Re: TIL 311
- I don't know if they actually have these in stock but I saw TIL311's
for sale for $5.95/ea.
- For archival / historical reference:
Here is a list of type equivalents for the 74s188:
--- In email@example.com, Lee Hart <leeahart@...> wrote:
> Patrick Draper wrote:
> > On Wed, Mar 29, 2006 at 06:59:27PM -0600, Lee Hart wrote:
> > > use an EPROM, PAL or microcontroller, programmed as a hex-to-7segment
> > That's such a nice, simple solution.
> It only looks simple externally. Inside, it's a darned complicated
> solution! Nevertheless, looks count...
> > Now, is there an easy way to drive multiple digits from one EPROM? :-)
> There are several approaches that come to mind.
> 1. Use a 32x8 PROM, like a 74S188. 4 of the 5 address inputs are the hex
> number to be displayed. Program 7 of the 8 outputs to drive the 7
> segments of your LED display. Use two PROMs, one each for the high
> and low nibble.
> Ring the bells that still can ring
> Forget the perfect offering
> There is a crack in everything
> That's how the light gets in -- Leonard Cohen
> Lee A. Hart, 814 8th Ave N, Sartell MN 56377, leeahart_at_earthlink.net