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SP491ECN Datasheet(PDF) 1 Page - Sipex Corporation |
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SP491ECN Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 12 page 1 SP490EDS/14 SP490E Enhanced Full Duplex RS-485 Transceivers © Copyright 2000 Sipex Corporation SP490E/SP491E Enhanced Full Duplex RS-485 Transceivers s +5V Only s Low Power BiCMOS s Driver/Receiver Enable (SP491E) s RS-485 and RS-422 Drivers/Receivers s Pin Compatible with LTC490 and SN75179 (SP490E) s Pin Compatible with LTC491 and SN75180 (SP491E) s Improved ESD Specifications: ±15kV Human Body Model ±15kV IEC1000-4-2 Air Discharge ±8kV IEC1000-4-2 Contact Discharge DESCRIPTION… The SP490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 10Mbps. The SP491E is identical to the SP490E with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode range. The SP490E is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges. The SP491E 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 SP490E SP491E ® |
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