DSPASICFPGA19841988256KbitNOREPROMEEPROMSRAMEPROMMOSFAMOSMOSNPSDSiO210MOS0MOS1EEPROMEPROMEPROMVGVGVGEEPROMMOSEEPROMEPROMNORNAND1989NORNANDNOR90%NANDNORNANDNORNANDNORNANDIONANDNORNORNORNANDNANDU3.5A1998UUUUUSBUSBUUSBUSBUSBUSB（）USBUSBUSBUSBUSBUU--RMCVDSDRAMDRAMDRAMSDRAMSDRAMDRAMSDRAMSDRAMDDRDDR2DDR32015DDR4DDRDDRDDRSDRAMDualDateRateSDRAMSDRAMSDRSDRAMDDRSDRAMSDRSDRAMSDRSDRAMDDRSDRAM184pinDIMMSDRSDRAM2.5VDDR200MHzDDR-266DDR-333DDR-400500MHz600MHz700MHzDDRDDR-400FSB800MHz4128MB1GBDDRRDRAMDDRIntelAMDNVIDIAVIASiSALIATIDDRCPUSocket3703Socket478LGA7754D4D2865DDRAMDSocketAK7Socket939Socket754K8DDR