From mboxrd@z Thu Jan  1 00:00:00 1970
From: dave at horsfall.org (Dave Horsfall)
Date: Fri, 28 Feb 2020 15:12:25 +1100 (EST)
Subject: [COFF] 52-pin D-Sub?
In-Reply-To: <905CE999-5601-4521-847B-B2146C60B564@serissa.com>
References: <CAP2nic06ZQEqPRhr-s7-izSBv10EMWhsEpOcWfVp0rWT7NB4ZQ@mail.gmail.com>
 <alpine.BSF.2.21.9999.2002281050090.1121@aneurin.horsfall.org>
 <905CE999-5601-4521-847B-B2146C60B564@serissa.com>
Message-ID: <alpine.BSF.2.21.9999.2002281506420.1121@aneurin.horsfall.org>

On Thu, 27 Feb 2020, Lawrence Stewart wrote:

> Huh.  New to me too, but Digikey links to the datasheets, and they 
> really do mean DB.They go up to DD100.  They are called “double 
> density”.

No; the "B" in "DB" means B-sized e.g. the size of a DB-25 connector. 
This is a common mistake e.g. a "DB-9" (sic) would be a 25-pin sized 
connector holding just 9 pins (it's really a "DE-9") with godnoze-what 
spacing.

Believe it or not there is a convention for it:

     http://en.wikipedia.org/wiki/D-subminiature

Yes, it's one of my gripes...

-- Dave