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digital electronics logic families and their characteristics
1. What should be done to unused inputs on TTL gates?
(A): All unused gates should be connected together and tied to V
through a 1 k resistor.
(B): All unused inputs should be connected to an unused output; this will ensure compatible loading on both the unused inputs and unused outputs.
(C): They should be left disconnected so as not to produce a load on any of the other circuits and to minimize power loading on the voltage source.
(D): Unused AND and NAND inputs should be tied to VCC through a 1 k resistor; unused OR and NOR inputs should be grounded.
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