Chip Directory
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Chip numbers starting with 684

nr name cat description manufacturer
684 AD684 amp* Monolithic quad* sample-and-hold amplifier (SHA). It features four complete sampling channels, each controlled by an independent hold command., data AD
684 MAX684 power 3.3V, Low-Dropout, Ultra-Low iq Linear Regulator Maxim*
6840 EF6840 timer 8-Bit NMOS* Programmable Timer, 1 MHz PDIP28 ST
6840 EF68A40 timer 8-Bit NMOS* Programmable Timer, 1.5 MHz PDIP28 ST
6840 EF68B40 timer 8-Bit NMOS* Programmable Timer, 2 MHz PDIP28 ST
6840 MC6840 timer programmable timer, pinout, Regs Motorola
6843 MC6843 fdc FDC* floppy controller Motorola
68430 68430 periph DMA* controller Signetics
6844 MC6844 dma Direct memory access controller, pinout Motorola
68440 MC68440 dma dual* direct memory access controller Motorola*
6845 6845 video pinout
6845 MC6845 video CRT* controller (as in IBM PC Monochrome and CGA screens) Motorola*, UMC
68450 MC68450 dma Direct memory access controller - 4 channel Motorola*
68451 MC68451 mmu* Memory Management Unit (MMU*) (obsolete) Motorola*
68452 68452 ~ pinout
68461 MC6846P1 periph RIOT (ROM I/O timer, 6802 monitor) Motorola
6847 MC6847 video CRT* controller (Low cost) Motorola
68488 MC68488 periph IEEE 488 Interface Adapter Motorola*

Other sites where you can search on chip number

www.chipdocs.com/ Very good!
www.icmaster.com/ Registration is needed in advance. Will be closed spring 2002.
www.questlink.com/ Registration is needed before you can download datasheets. Chips can sometimes be ordered via Arrow/Avnet.
www.elisnet.or.jp/ In Japanese only.

For more data about the above WWW sites and for more information sites.
www.findchips.com/ Do a search at 20+ distributors at once!
www.netcomponents.com/ Do a search for scarce chips at many brokers at once!

To get chips listed

When you're the webmaster/database manager of an IC* manufacturer and you'd like to get your IC*'s listed on sites like these (including the ICMaster) but don't want to deal with all sites separately, a couple of us are trying to set up a system whereby the IC* manufacturers just put a comma seperated value's (.csv) file on their site with all of their data and we all read that regurarly and work the data into our databases of chips. Please visit www.elip.org/ for more details. One of the manufacturers already cooperating is ON Semiconductor (formerly part of Motorola).
Ad for PCI video capturing boards by Dektec.
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