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Unzlbunzl
Joined: 30 Jan 2007
Posts: 468
Location: Graz, Austria
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 Posted: Thu Feb 08, 2007 6:56 am Post subject: Hi! What may these 2 be? |
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where on a board from late 70s along with dm7404n. Any ideas? comments on their odd look also welcome, of course!
thanks |
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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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vinicio
Joined: 15 Feb 2003
Posts: 435
Location: Italy - Tuscany
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| Posted: Thu Feb 08, 2007 8:01 am Post subject: |
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Resistor Network 
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Fatti non foste a viver come bruti, ma per seguir virtute e canoscenza.
(Dante Alighieri, Inferno, Canto XXVI, 119 - 120) |
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Wizzard1
Joined: 05 Nov 2006
Posts: 930
Location: Boston MA USA
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| Posted: Thu Feb 08, 2007 10:19 am Post subject: |
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Neat!! What a very interesting looking chip, albiet plain in function  |
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Marcin
Joined: 02 Jan 2005
Posts: 8519
Location: Poland
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soeren
Joined: 07 Mar 2006
Posts: 166
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| Posted: Thu Feb 08, 2007 12:00 pm Post subject: |
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| lol..they're looking funny |
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chip68
Joined: 19 Oct 2004
Posts: 1024
Location: Central Pennsylvania
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| Posted: Thu Feb 08, 2007 1:38 pm Post subject: |
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| vinicio wrote: | | Resistor Network |
Yup.
DM7404 = TTL hex inverter
- CMW |
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jd
Joined: 01 Jan 2006
Posts: 1562
Location: Canada
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| Posted: Fri Feb 09, 2007 10:16 am Post subject: |
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....simply looks like someone took the top layer off to me...
JD
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Unzlbunzl
Joined: 30 Jan 2007
Posts: 468
Location: Graz, Austria
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| Posted: Fri Feb 09, 2007 10:54 am Post subject: |
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| ...probably the manufacturer...there was definitely no "top layer" |
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chip68
Joined: 19 Oct 2004
Posts: 1024
Location: Central Pennsylvania
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| Posted: Fri Feb 09, 2007 11:24 am Post subject: |
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They originally had snap-on plastic covers that someone removed.
- CMW |
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