Datasheets for IC's used in Commodore computers

LM3524 Regulating Pulse Width Modulator, used in C128DCR's powersuppily

MOS6526 Complex Interface Adapter (CIA), used in C64 & C128

MOS6551 Asynchronous Communication Interface Adapter (ACIA), used in PLUS/4

MOS6581 Sound Interface Device (SID), used in C64

MOS6582 Sound Interface Device (SID), used in C64

WD177x Floppy Disk Formatter/Controller, used in C1581 3.5" diskdrive