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| nr | name | cat | description | manufacturer | 
|---|---|---|---|---|
| 274 | TLC274 | opamp | =TS274 LINCMOS OpAmp* quad DIL or SMD | order from Barend | 
| 274 | TLC274 | PRECISION OPERATIONAL AMPLIFIER, pinout | TEXAS INSTRUMENTS | |
| 2740 | prom | 4k*4 Bit Generic Series Bipolar IMOX PROM* | AMD* | |
| 274000 | 27C4000 | eprom | 512k*8, 256k*16? EPROM* | Hitachi | 
| 274001 | 274001 | eprom | pinout | |
| 274001 | 27C4001 | eprom | 512k*8 EPROM* | Hitachi | 
| 274001 | M27C4001 | eprom | 512k*8 EPROM* 32pin | ST | 
| 27401 | 27C401 | eprom | 512k*8 EPROM* 32 pin | |
| 274096 | 27C4096 | eprom | 256k*16 EPROM* | Hitachi | 
| 2741 | prom | 4k*4 Sit Generic Series Bipolar IMOX PROM* | AMD* | |
| 2742 | MK2742 | clock,video | general set-top box/MPEG clock with multiple outputs, zero ppm audio. In 16 pin narrow SOIC | MicroClock* | 
| 2742 | mk2742 | www.icst.com/pdf/mk2742.pdf | ICS* | |
| 2743 | Am27S43 | prom | 4k*8 Generic Series Bipolar IMOX PROM* | AMD* | 
| 2743 | MK2743 | clock,video | provides all necessary clocks for C-Cube 60 and 66.66 MHz MPEG encoders. In 16 pin narrow SOIC | MicroClock* | 
| 2743 | mk2743 | www.icst.com/pdf/mk2743.pdf | ICS* | |
| 2744 | MK2744 | clock,video | general set-top box/MPEG clock with multiple outputs, zero-ppm-audio. Also Zoran AC-3. In 16 pin narrow SOIC | MicroClock* | 
| 2744 | mk2744 | www.icst.com/pdf/mk2744.pdf | ICS* | |
| 2745 | prom | 2k*8 Generic Series IMOX Bipolar High | AMD* | |
| 274520 | mk274520 | www.icst.com/pdf/mk274520.pdf | ICS* | |
| 274521 | mk274521 | www.icst.com/pdf/mk274521.pdf | ICS* | |
| 274524 | mk274524 | www.icst.com/pdf/mk274524.pdf | ICS* | |
| 2747 | prom | 2k*8 Generic Series IMOX Bipolar High | AMD* | |
| 2749 | Am27S49 | prom | 8k*8 Generic Series Bipolar IMOX PROM* | AMD* | 
| 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. | 
| 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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