United Microelectronics (UMC) is a global semiconductor foundry. UMC provides advanced manufacturing services for a wide range of integrated circuits, enabling the production of electronic components for various industries.

Consumer Circuit, PDIP18
Standard SRAM, 32KX8, 100ns, CMOS, PDIP28, DIP-28
Micro Peripheral IC
Micro Peripheral IC,
Consumer Circuit, PDSO20
Telephone Dialer Circuit, PDIP20,
Consumer Circuit, PDIP24
CMOS Programmable Interrupt Controller
Micro Peripheral IC,
Telecom IC
Consumer Circuit, PDIP24
Telecom IC
Standard SRAM, 32KX8, 70ns, CMOS, PDIP28
Tone/Music Synthesizer, PDIP8
Telephone Dialer Circuit, PDIP16,
Telephone Dialer Circuit, PDIP18,
Standard SRAM, 64KX8, 25ns, CMOS, PDSO32
Consumer Circuit, PDSO24
Telecom IC
FIFO, 2KX9, 50ns, Asynchronous, CMOS, PDIP28