ISL8488EIB Intersil, ISL8488EIB Datasheet - Page 6

• Manufacturer Part Number: ISL8488EIB
• Description: IC TXRX RS485/422 5V ESD 8-SOIC
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL8488EIB

• 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: Contains lead / RoHS non-compliant

Test Circuits and Waveforms
SIGNAL
GENERATOR
V
CC
DE
DI
FIGURE 2A. TEST CIRCUIT
D
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
Y
Z
6
V
CC
ISL8488E, ISL8489E, ISL8490E, ISL8491E
R
DIFF
DE
DI
C
D
C
L
L
FIGURE 1. DRIVER V
= 100pF
= 100pF
Y
Z
V
OD
OD
SKEW = |t
AND V
DIFF OUT (Y - Z)
OUT (Y)
OUT (Z)
R
R
DI
OC
PLH
FIGURE 2B. MEASUREMENT POINTS
(Y or Z) - t
V
OC
t
10%
R
90%
t
t
1.5V
PLH
PHL
PHL
(Z or Y)|
50%
50%
t
t
PHL
PLH
1.5V
90%
50%
50%
10%
t
F
3V
0V
July 26, 2007
+V
FN6073.4
-V
V
V
V
V
OH
OH
OL
OL
OD
OD