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| nr | name | cat | description | manufacturer | 
|---|---|---|---|---|
| 224 | modem | Modem chip, Regs | AMD*? | |
| 224 | LM224 | amp | quad low-power opamp DIL14, CERDIP14 | Philips | 
| 224 | RC224AT | modem | 2400 bps Modem Device Set with "AT" Commands | Rockwell* | 
| 224 | RC224EB | modem | 2400 bps Modem Evaluator Board for RC224AT | Rockwell* | 
| 2240 | MB2240 | driver | 16-bit inverting buffer/line driver | Philips | 
| 2240 | PMB2240-F | telecom | GSM/PCN-Transmitter (SMD) | Siemens | 
| 2241 | MB2241 | driver | 16-bit buffer/line driver | Philips | 
| 2244 | ? | TeleMicro Stik, | Dallas* | |
| 2244 | 2244 | radio | FM* stereo decoder | Sprague | 
| 2244 | EL2244CN | OP AMP, pinout | ELANTEC | |
| 2244 | MB2244 | driver | 16-bit buffer/line driver | Philips | 
| 2245 | modem | Soft Modem, | Dallas* | |
| 2245 | MB2245 | xcvr | dual octal transceiver | Philips | 
| 2245 | PEB2245-N | Multipoint switching and Conferencing Unit (MUSAC) (SMD) | Siemens | |
| 2245 | PMB2245-F | telecom | GSM/PCN-Transmitter (SMD) | Siemens | 
| 22484 | transis | Low Noise Transistor | NS | |
| 2249 | ? | Phantom/European Data Access Arrangement Stik, | Dallas* | 
| 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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