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SP334CT Datasheet(PDF) 1 Page - Sipex Corporation |
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SP334CT Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 12 page 1 SP334DS/10 Programmable RS-232/RS-485 Transceiver © Copyright 2000 Sipex Corporation SP334 Programmable RS-232/RS-485 Transceiver s +5V Only Operation s Software Programmable RS-232 or RS- 485 Selection s Three RS-232 Drivers and Five Receivers in RS-232 Mode s Two RS-485 Full-Duplex Transceivers in RS-485 Mode s Full Differential Driver Tri-State (Hi-Z) Control s Receiver Output Tri-State Control 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. The RS-485 drivers can be disabled (High-Z output) by the TXEN enable pin. The RS-232 and RS-485 receiver outputs can be disabled by the RXEN enable pin. TI3 TXEN(n/c) TX4(n/c) TX3 VCC TX1 TX2 GND C1+ V+ C2+ C1– C2– V– TI2 TI1 RXEN RS232/RS485 RI5 RX5 RX4 RX3 RX2 RX1 RI4 RI3 RI2 RI1 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SP334 (in RS-232 mode) ® |
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