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SN74LV244A: Regarding thermal information after changed datasheet rev

Part Number: SN74LV244A

Hi support team.

My customer asked us regarding thermal information.

It seems that the thermal information has been updated due to the datasheet change from RevO to Q.

My customers say they find it strange.

When the datasheet was changed from RevO to P, the thermal information of PW (TSSOP package) was changed, but when the datasheet was changed from RevP to Q, the thermal information of PW returned to the value described in revO.

(That is, PW's thermal information has not changed.)

Why?

Wasn't PW's thermal information changed?

Rev.O->P

Rev.P->Q

Best regards,

Higa