TC74HC139AF decoder equivalent, dual 2 to 4 line decoder.
* High speed: tpd = 16 ns (typ.) at VCC = 5 V
* Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
* High noise immunity: VNIH = VNIL = 28% VCC (min)
* .
When the enable input is held “H”, all four outputs are fixed at a high logic level independent of the other inputs.
Al.
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