Edge detection circuit for detecting edge of input signal withou

Details Edge detection circuit for detecting edge of input signal withou Edge detection circuit for detecting edge of input signal withou

1996-09-26

1998-03-24

Chung, Phung

Excavating

H03M 1300

Patent

active

057320900

ABSTRACT:
A edge detection circuit has a D-type Flip Flop (D-FF) 11 having a reset node and an input node connected to an input terminal, a D-FF 12 connected to the D-FF 11, D-FF 13 having a set node and connected to the D-FF 12, D-FF 14 having set node and connected to the D-FF 13, a detection circuit 21, 22 for detecting an edge change of a control signal and output a detection signal when the control signal changes an inactive level (Hi level) to an active level (Lo level), and a control circuit 31, 51 for generating a set signal for set the D-FFs 13 and 14 when the control circuit receives the detection signal and the input signal IN indicates Hi level.

REFERENCES:
patent: 5446765 (1995-08-01), Leger

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