Chip Directory
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Chip numbers starting with 452

nr name cat description manufacturer
452 ADG452 Quad* SPST* Switch with 5 Ohm On, data AD
452 MAX452 video Video amp* order from Barend
452 MAX452 cmos video multiplexer/amplifier, pinout maxim
452 MAX452 amp* 50MHz CMOS* Video Amplifier Maxim*
4520 4520 counter CMOS* Dual* Synchronous Up Counter 1.5MHz NS
4520 4520 ~ pinout
4520 HCF4520BEY counter cmos dual* bin up count ST
4520 HEC4520B counter dual* binary counter CERDIP16 Philips
4520 HEF4520B counter dual* binary counter DIL16, CERDIP16 Philips
4521 4521 counter CMOS* 24 stage divider (Q18..Q24) 2.0MHz 12us
4521 HEF4521B divider 24-stage frequency divider DIL16, CERDIP16 Philips
4522 4522 counter CMOS* 4 bit BCD divide by N counter 1.5MHz
4522 HEF4522B counter Programmable 4-bit BCD down counter DIL16, CERDIP16 Philips
4526 4526 counter CMOS* 4 bit binary divide by N counter 1.5MHz
4526 HEF4526B counter Programmable 4-bit binary down counter DIL16, CERDIP16 Philips
4527 4527 counter CMOS* BCD rate multiplier 1.2MHz
4527 4527 ~ pinout
4527 AK4527B codec* High-performance, 6-channel, 24-bit Audio CODEC* with A/D and D/A 96 kHz sampling AKM*
4527 HEF4527B mult BCD rate multiplier DIL16, CERDIP16 Philips
4528 4528 logic CMOS* Dual* Monostable Multivibrator NS
4528 HEC4528B vibra dual* monostable multivibrator Philips
4528 HEF4528B vibra dual* monostable multivibrator DIL16, CERDIP16 Philips

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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