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Chip numbers starting with 42

nr	name	cat	description	manufacturer
42	OP-42		OPAMP*, pinout	AD
42	OP42	amp*	High Speed, Fast Settling Precision Operational Amplifier, data	AD
42	SO42-5X	mixer	same, original Siemens (smd) - see TBB042G
42	SO42P-SIE	mixer	same, original Siemens	order from Barend
42	SO42P-TSL	mixer	Mixer in DIL	order from Barend
42	UAF42	filter	active filter 100KHz	BB
420	AD420	dac*,spi	DAC, 16-bit 4-20 mA current loop with on-chip reference	AD
420	AD420	dac*	Serial Input 16-Bit 4 20 mA, 0 20 mA DAC, data	AD
420	MAX420		+/-15V chopper stabiliser opamp*, pinout	maxim
420	MAX420	amp*	±15V Chopper Stabilized opamp*	Maxim*
420	OP420	amp*	Quad* Micropower Operational Amplifier, data	AD
420	RCV420		Precision 4-20mA Current Loop Receiver, pinout	Burr-Brown
4200	HCPL4200		20MA CURRENT LOOP, pinout	HP
4200	R4200	mpu*	RISC processor, www.mips.com/HTMLs/R4200_B.html	MIPS*
4202	XR4202	amp*	quad* programmable opamp*	Exar (obsolete)
421	AD421	dac*	Loop-Powered 4-20 mA DAC, data	AD
421	DG421	switch	Improved, Low On Resistance, CMOS* analog switch	Maxim*
421	MAX421	amp*	±15V Chopper Stabilized opamp*	Maxim*
421	OP421	amp*	Quad, Low-Power, Single or Dual Supply, data	AD
421000	D421000	dram*	1M*1 DRAM (NEC) pinout
421001	421001	~	pinout
421002	421002	~	pinout
42101	D42101	buffer	9108 NTSC line buffer	NEC
42102	D42102	buffer	11348 PAL line buffer	NEC
4212	PLC42VA12	pl	CMOS* universal EPLD DIL24, CERDIP24	Philips
4212	SDA4212		see U891BS
4216100	4216100		16Mx1 DRAM 4K refresh, pinout	NEC
4216100	D4216100	dram*	16M1 DRAM fast page 4K ref	NEC
4216101	D4216101	dram*	16M1 DRAM nibble 4K ref	NEC
4216102	D4216102	dram*	16M1 DRAM static column 4K ref	NEC
4216400	D4216400	dram*	4M4 DRAM fast page 4K ref	NEC
4216401	D4216401	dram*	4M4 DRAM nibble 4K ref	NEC
4216402	D4216402	dram*	4M4 DRAM static column 4K ref	NEC
4216405	4216405		4Mx4 DRAM, pinout	NEC
4216800	4216800		2Mx8 DRAM 4K Refresh, pinout	NEC
4216800	D4216800	dram*	2M*8 DRAM fast page 4Kref	NEC
4216802	D4216802	dram*	2M*8 DRAM static column	NEC
4216805	4216805		2Mx8 DRAM HYPER PAGE MODE, pinout	NEC
4217100	4217100		16Mx1 DRAM 2K refresh, pinout	NEC
4217100	D4217100	dram*	16M1 DRAM fast page 2K ref	NEC
4217101	D4217101	dram*	16M1 DRAM nibble 2K ref	NEC
4217102	D4217102	dram*	16M1 DRAM static column 2K ref	NEC
4217400	D4217400	dram*	4M4 DRAM fast page 2K ref	NEC
4217401	D4217401	dram*	4M4 DRAM nibble 2K ref	NEC
4217402	D4217402	dram*	4M4 DRAM static column 2K ref	NEC
4217800	4217800		2Mx8 DRAM 2K Refresh, pinout	NEC
4217800	D4217800	dram*	2M*8 DRAM fast page 2Kref	NEC
422	AL422	video	3M-bit Frame buffer	Averlogic*
422	MAX422		+/-15V chopper stabiliser opamp*, pinout	maxim
422	MAX422	amp*	Low Power, ±15V Chopper Stabilized opamp*	Maxim*
4225616	MT42C256K16A1	video	256k16 VRAM EDO	Micron
42264	D42264	video	64k4 VRAM CMOS*	NEC
4227	RC4227GN		OP-AMP, pinout	Raytheon
42273	D42273	video	256k4 VRAM	NEC
42274	D42274	video	256k4 VRAM flash write	NEC
42275	D42275	video	128k8 VRAM	NEC
423	DG423	switch	Improved, Low On Resistance, CMOS* analog switch	Maxim*
423	MAX423	amp*	Low Power, ±15V Chopper Stabilized opamp*	Maxim*
4241	MM4241ABL	rom	5x7 char gen ROM, col scan, 900ns	NS
424100	D424100	dram*	4M*1 DRAM fast page (NEC) pinout
424101	D424101	dram*	4M*1 DRAM nibble	NEC
424102	D424102	dram*	4M*1 DRAM static column	NEC
424170	D424170	dram*	256k*16 DRAM fast page 1Kref	NEC
424190	D424190	dram*	256k*18 DRAM fast page 1Kref	NEC
424256	D424256	dram*	256k*4 DRAM	NEC
424256	MT42C4256	video	256k4 VRAM 512*4 SAM	Micron
424256	MT42C4256Z	dram*	256X4 VIDEO ZIP	Micron?
424256	uPD424256C	dram*	256k*4 Fast Pagemode DRAM	NEC*
424257	KM424C257J	dram*	256X8-70, VIDEO SOJ	Samsung
424257	KM424C257Z	dram*	256X4-70 VIDEO ZIP	Samsung
424260	424260		256k * 16 DRAM, pinout	NEC
424260	D424260	dram*	256k16 DRAM fast page 2 CAS 512ref	NEC
424263	D424263	dram*	256k16 DRAM fast page 2 CAS WPB 512ref	NEC
424280	D424280	dram*	256k18 DRAM fast page 2 CAS 512ref	NEC
424400	D424400	dram*	1M*4 DRAM fast page (NEC) pinout
424402	D424402	dram*	1M*4 DRAM static column	NEC
424410	D424410	dram*	1M*4 DRAM fast page WPB	NEC
424412	D424412	dram*	1M*4 DRAM static column WPB	NEC
424440	D424440	dram*	1M*4 DRAM fast page 4 CAS	NEC
424800	D424800	dram*	512k*8 DRAM fast page	NEC
424810	D424810	dram*	512k*8 DRAM fast page WPB	NEC
424900	D424900	dram*	512k*9 DRAM fast page	NEC
425	4N25		OptoIsolator, pinout	TI
425	4N25	~	pinout
425	DG425	switch	Improved, Low On Resistance, CMOS* analog switch	Maxim*
4250	LM4250	opamp*	Precision opamp* DIP8	order from Barend
4250	LM4250	amp*	Programable opamp*	NS
4256	TMS4256-12nl	dram*	DRAM 256k*1 page mode 120ns	TI
4256	TMS4256-15nl	dram*	DRAM 256k*1 page mode 150ns	TI
426	4N26		OptoCoupler, pinout	TI
426	ADG426		t - LC, data	AD
426	CLC426	amp*	50 MHz VF opamp*	Comlinear
427	4N27		OptoCoupler, pinout	TI
427	MAX427		LO NOISE PREC OP AMP*, pinout	Maxim
427	MAX427	amp*	Low-Noise, High-Precision opamp*	Maxim*
428	4N28		OptoCoupler, pinout	TI
428	ADG428		t - LC, data	AD
428	CLC428	amp*	dual* 40 MHz VF opamp*	Comlinear
428	ZN428	dac*	8-bit D-A Converter , data (shtml needed)	GPS
4287	MT4LC2M8E7	dram*	2M*8 DRAM EDO	Micron
429	4N29	isol	Spectronics optoisolator	Spectronics
429	ADG429		t - LC, data	AD
429	MXT429	power	High-Speed, 6A MOSFET Driver (Inverting)	Maxim*

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!

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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