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Integrated-Circuit Logic Families
A common means for measuring and comparing the overall performance of an IC family is the speed-power product.
True
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Integrated-Circuit Logic Families
The noise margin for TTL is 0.8 V.
The data sheet for the 74 series of TTL ICs shows that Vcc has a range of 4.5 V to 5.5 V.
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.
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.
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