[sdiy] frequency counter

[Magnus Danielson]

From: "phillip m gallo" <philgallo at attglobal.net>
Subject: RE: [sdiy] frequency counter
Date: Sun, 27 Jun 2004 11:28:09 -0700
Message-ID: <LNBBJEIPNJCGCIBENJCKOEBGCKAA.philgallo at attglobal.net>

> Steve,
>
> >  Anyone remember the ICL7216DIPI, that is a frequency counter on a chip?

Yes.

> > Anybody know where a schematic/data sheet for this critter might be?
> 
> Try here,
> 
> http://www.intersil.com/products/deviceinfo.asp?pn=ICM7216B
> 
> I have a Universal Counter built from this that i use often.

A classic. When somebody asked about a "simple" frequency counter, this chip
came up in my mind. The trouble is that it is in its end of life. I feared
that. This happends to all usefull chips :/

Anyway, a smallish FPGA or even CPLD could clone this functionality.

Cheers,
Magnus