ISL3170E_07 查看數據表（PDF） - Intersil
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ISL3170E_07 Datasheet PDF : 19 Pages
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ISL3170E, ISL3171E, ISL3172E, ISL3173E, ISL3174E, ISL3175E, ISL3176E, ISL3177E, ISL3178E
Test Circuits and Waveforms (Continued)
3V
DI
1.5V
1.5V
0V
DE
VCC
DI
Z
D
Y
RDIFF
CD
OUT (Z)
OUT (Y)
tPLH
tPHL
SIGNAL
GENERATOR
DIFF OUT (Y to Z)
90%
10%
tR
90%
10%
tF
SKEW = |tPLH - tPHL|
FIGURE 2A. TEST CIRCUIT
FIGURE 2B. MEASUREMENT POINTS
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
VOH
VOL
+VOD
-VOD
SIGNAL
GENERATOR
PARAMETER
tHZ
tLZ
tZH
tZL
tZH(SHDN)
tZL(SHDN)
DE
DI
Z
D
Y
500Ω
VCC
50pF
SW GND
OUTPUT
RE
DI
Y/Z
X
1/0
Y/Z
X
0/1
Y/Z
0 (Note 7)
1/0
Y/Z
0 (Note 7)
0/1
Y/Z
1 (Note 10) 1/0
Y/Z
1 (Note 10) 0/1
SW
GND
VCC
GND
VCC
GND
VCC
DE
NOTE 9
tZH, tZH(SHDN)
NOTE 9
OUT (Y, Z)
tZL, tZL(SHDN)
NOTE 9
OUT (Y, Z)
1.5V
3V
1.5V
0V
tHZ
OUTPUT HIGH
50%
VOH - 0.25V VOH
0V
tLZ
50%
OUTPUT LOW
VCC
VOL + 0.25V VOL
FIGURE 3A. TEST CIRCUIT
FIGURE 3B. MEASUREMENT POINTS
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES (EXCEPT ISL3171E, ISL3174E, ISL3177E)
DE
VCC
DI
SIGNAL
GENERATOR
Z
D
Y
54Ω
CD
+
VOD
-
DI
DIFF OUT (Y to Z)
-VOD
3V
0V
+VOD 0V
FIGURE 4A. TEST CIRCUIT
FIGURE 4B. MEASUREMENT POINTS
FIGURE 4. DRIVER DATA RATE
9
FN6307.3
July 11, 2007
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