Hi,
When startup, what are each outputs(QA~QH)?
My customer requires that outputs are low when startup, then do they need to reset by SRCLR?
Best Regards,
Kuramochi
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
Hi,
When startup, what are each outputs(QA~QH)?
My customer requires that outputs are low when startup, then do they need to reset by SRCLR?
Best Regards,
Kuramochi
The startup state of the outputs is undefined; see [FAQ] What is the default output of a latched device? (Flip-Flop, latch, register)
To force the outputs low, you have to clear the shift register with SRCLR and then copy the values to the storage register with a rising edge on RCLK.
Depending on the application, it might be easier to initially disable the outputs with a pull-up on OE and to add pull-downs to the outputs.