Re: Missing Schmitt Gates??

On Nov 30, 3:13 pm, Joerg <notthisjoerg...@xxxxxxxxxxxxxxxxxxxxx>
wrote:
James Arthur wrote:
On Nov 30, 1:37 pm, Joerg <notthisjoerg...@xxxxxxxxxxxxxxxxxxxxx>
wrote:
James Arthur wrote:

a) I think some of the 74hc buffers may have had Schmitt inputs
(74hc244?). If not, Fairchild's TinyLogic buffers do: NC7WZ17.
b) the single-gate programmable parts NC7SZ57, NC7SZ58 have Schmitt
inputs. Make whatever you want!
or
Brings up a question: I've only see those from Fairchild and
single-source always make me uncomfortable. Is there anything FFF
compatible from others?

FFF ?

Form - Fit - Function.

Purchasing speak for a real drop-in replacement.

SN74AUP1G57 is darn close...
http://focus.ti.com/docs/prod/folders/print/sn74aup1g57.html

TI's Little Logic(tm) offerings overview here:
http://focus.ti.com/lit/ml/scyb025/scyb025.pdf

Selection guide here:
http://focus.ti.com/lit/ml/scyt129b/scyt129b.pdf)

NXP makes them too:
http://www.nxp.com/acrobat/datasheets/74AUP1G57_1.pdf

Cheers,
James Arthur
.