This device contains three independent 3-input NOR Gates with Schmitt-trigger inputs. Each gate performs the Boolean function Y = A + B + C in positive logic.
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| SN74HCS27DR | SOIC (14) | 8.70 mm × 3.90 mm |
| SN74HCS27PWR | TSSOP (14) | 5.00 mm × 4.40 mm |