| CD4025B | Texas Instruments | CMOS Triple 3-Input NOR Gate |
| CD4025BMS | Intersil | Nor Gate, 3-Input, Triple, Rad-Hard, CMOS, Logic |
| CD54HC27 | Texas Instruments | High Speed CMOS Logic Triple 3-Input NOR Gates |
| CD54HCT27 | Texas Instruments | High Speed CMOS Logic Triple 3-Input NOR Gates |
| CD74HC27 | Texas Instruments | High Speed CMOS Logic Triple 3-Input NOR Gates |
| CD74HCT27 | Texas Instruments | High Speed CMOS Logic Triple 3-Input NOR Gates |
| HCS27MS | Intersil | NOR-Gate, 3-Input, Triple, Rad-Hard, High-Speed, CMOS, Logic |
|