Skip to main content

All Questions

1 vote
1 answer
323 views

Why does the 74LS32N behave like an AND gate?

First of all I am a beginner. I am practicing with the 74LS32N (OR Gate) IC , I noticed that it behaves like an AND gate instead of an OR Gate. Only when both the inputs are 1 , the output is 1 , (Led ...
Kandy boy's user avatar
0 votes
1 answer
187 views

74HC08N doesn't latch [closed]

I am using the 74HC08N chip. Why doesn't the first AND gate latch itself? I have connected the output of the first AND gate to its own input. I have used two resistors, the one on top is a pull-up and ...
Kandy boy's user avatar
9 votes
3 answers
7k views

Using HC/HCT, AHC/AHCT series logic

I am builing a circuit, and i need to connect a few different IC's (obiosly). My circuit is based on 5V TTL logic and i found a part that is made only in AHC/AHCT variant. So let's take it from the ...
Kralik_011's user avatar
0 votes
1 answer
610 views

1 TTL IC -> inverter + 2-input NAND + 3-input NAND

I came across this question in my homework: Implement the following gates using only one TTL IC: one inverter, one 2-input NAND and one 3-input NAND. The type of IC they're talking about has 14 pins,...
Vero's user avatar
  • 59