<http://schema.org/name>
"SN74LS640N: Bus Transceiver Single 8 Channel 3 Straight 20 Pin Pdip"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.jameco.com/1/1/33051-sn74ls640n-bus-transceiver-single-8-channel-3-straight-20-pin-pdip.html>