Datasheet

MAX3223E
www.ti.com .......................................................................................................................................... SLLS707A –JANUARY 2006–REVISED SEPTEMBER 2009
FUNCTION TABLES
ABC
EACH DRIVER
(1)
INPUTS
OUTPUT
DRIVER STATUS
VALID RIN
DOUT
DIN FORCEON FORCEOFF
RS-232 LEVEL
X X L X Z Powered off
L H H X H
Normal operation with
auto-powerdown disabled
H H H X L
L L H Yes H
Normal operation with
auto-powerdown enabled
H L H Yes L
L L H No Z
Powered off by
auto-powerdown feature
H L H No Z
(1) H = high level, L = low level, X = irrelevant, Z = high impedance
EACH RECEIVER
(1)
INPUTS
OUTPUT
VALID RIN
DOUT
RIN EN
RS-232 LEVEL
L L X H
H L X L
X H X Z
Open L No H
(1) H = high level, L = low level, X = irrelevant,
Z = high impedance (off),
Open = input disconnected or connected driver off
Copyright © 2006–2009, Texas Instruments Incorporated Submit Documentation Feedback 3
Product Folder Link(s): MAX3223E