Chip Directory
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Chip numbers starting with 549

nr name cat description manufacturer
549 AD549 amp* Ultralow Input Bias Current Operational Amplifier, data AD
549 TLC549 adc,spi ADC, 8-bit single-channel TI
5490 counter 4-Bit Decade Counter NS
54913 counter Up/Down Binary Counter NS
5495 shift 4-Bit Right/Left Shift Register NS
5497 mult Synchronous Module 64-Bit Rate Multiplier NS

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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