ISL4486IBZ Intersil, ISL4486IBZ Datasheet - Page 5

• Manufacturer Part Number: ISL4486IBZ
• Description: IC TXRX 5V RS-485 40MBPS 8-SOIC
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL4486IBZ

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Test Circuits and Waveforms
SIGNAL
GENERATOR
PARAMETER OUTPUT
SIGNAL
GENERATOR
V
t
t
t
t
HZ
ZH
LZ
ZL
CC
V
CC
DE
DI
DE
DI
FIGURE 2A. TEST CIRCUIT
FIGURE 3A. TEST CIRCUIT
FIGURE 1A. V
DE
DI
Y/Z
Y/Z
Y/Z
Y/Z
D
Z
Y
D
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
D
Y
Z
RE
X
X
X
X
5
Y
Z
OD
V
OD
AND V
C
L
R
1/0
0/1
1/0
0/1
DI
DIFF
OC
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
R
R
110Ω
GND
GND
V
V
SW
FIGURE 1. DC DRIVER TEST CIRCUITS
C
C
CC
CC
L
L
V
= 100pF
= 100pF
SW
OC
ISL4486, ISL81486
C
L
GND
50
50
50
50
V
(pF)
CC
V
DIFF OUT (Y - Z)
OUT (Y, Z)
OUT (Y, Z)
CC
SKEW = |CROSSING PT. OF Y↑ & Z↓ - CROSSING PT. OF Y↓ & Z↑|
OUT (Y)
OUT (Z)
DI
DE
DE
DI
FIGURE 1B. V
t
t
ZH
ZL
FIGURE 2B. MEASUREMENT POINTS
FIGURE 3B. MEASUREMENT POINTS
D
t
10%
Z
Y
R
90%
t
t
1.5V
PLH
PHL
1.5V
OD
OUTPUT HIGH
WITH COMMON MODE LOAD
50%
2.3V
50%
2.3V
V
OUTPUT LOW
OD
R
t
t
t
t
PHL
PLH
HZ
D
1.5V
1.5V
LZ
= 60Ω
V
V
90%
50%
50%
OH
OL
10%
- 0.5V
+ 0.5V
t
375Ω
375Ω
F
3V
0V
3V
0V
-7V to +12V
+V
-V
V
V
V
V
V
V
V
0V
V
OH
OL
OH
OL
OH
OL
CC
OD
OD
CM