HP Forums › HP Museum Forums › Old HP Forum Archives v
Anode and cathode driver chips interchangeable on Classics?

Threaded Mode
Anode and cathode driver chips interchangeable on Classics?
Dan W Offline
Unregistered
Posts: 185
Threads: 20
Joined: Apr 2007
#1
08-08-2009, 01:45 PM

Hi all,

On the classics (35, 45, 55, 70, 80, and lets include the 65 and 67) are the anode and cathode driver chips electrically interchangeable? I see that the HP part numbers changed from time to time but the pinouts appear identical in all.

TIA

-- Dan

Find


Possibly Related Threads…
Thread Author Replies Views Last Post
  USB Chargers for Classics Matt Agajanian 3 1,468 05-07-2012, 08:10 PM
Last Post: Matt Agajanian
  HP-41 Memory chips info (for those HW guys out there :-) Diego Diaz 3 1,592 03-24-2012, 08:06 PM
Last Post: Diego Diaz
  Equivalent generic part # for HP cold-cathode displays... Nick de Smith 0 805 09-22-2011, 03:29 PM
Last Post: Nick de Smith
  Just some Classics eye candy Geoff Quickfall 4 1,429 06-17-2011, 12:46 AM
Last Post: Hal Bitton in Boise
  Surface soldered chips (HP71B) Alberto Fenini 4 1,362 11-22-2010, 05:40 PM
Last Post: Bill (Smithville, NJ)
  Wire Gauge in Classics aj04062 2 1,221 10-30-2010, 07:40 PM
Last Post: aj04062
  Charging 'classics' from a USB port Katie Wasserman 16 3,890 10-06-2010, 02:54 PM
Last Post: Juergen Keller
  HP Calc chips and parts - who needs them? Jim Horn 11 2,651 09-23-2010, 10:15 PM
Last Post: tim m.
  HP-IL Chips (1LB3-0003) and other goodies - what to do with them? Jim Horn 2 1,081 09-14-2010, 12:39 AM
Last Post: Jim Horn
  HP-25C needs chips to come back to life Jean-Michel 2 1,092 06-10-2010, 09:20 PM
Last Post: Vieira, Luiz C. (Brazil)

Forum Jump: