On Thu, 5 Mar 1998 09:41:06 +1000, TONY NIXON 54964 wrote: >> Anyone out there know how much current I can source/sink from a >> 74S244 line-driver and/or the 74S373 Line-driver? > >According to my data book (vintage 1984) >373 >High level output current = 6.5mA >Low level output current = 20mA > >From NS web file >244 >Logic1 out = 250mA >Logic0 out = 150mA My texas databook (vintage 1983) says: 74S244 Recommended operating conditions: high level output current IOH -15mA low level output current IOL 64mA