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Integrated Circuit (Switching Frequency & Power Consumption (TTL…
Integrated Circuit
Switching Frequency & Power Consumption
TTL devices consume more power than CMOS devices
TTL: Clock speed is slow
CMOS: Clock speed is faster
CMOS offers a higher packaging density than TTL
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CMOS
Fan-out depends on frequency of operation
TTL
Resistors represent the internal input
Timing
Timing using oscilloscope
Pulse-Time Parameters
Ring Oscillator
Odd number of NOT GATES
f=1/2tp*N0
Propagation Delay Times
Propagation Delay & Switching Time
Noise Immunity & Noise Margins
The effect on input noise on gate operation
Illustration of noise margins
Loading a gate output with gate input
Limitations are changing/dischanging
Output resister of driving gate
Input capacitance of driving gate