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CD4504BMS - CMOS Hex Voltage Level Shifter for TTL-to-CMOS or CMOS-to-CMOS Operation
LP3928 - High Speed Bi-Directional Level Shifter and Ultra Low-Dropout CMOS Voltage Regulator
CD4504BT - CMOS Hex Voltage Level Shifter for TTL-to-CMOS or CMOS-to-CMOS Operation