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Integrated-Circuit Logic Families
The dc noise margins calculated using the proper values from a standard TTL data sheet are the worst-case margins. The typical dc noise margins are usually somewhat higher.
True
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Integrated-Circuit Logic Families
The logic family with the highest maximum clock frequency is HS-TTL.
ECL gates are noted for their high frequency capability and small output voltage swing.
The upper transistor of a totem-pole output is OFF when the gate output is low.
The major advantage of TTL logic circuits over CMOS is lower propagation delay.
The principal advantage of MOS ICs over TTL ICs is their fast operating speed.
Due to the extremely low power requirements of CMOS logic circuits, any number of CMOS and TTL gates can be interconnected.
Most TTL gates use the totem-pole output arrangement.
The output current capability for a HIGH output condition is called a source current.
The maximum output voltage recognized as a LOW by a TTL gate is 2.0 V.
When the outputs of several standard TTL gates are connected together, the gate outputs produce more fan-out.
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