeNoteB)
V
OL
V
OH
0V
0V
Output
Control
(V )
IN
V /2
CC
V /2
CC
2.5V 0.2V±
3.3V 0.3V±
t
pd(s)
t /t
PLZ PZL
t /t
PHZ PZH
2.5V 0.2V±
3.3V 0.3V±
2.5V 0.2V±
3.3V 0.3V±
500 W
3.6VorGND
5.5VorGND
Open
GND
GND
3.6V
5.5V
Open
Open
Open
2xV
CC
2xV
CC
500 W
500 W
500 W
500 W
500 W
V
CC
TEST
R
L
V
I
C
L
30pF
30pF
30pF
50pF
50pF
50pF
0.15V
0.15V
0.15V
0.15V
V
D
S1
V
O
C
(seeNote A)
L
S1
2xV
CC
Open
GND
R
L
R
L
50 W
50 W
VOLTAGEWAVEFORMS
ENABLE ANDDISABLETIMES
VOLTAGEWAVEFORMS
PROPAGATIONDELAY TIMES(t )
pd(s)
NOTES: A. C 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 =50 ,t
D. Theoutputsaremeasuredoneatatime,withonetransitionpermeasurement.
E.
F. t andt arethesameast .
G. t andt arethesameast . ThetpdpropagationdelayisthecalculatedRCtimeconstantofthetypicalON-state
resistanceoftheswitchndthespecifiedloadcapacitance,whendrivenbyanidealvoltagesource(zerooutputimpedance).
H. Allparametersandwaveformsarenotapplicabletoalldevices.
L
O r
PZL PZH en
PLH PHL pd(s)
£ W £ 2.5
£ .
ns,
t 2.5ns
t andt arethesameast .
t
PLZ PHZ dis
V
CC
V /2
CC
V /2
CC
V
CC
t
PZL
t
PLZ
t
PHZ
t
PZH
V – V
OH D
V +V
OL D
0V
Output
Control
(V )
IN
Output
V /2
CC
V /2
CC
V
OL
V
CC
V
OH
V /2
CC
V /2
CC
t
PLH
t
PHL
SN74CB3T1G125
SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE SWITCH
WITH 5-V-TOLERANT LEVEL SHIFTER
SCDS150A – OCTOBER 2003 – REVISED SEPTEMBER 2006
Figure 2. Test Circuit and Voltage Waveforms
5
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