On Sun, 27 Jan 2013, Kip wrote:
Greetings all! My shift registers seem to be working well as a cheap
and easy port expander! Apologies for how long it took me to write it
up, but we are currently in the middle of the FIRST Robotics Challenge
build season, so I'm spending almost every
Digikey.com . You also might consider 74HC595, 74HC497, or
74AHC595 and 74AHC597.
-- Ralph
From: kqt4a...@gmail.com [kqt4a...@gmail.com]
Sent: Tuesday, February 05, 2013 6:05 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Help, out of
Or mouser.
http://www.mouser.com/Semiconductors/Logic-ICs/Counter-Shift-Registers/_/N-55d4h?Keyword=74hct595FS=True
http://www.mouser.com/ProductDetail/NXP-Semiconductors/74HC595N112/?qs=sGAEpiMZZMtsbn1GaJyslyeJrXytowv1%2fYsIv18i%2fyU%3d
On Tue, Feb 5, 2013 at 9:11 AM, Ralph Stirling
On 5 February 2013 16:11, Ralph Stirling ralph.stirl...@wallawalla.eduwrote:
Digikey.com . You also might consider 74HC595, 74HC497, or
74AHC595 and 74AHC597.
-- Ralph
Don't use 74HC parts. Use 74HCT as these are TTL compatible. HC parts need
to be driven closer to the rail, and often
On Tue, 5 Feb 2013, Roland Jollivet wrote:
On 5 February 2013 16:11, Ralph Stirling ralph.stirl...@wallawalla.eduwrote:
Digikey.com . You also might consider 74HC595, 74HC497, or
74AHC595 and 74AHC597.
-- Ralph
Don't use 74HC parts. Use 74HCT as these are TTL compatible. HC parts need
I would imagine that the LS chips are expensive because they are obsolete.
I used them because they were in my junk drawer. I would recommend using
the HCT series.
I see that the pin names have changed a bit from the old datasheets.
STCP = Storage Register Clock, I referred to as 'Latch',
On 5 February 2013 20:33, kqt4a...@gmail.com wrote:
On Tue, 5 Feb 2013, Roland Jollivet wrote:
On 5 February 2013 16:11, Ralph Stirling ralph.stirl...@wallawalla.edu
wrote:
Digikey.com . You also might consider 74HC595, 74HC497, or
74AHC595 and 74AHC597.
-- Ralph
Don't use
