http：／／www．atmel．com／ATMEL
http：／／www．burr-brown．com／BURR-BROWN（BB）
http：／／www．c-cube．com／C-CUBE Microsystem
http：／／www．chips．com／CHIPS
http：／／www．crystal．com／CRYSTAL
http：／／www．digital．com／DIGITAL
http：／／www．fujitsu．com／FUJITSU
http：／／www．hitachi．com／HITACHI
http：／／www．holtek．com／HOLTEK
http：／／www．hyundaielectronics．com／Hyundai Electronics
http：／／www．imp．com／IMP
http：／／www．intel．com／INTEL
http：／／www．irf．com／IRF
http：／／www．linear．com／LINEAR
http：／／www．maxim-ic．com／MAXIM
http：／／www．microchip．com／MICROCHIP
http：／／www．mot-sps．com／MOTOROLA元件
http：／／www．oki．com／OKI
http：／／www．p8s．com／武汉力源
http: ／／www．philips．com／PHILIPS
http：／／www．rfmd．com／RF Micro Device
http：／／www．samsung．com／SAMSUNG
http：／／www．st．com／SGS－THOMSON
http：／／www．sharp．com／SHARP
http：／／www．siemens．com／SIEMENS
http：／／www．sony．com／SONY
http：／／www．ti．com／TEXAS INSTRUMENTS
http：／／www．toshiba．com／taec／TOSHIBA 电子
http：／／www．xicor．com／XICOR
http：／／www．zilong．com／ZILOG（陈学兵提供）