I don't know the 377, haven't a reset or an enable pin active low?
If yes, use a rc network from vcc to gnd and connect that pin to the
middle of it. The output will stay low at powering up, a time = rxc
Vasile

On Wed, 30 May 2001, Madhu Annapragada wrote:

> I am using the 74HC377 as a data latch in an application. The problem is
> that on power up all the outputs of the 377 go high. The setup is as
> follows:
> All the data input lines to the 377 have 4.7K pull down to gnd.
> On power up, all the data lines to the 74HC377 are low (verified on a
> scope). The clock (positive edge trigger for the 377)and enable line(active
> low, data is latched to the output only when enable is low and the clock is
> rising) reach VCC in about 1.2 and 1.6ms respectively. So even if the clock
> line is latching the data inputs to the output lines while the enable is low
> at power up, my data inputs are all low. So why are my outputs from the 377
> coming up high? I am using the HP54622 mixed signal scope, and I have not
> been able to see any glitches on the data inputs at power up.
> Any help would be very much appreciated.
> Thank you
> Madhu
>
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