ISL31498EIUZ Intersil, ISL31498EIUZ Datasheet - Page 12

• Manufacturer Part Number: ISL31498EIUZ
• Description: IC TXRX RS485 FAULT PROT 8MSOP
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL31498EIUZ

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Test Circuits and Waveforms
SIGNAL
GENERATOR
PARAMETER OUTPUT
SIGNAL
GENERATOR
t
t
ZH(SHDN)
ZL(SHDN)
SIGNAL
GENERATOR
t
t
t
t
HZ
ZH
LZ
ZL
ISL31490E, ISL31491E, ISL31492E, ISL31493E, ISL31495E, ISL31496E,
V
CC
V
CC
DE
DI
FIGURE 2A. TEST CIRCUIT
FIGURE 3A. TEST CIRCUIT
FIGURE 4A. TEST CIRCUIT
DE
DI
DE
DI
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
D
D
Y
Z
D
Y
Z
0 (Note 13)
0 (Note 13)
1 (Note 16)
1 (Note 16)
12
Z
Y
*USED ONLY FOR COMMON
MODE LOAD TESTS
RE
X
X
54Ω
C
D
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
1/0
0/1
1/0
0/1
1/0
0/1
C
R
DI
110Ω
L
D
375Ω*
C
37Ω*
D
FIGURE 4. DRIVER DATA RATE
GND
GND
GND
V
V
V
SW
SW
CC
CC
CC
V
GND
V
CM
(pF)
V
CC
100
100
100
100
C
50
50
(Continued)
OD
+
-
L
DIFF OUT (Y - Z)
t
(Note 15)
(Note 15)
t
ZH
OUT (Y, Z)
ZL
OUT (Y, Z)
DIFF OUT (Y - Z)
OUT (Y)
OUT (Z)
, t
, t
DE
DI
ZH(SHDN)
ZL(SHDN)
DI
(Note 15)
FIGURE 2B. MEASUREMENT POINTS
FIGURE 3B. MEASUREMENT POINTS
FIGURE 4B. MEASUREMENT POINTS
10%
t
R
-V
90%
SKEW = | t
1.5V
t
OD
1.5V
PLH
OUTPUT HIGH
2.3V
2.3V
OUTPUT LOW
PLH
- t
PHL
t
t
HZ
LZ
1.5V
t
1.5V
PHL
|
V
V
OH
OL
+V
90%
10%
OD
+ 0.5V
- 0.5V
t
3V
0V
June 17, 2010
F
3V
0V
3V
0V
0V
FN7637.0
+V
V
-V
V
V
V
V
0V
OH
CC
OL
OH
OL
OD
OD