These devices contain a single 8-input NAND gate. They perform the Boolean functions
or
Y = A\ + B\ + C\ + D\ + E\ + F\ + G\ + H\ in positive logic.
The SN54F30 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F30 is characterized for operation from 0°C to 70°C.
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