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TPS50601A-SP: Missing specification values needed for derating.

Part Number: TPS50601A-SP
Other Parts Discussed in Thread: TPS7A4501-SP, LM139AQML, , TPS7H1101A-SP

I'm doing some part analysis work and can't find some values on the related datasheets, mostly pertaining to power consumption and clock frequency, on multiple ICs, listed below.  Any specification values, guidelines, or formulas that could fill these blanks for me would be greatly appreciated. 

5962R1222403VXC / TPS7A4501-SP - Rated/max clock frequency.

5962R9673802VXA / LM139AQML - Rated/max clock frequency. 

5962R1022102VSC / TPS50601A-SP - Maximum specified power dissipation

5962R1320202VXC / TPS7H1101A-SP - Maximum specified power dissipation and rated/max clock frequency

5962R8759461VXA / LM185-1.2QML- Rated/max clock frequency. 

5962R1422801VXC / TPS7H3301-SP- Maximum specified power dissipation, maximum rated output current, and rated/max clock frequency. 

SN74LVC2G126DCTR - Maximum specified power dissipation and the rated/max clock frequency.