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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 910*8 NTSC* line buffer NEC
42102 D42102 buffer 1134*8 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* 16M*1 DRAM fast page 4K ref* NEC
4216101 D4216101 dram* 16M*1 DRAM nibble 4K ref* NEC
4216102 D4216102 dram* 16M*1 DRAM static column 4K ref* NEC
4216400 D4216400 dram* 4M*4 DRAM fast page 4K ref* NEC
4216401 D4216401 dram* 4M*4 DRAM nibble 4K ref* NEC
4216402 D4216402 dram* 4M*4 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* 16M*1 DRAM fast page 2K ref* NEC
4217101 D4217101 dram* 16M*1 DRAM nibble 2K ref* NEC
4217102 D4217102 dram* 16M*1 DRAM static column 2K ref* NEC
4217400 D4217400 dram* 4M*4 DRAM fast page 2K ref* NEC
4217401 D4217401 dram* 4M*4 DRAM nibble 2K ref* NEC
4217402 D4217402 dram* 4M*4 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 256k*16 VRAM* EDO Micron
42264 D42264 video 64k*4 VRAM* CMOS* NEC
4227 RC4227GN OP-AMP, pinout Raytheon
42273 D42273 video 256k*4 VRAM* NEC
42274 D42274 video 256k*4 VRAM* flash write NEC
42275 D42275 video 128k*8 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 256k*4 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* 256k*16 DRAM fast page 2 CAS 512ref* NEC
424263 D424263 dram* 256k*16 DRAM fast page 2 CAS WPB 512ref* NEC
424280 D424280 dram* 256k*18 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*

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