ISL4489EIBZ-T Intersil, ISL4489EIBZ-T Datasheet - Page 6

• Manufacturer Part Number: ISL4489EIBZ-T
• Description: IC TXRX RS-485/422 LP HS 14-SOIC
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL4489EIBZ-T

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Lead free / RoHS 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
R
DIFF
DE
DI
C
D
C
L
L
FIGURE 1. DRIVER V
= 100pF
= 100pF
ISL4489E, ISL4491E
Y
Z
V
OD
OD
SKEW = |t
DIFF OUT (Y - Z)
AND V
OUT (Y)
OUT (Z)
DI
R
R
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
1.5V
PLH
90%
50%
50%
10%
t
F
3V
0V
+V
-V
V
V
V
V
OH
OL
OH
OL
FN6074.3
OD
OD