File:Motorola MC6820L MC6821L.jpg
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Summary
| Description | Motorola M6800 family Peripheral Interface Adapters (PIA). The PIA has two bidirectional 8-bit interface ports each with two control lines. The MC6820 was introduced in 1974 and fabricated with enhancement-mode NMOS. In 1976 the family was moved to a depletion-load technology to reduce chips size and increase speed. The electrical characteristics of the PIA interface were changed and the new part was named the MC6821. The L suffix indicates a ceramic package; the P suffix was for a plastic package. |
| Date | |
| Source | Own work |
| Author | Swtpc6800 en:User:Swtpc6800 Michael Holley |
Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:02, 5 May 2010 | | 1,300 × 1,100 (113 KB) | Swtpc6800 | ((Information |Description= Motorola M6800 family Peripheral Interface Adapters (PIA). |Source=((Own)) |Author=Swtpc6800 en:User:Swtpc6800 Michael Holley |Date=2010-05-04 |other_versions= )) Category:Motorola M6800 |
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