Re: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB?

also check to make sure the output when disabled is in the state it should
be. without looking in the book if you set all inputs low disabled the
outputs should be high, if not its shorted. if any of those chips output is
shorted it will not allow the circuit to operate properly. cul brian f.

----- Original Message -----
From: "Alan Marconett" <KM6VV@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, February 13, 2006 11:19 AM
Subject: RE: [CAD_CAM_EDM_DRO] How do I test IC SN74LS541N on PCB?


> HI Bruce,
>
> One more thing; similarly put two switches on the two active low enable
pins
> (1 & 19). Both must be CLOSED to take their pins low and ENABLE the
> tri-state buffer. The buffers are non-inverting; this means that when the
> input switch is closed (a low) the respective output will be low, and turn
> on it's LED.
>
> Alan KM6VV
>
>
> > > Hello,
> > >
> > > Hoping some elctronics wizard can help me with this.
> > > I have an Anilam M controler that is not working and would like to see
> > > if I can fix it before I try a retrofit
> > > So heres the question: can I bench test this IC? SN74LS541N, here is
> > > link to download the datasheet:
> > > http://www.datasheets.org.uk/download.php?article=2355104
>
>
>
>
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