These devices contain three independent 3-input NOR gates. They perform the Boolean functions
or
in positive logic.
The SN54F27 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F27 is characterized for operation from 0°C to 70°C.
| Technology family | F |
| Number of channels | 3 |
| Supply voltage (min) (V) | 4.5 |
| Supply voltage (max) (V) | 5.5 |
| Inputs per channel | 3 |
| IOL (max) (mA) | 1 |
| IOH (max) (mA) | -20 |
| Output type | Push-Pull |
| Input type | Bipolar |
| Features | Very high speed (tpd 5-10ns) |
| Data rate (max) (Mbps) | 70 |
| Rating | Military |
| Operating temperature range (°C) | -55 to 125 |
| CDIP (J) | 14 | 130.4652 mm² 19.56 x 6.67 |
| LCCC (FK) | 20 | 79.0321 mm² 8.89 x 8.89 |
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