SN74LVCH162244A: How to get the Ro of the device when VOL?

Frank Xiao

Genius 12055 points

Part Number: SN74LVCH162244A

Hi team,

We want to check the Ro of the when Vo is low. How to get it? Whether we can use the data below to do the calculation? Thanks.

0 Clemens Ladisch over 3 years ago

Guru 243120 points

For the worst-case value, just use Ohm's law: R_OL = V_OL / I_OL.

0 Michael J Schultis over 3 years ago in reply to Clemens Ladisch

Hello Frank,

Yes, if you want the worst case guaranteed output impedance, you can take the VOL and IOL to calculate the ROL.

Certainly the output impedance will be lower than this in typical scenarios as the datasheet is a guarantee of the worst case condition.

Michael

Logic forum