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xi11west

Joined: 07 Mar 2005 Posts: 1526 Location: Houston, TX
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Posted: Wed Jan 18, 2006 12:59 am Post subject: More unknown chips |
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Does anyone know them?  |
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CPUShack

Joined: 16 Jun 2003 Posts: 34259 Location: State of Jefferson, USA
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xi11west

Joined: 07 Mar 2005 Posts: 1526 Location: Houston, TX
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CPUShack

Joined: 16 Jun 2003 Posts: 34259 Location: State of Jefferson, USA
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Posted: Wed Jan 18, 2006 2:48 am Post subject: |
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VIC068A VMEbus Interface Controller (By Cypress)
Dunno about the raytheon
EA1500 is a 1K DRM (Electronic Arrays)
the RCA ones are 4000 series CMOS logic chips _________________ New for 2025! The CPU Shack has a co-processor!
Visit The CPU Shack of microprocessor history and information. |
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Elar
Joined: 16 Jul 2003 Posts: 746 Location: Tallinn, Estonia
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Posted: Thu Jan 19, 2006 9:49 am Post subject: |
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According to some patent description CRC8030 is telephone multi-frequency receiver (DTMF??):
| Quote: | | An illustrative tone decoder useful with the apparatus of the present invention is the Rockwell Multi-Frequency Receiver No. CRC8030 which is described in the Rockwell International Inc. Applications Note No. 1978/523-10011812-201F2J |
http://www.freepatentsonline.com/4277648.html |
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Elar
Joined: 16 Jul 2003 Posts: 746 Location: Tallinn, Estonia
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