ISL31490E_10 Datasheet, PDF (3/27 Pages) Intersil Corporation – ±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range

ISL31490E, ISL31491E, ISL31492E, ISL31493E, ISL31495E, ISL31496E,
Pin Configurations
ISL31492E, ISL31495E, ISL31498E
(8 LD MSOP, 8 LD SOIC,
8 LD PDIP, 8 LD TDFN)
TOP VIEW
RO 1
R
RE 2
DE 3
DI 4
D
8 V_CC
7 B/Z
6 A/Y
5 GND
ISL31490E, ISL31493E, ISL31496E
(10 LD MSOP, 10 LD TDFN)
TOP VIEW
RO 1
R
RE 2
DE 3
DI 4
D
GND 5
10 V_CC
9A
8B
7Z
6Y
ISL31490E, ISL31493E, ISL31496E
(14 LD SOIC)
TOP VIEW
NC 1
RO 2
R
RE 3
DE 4
DI 5
D
GND 6
GND 7
14 V_CC
13 V_CC
12 A
11 B
10 Z
9Y
8 NC
ISL31491E
(8 LD SOIC)
TOP VIEW
V_{CC 1}
R
RO 2
DI 3
GND 4
D
8A
7B
6Z
5Y
NOTE: Evaluate creepage and clearance requirements at your maximum fault voltage before using small pitch packages (e.g.,
MSOP and TDFN).
Truth Tables
TRANSMITTING
INPUTS
OUTPUTS
RE
DE
DI
Z
Y
X
1
1
0
1
X
1
0
1
0
0
0
X
High-Z
High-Z
1
0
X
High-Z* High-Z*
NOTE: *Low Power Shutdown Mode (see Note 15 on page 11),
except for ISL31491E.
RECEIVING
INPUTS
OUTPUT
RE
DE
DE
A-B
RO
Half Duplex Full Duplex
0
0
X
≥ -0.01V
1
0
0
X
≤ -0.2V
0
0
0
X
Inputs
1
Open/Shorted
1
0
0
X
High-Z*
1
1
1
X
High-Z
NOTE: *Low Power Shutdown Mode (see Note 15 on page 11),
except for ISL31491E.
3
FN7637.0
June 17, 2010