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Scarce or obsolete part you are looking for:

Chip numbers starting with 545

nr name cat description manufacturer
545 5B45 Isolated Frequency-to-Voltage Converters 250 kHz Max, data AD
545 TLC545 adc*,spi ADC, higher speed TLC546 TI
54502 adc*? 8-Bit Successive Approximation Register with Expansion NS
54503 adc*? 8-Bit Successive Approximation Register NS
5451 logic dual* 2-Wide AND-OR-invert Gate NS
54512 prom 64k*8 CMOS* OTPROM* Toshiba
5452 driver 32 Seg LCD Display Driver NS
54521 cmp 8-Bit Identity Comparator NS
54533 latch Octal* Transparent Latch NS
54534 ff Octal* D Flip-Flop NS
5454 logic 4-Wide, 2-Input AND-OR-Invert Gate NS
54540 driver Octal* Buffer/Line Driver NS
54541 driver Octal* Buffer/Line Driver NS
54544 driver Octal* Registered Transceiver NS
54545 driver Octal* Bidirectional Transceiver NS
54547 mux* Octal* Decoder/Demultiplexer NS
54548 mux* Octal* Decoder/Multiplexer NS
5455 logic 2-Wide, 4-Input AND-OR-Invert Gate NS
54563 latch Octal* D-Type Latch NS
54564 ff Octal* D Flip-Flop/latch NS
54573 ff Octal* D-Type Latch NS
54574 ff Octal* D Flip-Flop NS
54583 logic 4-Bit BCD Adder 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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