ISL3158E Intersil Corporation, ISL3158E Datasheet - Page 9

• Manufacturer Part Number: ISL3158E
• Description: (ISL3150E - ISL3158E) RS-485/RS-422 Transceivers
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
PARAMETER OUTPUT
SIGNAL
GENERATOR
t
t
ZH(SHDN)
ZL(SHDN)
SIGNAL
GENERATOR
t
t
t
t
HZ
ZH
LZ
ZL
V
CC
DE
DI
FIGURE 2A. TEST CIRCUIT
FIGURE 3A. TEST CIRCUIT
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
DE
DI
ISL3150E, ISL3152E, ISL3153E, ISL3155E, ISL3156E, ISL3158E
D
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
1 (Note 10)
1 (Note 10)
D
0 (Note 7)
0 (Note 7)
Y
Z
RE
X
X
9
Z
Y
R
DIFF
1/0
0/1
1/0
0/1
1/0
0/1
DI
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
C
(Continued)
500Ω
L
GND
GND
GND
V
V
V
C
SW
C
CC
CC
CC
L
L
= 100pF
= 100pF
SW
C
L
100
100
100
100
15
15
GND
V
(pF)
CC
DIFF OUT (Y - Z)
OUT (Y, Z)
OUT (Y, Z)
OUT (Z)
OUT (Y)
t
t
ZH
ZL
DI
DE
, t
NOTE 9
, t
NOTE 9
ZH(SHDN)
ZL(SHDN)
NOTE 9
FIGURE 2B. MEASUREMENT POINTS
FIGURE 3B. MEASUREMENT POINTS
t
10%
R
90%
t
PLH
1.5V
1.5V
SKEW = |t
OUTPUT HIGH
2.3V
2.3V
OUTPUT LOW
PLH
- t
PHL
t
PHL
t
1.5V
t
HZ
LZ
1.5V
|
90%
V
V
OH
10%
OL
December 14, 2006
t
- 0.5V
+ 0.5V
F
3V
0V
3V
0V
+V
-V
FN6363.0
V
V
V
V
V
OH
OL
0V
OD
OD
OH
CC
OL