Philips Electronics
Quad 2-input NOR gate
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Hex inverting Schmitt trigger
Philips Electronics
Dual 4-input NAND gate
NXP Semiconductors.
Quad 2-input NAND gate
NXP Semiconductors.
Hex inverter
Philips Electronics
Dual D-type flip-flop with set and reset; positive-edge trigger
NXP Semiconductors.
Quad 2-input exclusive-OR gate
Hitachi -> Renesas Electronics
Hex Schmitt-trigger Inverters