ISL32172EFBZ Intersil, ISL32172EFBZ Datasheet - Page 9

• Manufacturer Part Number: ISL32172EFBZ
• Description: IC XMITTER ESD RS422 LP 16-SOIC
• Manufacturer: Intersil
• Type: Transmitterr

Specifications of ISL32172EFBZ

• Number Of Drivers/receivers: 4/0
• Protocol: RS422
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Test Circuits and Waveforms
SIGNAL
GENERATOR
SIGNAL
GENERATOR
V
CC
ISL32172E, ISL32272E, ISL32372E, ISL32174E, ISL32274E, ISL32374E, ISL32179E
t
t
PARAMETER
SDH
t
SDL
t
OR V
ZH
ZL
(Note 12)
(Note 12)
(Note 13)
(Note 13)
L
t
t
HZ
LZ
EN
DI
FIGURE 2A. TEST CIRCUIT
FIGURE 3A. TEST CIRCUIT
EN
DI
D
OUTPUT
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
D
Y
Z
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
9
Y
Z
V
CC
R
DIFF
1/0
0/1
1/0
0/1
1/0
0/1
DI
OR V
50pF
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
110Ω
L
FIGURE 1. DC DRIVER TEST CIRCUITS
C
GND
GND
GND
V
V
V
EN
DI
SW
D
CC
CC
CC
SW
D
GND
V
CC
Z
Y
V
OD
DIFF OUT (Y - Z)
OUT (Y, Z)
OUT (Y, Z)
OUT (Y)
OUT (Z)
DI
EN
t
SSK
R
R
L
L
t
/2
/2
DDLH
t
t
= |t
t
t
t
SDH
t
SDL
PLH
PHL
ZH
ZL
FIGURE 2B. MEASUREMENT POINTS
FIGURE 3B. MEASUREMENT POINTS
PLH(Y OR Z)
V
OC
t
10%
R
90%
0V
1.5V
1.5V
- t
OUTPUT HIGH
PHL(Z OR Y)
50%
50%
50%
50%
OUTPUT LOW
t
SSK
|
t
t
t
SSK
t
HZ
1.5V
1.5V
LZ
DSK
LOWER OF V
= |t
V
V
50%
90%
50%
OH
OL
0V
10%
DDLH
t
PHL
December 16, 2008
t
+ 0.5V
t
- 0.5V
DDHL
t
PLH
F
3V OR V
0V
0V
- t
CC
DDHL
+V
FN6824.0
-V
V
V
V
V
V
V
V
0V
OR V
OH
CC
OL
OH
OL
OH
OL
OD
OD
L
|
L