CMOS Hex Gate (with 4 Inverters, One 2-Input NOR Gate, and One 2-Input NAND Gate) 16-PDIP -55 to 125 SIM 4572 TC4572 CD4572
Dual 3-In NOR Gate+Inverter SIMILAR TO 4000 CMOS
Quad 2-Input NOR Gate 4001 MB84001B M4001BP MB4001B MC14001BCP
Dual 4 In NOR Gate 4002
