ISL3179EFUZ-T Intersil, ISL3179EFUZ-T Datasheet - Page 7

• Manufacturer Part Number: ISL3179EFUZ-T
• Description: TXRX ESD 3.3V RS-485/422 8-MSOP
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL3179EFUZ-T

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Test Circuits and Waveforms
SIGNAL
GENERATOR
PARAMETER
SIGNAL
GENERATOR
t
t
ZH(SHDN)
ZL(SHDN)
SIGNAL
GENERATOR
t
t
t
t
HZ
ZH
LZ
ZL
V
CC
V
CC
DE
DI
DE
DI
FIGURE 2A. TEST CIRCUIT
FIGURE 3A. TEST CIRCUIT
FIGURE 4A. TEST CIRCUIT
DE
DI
OUTPUT
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
D
D
Z
Y
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
D
Y
Z
7
Y
Z
0 (Note 6)
0 (Note 6)
1 (Note 9)
1 (Note 9)
54Ω
RE
X
X
R
D
50pF
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
V
(Continued)
110Ω
OD
+
-
1/0
0/1
1/0
0/1
1/0
0/1
DI
C
D
C
SW
C
FIGURE 4. DRIVER DATA RATE
L
L
ISL3179E, ISL3180E
GND
GND
GND
V
V
V
SW
GND
V
CC
CC
CC
CC
DIFF OUT (Y - Z)
OUT (Y, Z)
OUT (Y, Z)
t
t
ZH
OUT (Z)
OUT (Y)
ZL
DIFF OUT (Y - Z)
DI
, t
(Note 8)
, t
(Note 8)
DE
ZH(SHDN)
ZL(SHDN)
DI
(Note 8)
FIGURE 2B. MEASUREMENT POINTS
FIGURE 3B. MEASUREMENT POINTS
FIGURE 4B. MEASUREMENT POINTS
t
10%
R
90%
t
PLH
1.5V
1.5V
-V
OD
SKEW = |t
OUTPUT HIGH
50%
50%
OUTPUT LOW
PLH
- t
PHL
t
t
t
PHL
HZ
1.5V
1.5V
LZ
|
V
V
90%
OH
OL
10%
+V
+ 0.5V
- 0.5V
t
F
OD
3V
0V
3V
0V
April 22, 2008
3V
0V
+V
-V
0V
FN6365.2
V
V
V
V
V
0V
OH
OH
OL
CC
OL
OD
OD