15 Jun
2009
15 Jun
'09
3:59 p.m.
On 15 Jun 2009 at 3:31, Scanning wrote:
I think it is highly unlikely that the Vcc in his
circuit is anything
but 5 VDC. The designer would have to be a real dumbass to do
otherwise.... Besides, it's easy enough to measure and remove all
doubt... I recommended a 27C16 not a 2716 ( and yes I know the Vcc is
the same ).
Consider the age of this piece of gear. If it uses old-style (4000
series) CMOS for other things, the use of a 10 volt Vdd/Vcc has
advantages--increased speed and noise immunitity being the chiefest.
Would this piece of equipment be too new to use HTL?
--Chuck