1. Electrical Characteristics Practice Problems #1
Last Mod: January 2008
 Paul R. Godin

2. Problem #1
Determine the following for this circuit, assuming the inverter is a 74LS04 and the NAND gate is a 4011B:
Propagation Delay
Noise Margin
Fanout of the inverter 1

3. Problem #2
Determine the following for this circuit, assuming the NAND gate is a 4011B and the OR gate is a 7432:
Propagation Delay
Noise Margin
Fanout of the NAND 1

4. Problem #3 Determine the Power requirements for the following device:
5Hz, 0.2DC
Vcc 1 1 1
SN7400N 1
GND
10Hz, 0.8DC
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