| 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 |
- Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs
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.
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