sp301ct Exar Corporation, sp301ct Datasheet - Page 10

• Manufacturer Part Number: sp301ct
• Description: Rs-232/rs-422 Line Drivers/receivers
• Manufacturer: Exar Corporation

60
A single RS-232 line driver and receiver, and a
single RS-422 line driver and receiver. At first
glance, this is the same configuration as that in
Figure 5. Note however that functions are acti-
vated on the opposite channels as that of those in
Figure 1b.
One-Channel Full Duplex RS-232 &
One-Channel Full Duplex RS-422
RS-422 LINE DRIVER & RECEIVER
RS-232 LINE DRIVER & RECEIVER
ROB
ROA
TIA
TIB
Opposite Drivers
SELECT A = 1
SELECT B = 0
LB = 1
FIGURE 6: SP301 CONFIGURATIONS
TOA
TOA
TOB
RIA
RIA
RIB
1
2
1
1
2
1
Two RS-422 line drivers and two RS-422
receivers.
Two-Channel Full Duplex RS-422
RS-422 LINE DRIVERS
RS-422 RECEIVERS
ROA
ROB
TIA
TIB
SELECT A = 1
SELECT B = 1
LB = 1
TOA
TOA
TOB
TOB
RIA
RIA
RIB
RIB
SIGNAL PROCESSING EXCELLENCE
1
2
1
2
1
2
1
2
Corporation