Diodes Incorporated.
SINGLE 2 INPUT POSITIVE NOR GATE
Philips Electronics
2-input AND gate with open-drain output
Philips Electronics
Inverter
Philips Electronics
Inverter with open-drain output
Diodes Incorporated.
SINGLE 2 INPUT POSITIVE NAND GATE
NXP Semiconductors.
2-input AND gate
Philips Electronics
2-input NOR gate