| 8404201CA | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| 8404201DA | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| SN74HC27DBR | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| SN74HC27DBRE4 | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| SN74HC27DE4 | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| SN74HC27DRE4 | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| SN74HC27DT | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| SN74HC27DTE4 | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| SN74HC27NE4 | Triple 3-Input Positive-NOR Gates | Datasheet*) |
| SN74HC27NSRE4 | Triple 3-Input Positive-NOR Gates | Datasheet*) |
