SN74HCS240-Q1: Datasheet clarification

Abinaya C

Part Number: SN74HCS240-Q1

Tool/software:

Hi Team,
VIH and VIL are not given in datsheet of SN74HCS240QPWRQ1.Is VT+ and VIH are same?Please help to provide details

+1 Clemens Ladisch 30 days ago

Guru 263650 points

This device has Schmitt-trigger inputs, so the switching thresholds move.

But for practical purposed, you can treat V_T+(max) as V_IH(min).

+1 Malcolm Lyn 30 days ago

Hi Abinaya,

What Clemens said is correct. Please read here for a better understanding of schmitt triggers: Understanding Schmitt Triggers (Rev. A) (ti.com)

VT+ max is VIH and VT- min is VIL.

Best,

Malcolm

0 Abinaya C 30 days ago in reply to Clemens Ladisch

Hi Clemens
Thanks for your input.

0 Abinaya C 30 days ago in reply to Malcolm Lyn

Hi Malcolm
Thanks for the added information.

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