21 Nov
2009
21 Nov
'09
7:58 a.m.
Chuck Guzis wrote:
Other than a different pinout, how does this differ
from a plain old
7438?
Many of the DEC bus driver/receiver/transceiver chips were binned
(selected) for specs beyond what the manufacturer guaranteed for
standard parts. One of the characteristics they binned for was low
leakage current, which was essential on large systems.
Eric