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, PDIP24
Consumer Circuit, PDSO20
Micro Peripheral IC,
Standard SRAM, 32KX8, 100ns, CMOS, PDIP28, DIP-28
Micro Peripheral IC
Consumer Circuit, PDIP18
Micro Peripheral IC
Tone/Music Synthesizer, PDIP16
Telephone Dialer Circuit, PDIP18,
Analog Circuit,
Clock Generator, CMOS, PDIP18
Telecom IC
Standard SRAM, 32KX8, 70ns, CMOS, PDIP28
Consumer Circuit, PDIP24
CMOS Programmable Interrupt Controller
Telephone Dialer Circuit, PDIP20,
Standard SRAM, 32KX8, 70ns, CMOS, PDSO28
Standard SRAM, 64KX8, 25ns, CMOS, PDSO32
Telephone Dialer Circuit, PDIP18,
Consumer Circuit, PDSO24
Tone/Music Synthesizer, PDIP8
Telephone Dialer Circuit, PDIP16,
Serial I/O Controller, MOS, PDIP28
FIFO, 2KX9, 50ns, Asynchronous, CMOS, PDIP28
Micro Peripheral IC,