On the 74ls74 d flip-flop, the clk input has a small triangle. the pr (preset) and clr (clear) inputs have a circle. what do the

Question

alex41 [277]

4 years ago

15

On the 74ls74 d flip-flop, the clk input has a small triangle. the pr (preset) and clr (clear) inputs have a circle. what do the

se symbols mean?

Computers and Technology

1 answer:

topjm [15] · Answer 1 · 2022-02-09T11:00:44+03:00

topjm [15]4 years ago

7 0

The triangle indicates that the clock signal is an edge-triggered signal.
The circle indicates that the signal is low-active (ie., inverted).
The 74LS74 has a positive-edge trigger clock (low to high).