32179EFRZ データシートの表示（PDF） - Intersil
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32179EFRZ Datasheet PDF : 20 Pages
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ISL32172E, ISL32272E, ISL32372E, ISL32174E, ISL32274E, ISL32374E, ISL32179E
Typical Performance Curves VCC = VL = 3.3V or 5V, TA = +25°C; Unless Otherwise Specified. VL notes apply to the ISL32179E
only. (Continued)
VCC = VL = 3V
DI
3.0
1.5
0
-1.5
+85°C
-3.0
3.0
1.5
0
32Mbps
3
0
DRIVER + CABLE DELAY (~288ns)
Y-Z
Y-Z
-1.5
+125°C
-3.0
TIME (80ns/DIV)
FIGURE 31. WORST CASE (NEGATIVE) FIVE PULSE DRIVER
WAVEFORMS DRIVING 200 FEET (62m) OF CAT5
CABLE (SINGLE TERMINATED WITH 121Ω)
(ISL32172E, ISL32174E, ISL32179E)
Die Characteristics
SUBSTRATE AND QFN THERMAL PAD POTENTIAL
(POWERED UP):
GND
TRANSISTOR COUNT:
1682
PROCESS:
Si Gate BiCMOS
VCC = VL = 4.5V
DI
32Mbps
5
0
4.5
3.0
1.5
Y-Z
0
-1.5
-3.0 +85°C
-4.5
4.5
3.0
1.5
0
Y-Z
-1.5
-3.0 +125°C
-4.5
DRIVER + CABLE DELAY (~472ns)
TIME (80ns/DIV)
FIGURE 32. WORST CASE (NEGATIVE) FIVE PULSE DRIVER
WAVEFORMS DRIVING 328 FEET (100m) OF
CAT5 CABLE (SINGLE TERMINATED WITH 121Ω)
(ISL32172E, ISL32174E, ISL32179E)
17
FN6824.0
December 16, 2008
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