Programmable RS-232/RS-485 Transceiver
SP334
Programmable RS-232/RS-485 Transceiver
• +5V Single Supply Operation • Software Programmable RS-232 or RS-485
S...
Description
SP334
Programmable RS-232/RS-485 Transceiver
+5V Single Supply Operation Software Programmable RS-232 or RS-485
Selection Three RS-232 Drivers and Five Receivers
in RS-232 Mode Two RS-485 Full-Duplex Transceivers in
RS-485 Mode Full Differential Driver Tri-State (Hi-Z) Control Receiver Output Tri-State Control
TI3 1 TXEN(n/c) 2
TX4(n/c) 3 TX3 4 VCC 5 TX1 6 TX2 7 GND 8 C1+ 9 V+ 10 C2+ 11 C1– 12 C2– 13 V– 14
SP334
28 TI2 27 TI1 26 RXEN 25 RS232/RS485 24 RI5 23 RX5 22 RX4 21 RX3 20 RX2 19 RX1 18 RI4 17 RI3 16 RI2 15 RI1
(in RS-232 Mode)
DESCRIPTION The SP334 is a programmable RS-232 and/or RS-485 transceiver IC. The SP334 contains three drivers and five receivers when selected in RS-232 mode; and two drivers and two receivers when selected in RS-485 mode.
The RS-232 transceivers can typically operate at 230kbps while adhering to the RS-232 specifications. The RS-485 transceivers can operate up to 10Mbps while adhering to the RS-485 specifications. T...
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