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High Speed CMOS Logic – 54HC123

Rev 1.0

06/10/19

Timing Diagram

any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Silicon Supplies Ltd

hereby disclaims any and all warranties and liabilities of any kind.

approval of Silicon Supplies Ltd, if a failure of such components can reasonably be expected to cause the failure of that life support device or system or

to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to

support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may

be endangered.

DUT

 

OUTPUT

TEST POINT

* Includes all probe and jig capacitance

Test Circuit

1 – Positive Edge Trigger

2 – Negative Edge Trigger

3 – Positive Edge Trigger

4 – Positive Edge Re-trigger (Pulse lengthening)

5 – Reset Pulse Shortening

6 – Clear Trigger

A

B

INPUTS

Q

R

OUTPUT

RESET

1

2

3

4

5

6

GND

GND

GND