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Aptitude | GATE CS 1998 | Question 15

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  • Last Updated : 20 Nov, 2018

The threshold level for logic 1 in the TTL family is
(A) any voltage above 2.5 V
(B) any voltage between 0.8 V and 5.0 V
(C) any voltage below 5.0 V
(D) any voltage below Vcc but above 2.8 V

Answer: (D)


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