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SN74ALS245ANSR, SN74LS14NSR, SN74AS280NSR, SN74AS08NSR and SN74AS04NSR - Tjmax and θjc

Hi all

Would you mind if we ask SN74ALS245ANSR, SN74LS14NSR, SN74AS280NSR, SN74AS08NSR and SN74AS04NSR?

Our customer would like to know Tjmax and θjc of following devices;
We could not find these on the datasheet.
Could you give us the reply?(Could you fill in blanks?)

                                            Tjmax              θjc
-SN74ALS245ANSR     
-SN74LS14NSR             
-SN74AS280NSR           
-SN74AS08NSR             
-SN74AS04NSR             

Kind regards,

Hirotaka Matsumoto