Chip Directory
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Chip numbers starting with 546

nr name cat description manufacturer
546 5B46 Isolated Frequency-to-Voltage Converters 275 kHz Input Max., data AD
546 AD546 amp* 1 pA Monolithic Electrometer Operational Amplifier, data AD
546 TLC546 adc,spi ADC, 8-bit 19-channel with self-test support TI
5464 logic 4-2-3-2 Input AND*/OR* Invert Gate NS
54640 driver Inverting Octal* Transceiver NS
54643 driver Octal* True-lnverting Transceiver NS
54646 driver Octal* bus Transceiver/Register NS
54648 driver Octal* bus Transceiver/Register NS
54651 driver Octal* bus Transceiver/Register NS
54652 driver Octal* bus Transceiver/Register NS
54657 driver Octal* Bidirectional Transceiver with Parity NS
54670 reg 4*4 Register File NS
54676 shift 16-Bit Serial/Parallel-in, Serial-Out Shift Register NS
54688 cmp 8-Bit Magnitude Comparator 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).
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