I found this parametric search very useful for finding
485 parts

http://para.maxim-ic.com/ss.asp?Fam=RS485&Tree=Interface&HP=Interface.cfm

example low power results

MAX1484 Full-Duplex, 12Mbps, RS-485/RS-422 Transceiver,
1Tx + 1Rx, 300uA, 256 Nodes $1.25

MAX1486 Software-Selectable Half-/Full Duplex, 12Mbps,
RS-485/RS-422 Transceiver, 1Tx + 1Rx, 300uA, 256 Nodes, $1.25

www.maxim-ic.com

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu