SP486CT-L Datasheet, PDF (7/9 Pages) Exar Corporation – Quad RS-485/RS-422 Line Drivers

The SP486 and SP487 are low power quad
differential line drivers meeting RS-485 and
RS-422 standards. The SP486 features
active high and active low common driver
enable controls; the SP487 provides inde-
pendent, active high driver enable controls
for each pair of drivers. The driver outputs
are short-circuit limited to 200mA. Data rates
up to 10Mbps are supported. The SP486
and SP487 are available in a 16-pin SOIC
package.
INPUT
DI
H
L
H
L
X
ENABLES
EN
EN
H
X
H
X
X
L
X
L
L
H
OUTPUTS
OUTA OUTB
H
L
L
H
H
L
L
H
Hi-Z
Hi-Z
Table 1. SP486 Truth Table
INPUT
DI
H
L
X
ENABLES
EN₁/EN₂ or EN₃/EN₄
H
H
L
OUTPUTS
OUTA OUTB
H
L
L
H
Hi-Z Hi-Z
Table 2. SP487 Truth Table
DESCRIPTION
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP486_487_100_061611