SP487

® SP486/487 Quad RS-485/RS-422 Line Drivers s s s s s s s s s RS-485 or RS-422 Applications Quad Differential Line Drivers Tri–state Output Control 40ns Typical Driver Propagation Delays 5ns Skew –7V to +12V Common Mode Output Range 100µA Supply Current Single +5V Supply Operation Pin Compatible with SN75172, SN75174, LTC486, and LTC487 DESCRIPTION… The SP486 and SP487 are low–power quad differential line drivers meeting RS-485 and RS-422 standards. The SP486 features a common driver enable control; the SP487 provides independent driver enable controls for each pair of drivers. Both feature tri–state outputs and wide common–mode input range. Both are available in 16–pin plastic DIP and SOIC packages. DI1 DO1A DO1B EN DO2B DO2A DI2 GND 1 SP486 1 16 15 VCC DI4 DO4A DO4B EN DO3B DO3A DI3 DI1 DO1A DO1B EN1/EN2 DO2B DO2A DI2 GND 1 SP487 1 16 15 VCC DI4 DO4A DO4B EN3/EN4 DO3B DO3A DI3 2 2 4 3 4 5 6 14 13 12 11 3 4 5 6 4 14 13 12 11 2 7 10 2 7 10 3 8 9 3 8 9 SP486/487 Quad RS-485/RS-422 Line Drivers © Copyright 2000 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. VCC ............................................................................................ +7V Input Voltages Logi...