sp304ct Exar Corporation, sp304ct Datasheet - Page 8

• Manufacturer Part Number: sp304ct
• Description: Rs-232/rs-422 Line Drivers/receivers
• Manufacturer: Exar Corporation

84
Four independent channels of RS-232 line driver
and four channels of RS-232 receiver.
Four-Channel Duplex RS-232
RS-232 LINE DRIVERS
RS-232 RECEIVERS
ROA
ROA
ROB
ROB
TIA
TIA
TIB
TIB
SELECT A = 0
SELECT B = 0
LB = 1
1
2
1
2
1
2
1
2
TOB
TOA
TOA
TOB
RIA
RIA
RIB
RIB
FIGURE 4: SP304 CONFIGURATIONS
1
2
1
2
1
2
1
2
Two RS-232 line drivers and receivers, and a
single RS-422 line driver and receiver.
Two-Channel Duplex RS-232 &
One-Channel Duplex RS-422
RS-232 LINE DRIVERS
RS-232 RECEIVERS
RS-422 LINE DRIVER
RS-422 RECEIVER
TIB
ROB
ROA
ROA
TIA
TIA
1
1
2
1
1
2
SELECT A = 0
SELECT B = 1
LB = 1
TOB
TOB
RIB
RIB
TOA
TOA
RIA
RIA
1
2
1
2
1
2
1
2
SIGNAL PROCESSING EXCELLENCE
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