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Scarce or obsolete part you are looking for:

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

Where What
www.chipcatalog.com/ Chip Catalog. Related to www.chipsinfo.com/?
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.

Where What
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!

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