www.DataSheet4U.com MC54/74F399 QUAD 2-PORT REGIS.
MC54F399 - QUAD 2-PORT REGISTER FAST SCHOTTKY TTL
www.DataSheet4U.com MC54/74F399 QUAD 2-PORT REGISTER The MC54/74F399 is the logical equivalent of a quad 2-input multiplexer feeding into four edge-t.