Commodore 64 Detailed Specs and Technical Info

(info table shamelessly copied from c64-wiki.com)

PCB Identifier Code Remarks     PCB Identifier Code Remarks     PCB Identifier Code Remarks     PCB Identifier Code Remarks
U1 6526 CIA 1 U2 6526 CIA 2 U3 2364 ROM
(BASIC)
U4 2364 ROM
(KERNAL)
U5 2332 ROM 
(Character)
U6 2114L-30 SRAM U7 6510 Processor U8 7406 Logic NOT
(Hex Inverter)
U9 4164 RAM U10 4164 RAM U11 4164 RAM U12 4164 RAM
U13 74LS257 Multiplexor U14 74LS258 Multiplexor U15 74LS139 Demultiplexor U16 4066 Quad Bilateral Switch
U17 82S100 PLA U18 6581 SID U19 6567 VIC-II U20 LM556 Dual Timer
U21 4164 RAM U22 4164 RAM U23 4164 RAM U24 4164 RAM
U25 74LS257 Multiplexor U26 74LS373 Multiplexor U27 74LS08 Logic
AND
U28 4066 Quad Bilateral Switch
U29 74LS74 Logic NOR (Divider) U30 74LS193 Binary Counter U31 74LS629 Oscillator U32 MC4044 Logic (Phase Detector)

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