... SMP 8634 LF*SIGMA CHIP specification DTV-8634 pdf * 32 MB FLASH MEMORY* EEPROM 256 KB* SD RAM 256 MBMain features ... (MPEG-2 transport stream specification ISO/IEC13818)* Input: max 90 MB /sec* Aspect ratio: 4:3, Letterbox, 16:9, Pan & ScanIn ...