Chip Directory

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Chip numbers starting with 454

nr name cat description manufacturer
454 MAX454 amp* 4 Channel Mux*'ed 50MHz Video Amplifier Maxim*
4541 4541 timer CMOS* 16 stage prog timer 1.5MHz
4541 HEC4541B timer Programmable timer CERDIP14 Philips
4541 HEF4541 oscillator+counter=timer, pinout Philips
4541 HEF4541B timer Programmable timer DIL14, CERDIP14 Philips
4543 4543 converter CMOS* BCD to 7-Segment Decoder with latch, LCD NS
4543 4543 ~ pinout
4543 HEF4543B display BCD to 7-segment latch/decoder/driver DIL16, CERDIP16 Philips
4544 4544 converter CMOS* BCD to 7 seg with latch + RBI, LCD
4545 AK4545 codec* AC'97 Rev.2.1 compliant 18-bit CODEC* with built-in SPDIF output for PC Audio. AKM*
4547 4547 converter CMOS* BCD to 7 seg, NPN 65ma
4549 4549 sar CMOS* 8 bit SAR* with reset 0.8MHz

Other sites where you can search on chip number Very good! Registration is needed in advance. Will be closed spring 2002. Registration is needed before you can download datasheets. Chips can sometimes be ordered via Arrow/Avnet. In Japanese only.

For more data about the above WWW sites and for more information sites. Do a search at 20+ distributors at once! 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 for more details. One of the manufacturers already cooperating is ON Semiconductor (formerly part of Motorola).

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