1.MCU (MicroController IC) PRODUCT LinesWELTREND -USB CONTROLLER I.C.TOPRO-8051 MCU WITH 64K & 128K FLASH AND ISP, FINGERPRINT CONTROLLER I.C.MDT - 8 BITS MCU I.C., ENCODER I.C., MOUSE I.C., TOOLS(ICE/WRITER)SST - FLASH, FLASHFLEX 51 MICROCONTROLLERSCSN - CR80 PRODUCT SERIES ARE 8-BIT GENERAL PURPOSE MCU WITH 4 COMPARATORS.CR81 PRODUCT SERIES ARE 8-BIT GENERAL SURPOSE MCU WITH 8-BUT ADC / PWM.2.MEMORY PRODUCT LINESTMC-DRAM CHIPS, EEPROM, POWER I.C.SBT-SRAM (256K / 1M / 2M / 4M)TM -SRAM (HIGH SPEED / LOW POWER),51 series MCU with ADC / PWM.MDT-RISC MCU SERIES, MICROPROCESSOR IC, KEYBOARDIC, MOUSE IC,JOYSTICK/GAMEPAD IC, DC FAN CONTROLLER IC,SET-TOP-BOX/TV BOX IC, HOME APPLIANCE ICMEC-SDRAM IC ( 1x 16, 4 x 16, 8 x16 )3.CONSUMER PRODUCT LINESGMT-POWER SWITCH SERIES, TEMPERATURE SENSOR/DETECTOR SERIES, CPU SUPERVISORY SERIES,OP AMPLIFIER SERIES, TERMINATOR ERIES,LDO,DC/DC CONTROLLER SERIES,UTC-LINEAR I.C., TRANSISTOR.CET-SINGLE / DUAL P(/N) CHANNEL MOSFET.