20 Sep
2013
20 Sep
'13
12:36 a.m.
On 19/09/2013 18:30, Steve Lafferty wrote:
--- I suppose you're basically right, but the TI
datasheet doesn't
specify the output voltage at that current. It shows 48mA as being
the maximum recommended sink current
Maybe it depends on the data sheet or data book you're looking at, but
mine (Texas TTL Data Book 5th ed.) clearly states for 7433 and 7438, Iol
max 48mA and then Vol max @ Iol=max 0.4V.
--
Pete Peter Turnbull
Network Manager
University of York