ISL3179E Просмотр технического описания (PDF) - Renesas Electronics
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производитель
ISL3179E
Renesas Electronics
ISL3179E Datasheet PDF : 18 Pages
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ISL3179E, ISL3180E
Test Circuits and Waveforms (Continued)
DI
1.5V
3V
1.5V
0V
DE
VCC
DI
SIGNAL
GENERATOR
Z
D
Y
RD
CD
OUT (Z)
OUT (Y)
tPLH
DIFF OUT (Y - Z)
90%
10%
tR
tPHL
90%
10%
tF
SKEW = |tPLH - tPHL|
FIGURE 5A. TEST CIRCUIT
FIGURE 5B. MEASUREMENT POINTS
FIGURE 5. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
VOH
VOL
+VOD
-VOD
DE
DI
SIGNAL
GENERATOR
Z
D
Y
110Ω
VCC
50pF
SW GND
PARAMETER
tHZ
tLZ
tZH
tZL
tZH(SHDN)
tZL(SHDN)
OUTPUT
RE
DI
Y/Z
X
1/0
Y/Z
X
0/1
Y/Z
0 (Note 12) 1/0
Y/Z
0 (Note 12) 0/1
Y/Z
1 (Note 15) 1/0
Y/Z
1 (Note 15) 0/1
SW
GND
VCC
GND
VCC
GND
VCC
DE
(Note 14)
tZH, tZH(SHDN)
(Note 14)
OUT (Y, Z)
tZL, tZL(SHDN)
(Note 14)
OUT (Y, Z)
1.5V
3V
1.5V
0V
tHZ
OUTPUT HIGH
50%
VOH - 0.5V VOH
0V
tLZ
50%
OUTPUT LOW
VCC
VOL + 0.5V VOL
FIGURE 6A. TEST CIRCUIT
FIGURE 6B. MEASUREMENT POINTS
FIGURE 6. DRIVER ENABLE AND DISABLE TIMES
DE
VCC
DI
SIGNAL
GENERATOR
Z
D
Y
+
CL
54Ω
VOD
-
CL
DI
DIFF OUT (Y - Z)
-VOD
3V
0V
+VOD 0V
FIGURE 7A. TEST CIRCUIT
FIGURE 7. DRIVER DATA RATE
FIGURE 7B. MEASUREMENT POINTS
FN6365 Rev. 6.00
Nov 9, 2017
Page 8 of 18
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