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Integrated-Circuit Logic Families
A current-sourcing transistor may also be referred to as a pull-down transistor.
True
Correct Answer:
False
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Integrated-Circuit Logic Families
An unused input of a NAND gate can be left unconnected, pulled high by a pull-up resistor and tied together with another input and not change the logic output.
The major advantage of CMOS logic circuits over TTL is very low power consumption.
The abbreviated designator for a HIGH input voltage is VIH.
CMOS stands for "complementary metal-oxide semiconductors" and the FETs are normally enhancement mode devices.
The TTL HIGH level source current is higher than the LOW level sinking current.
Usually P-MOS and N-MOS circuits are identical with the exception of the voltage polarities.
The time it takes for a square wave to go from 10% to 90% of its voltage level is called propagation delay.
A common means for measuring and comparing the overall performance of an IC family is the speed-power product.
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.
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