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| TI | http://www.tij.co.jp/ | IC |
| MOTOROLA | http://www.mot.co.jp/SPS/ | IC |
| HP | http://www.hp.com/HP-COMP/ | IC |
| AD | http://www.analog.com/ | IC |
| MAXIM | http://www.maxim-ic.com/ | IC |
| BB | http://www.burr-brown.com/Products/Products.html | IC |
| IDT | http://www.idt.com/products/welcome.html | IC |
| PLESSEY | http://www.mitelsemi.com/frame.cgi?products | IC |
| NS | http://www.nsjk.co.jp/ | IC |
| SIGNETICS | http://www.signetics.co.kr/doc/products.html | IC |