About: http://webisa.webdatacommons.org/425817384

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The purpose of this one-shop 494 is mostly interface between the roughly 0 to 15 volt swing of the power supply signal, and the 0 to 5 volt levels that are standard for the TTL logic.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com