SN74AUC1G08: Rise and fall times

John Garrett

Expert 4210 points

Part Number: SN74AUC1G08

The data sheet defines the probagation delay tpd but does not define the rise and fall times (10-90%)..

In particular, what are the rise and fall times when Vcc = 1.8V?

Thanks, John Garrett TI-AFA

over 6 years ago

0 Michael J Schultis over 6 years ago

TI__Mastermind 24485 points

Hello John,

I looked into some simulation data that we have for these devices.
It shows that the Trise and Tfall times for 1.8V supply and 30pF load is about 3ns typical.

Please also note that these devices have staged outputs so that it causes steps in the response at times.
It makes it so that the transition to VCC/2 is fast, but getting to the 10% or 90% level takes longer.

Let me know if you have additional questions and I would be happy to help!
Best,
Michael