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SP490CN Datasheet(PDF) 1 Page - Sipex Corporation |
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SP490CN Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 12 page 1 Date: 02/24/05 SP490/491 Full Duplex RS-485 Transceivers © Copyright 2005 Sipex Corporation SP490/SP491 Full Duplex RS-485 Transceivers FEATURES ■ +5V Only ■ Low Power BiCMOS ■ Driver/Receiver Enable (SP491) ■ RS-485 and RS-422 Drivers/Receivers ■ Pin Compatible with LTC490 and SN75179 (SP490) ■ Pin Compatible with LTC491 and SN75180 (SP491) The SP490 is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps. The SP491 is identical to the SP490 with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode range. The SP490 is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges. The SP491 is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial and industrial temperature ranges. 6 1 2 3 4 5 7 8 Vcc GND R D A B Z Y R D 9 10 11 12 13 14 NC REB DE GND NC NC 1 2 3 4 5 6 7 8 R D Vcc GND R D A B Z Y SP490 SP491 ® DESCRIPTION BLOCK DIAGRAMS Now Available in Lead Free Packaging |
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