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LM629: Would it make any difference if we use LM629M-6 OR LM629M-8 ?

Part Number: LM629

Our design has a clock signal of 5Mhz which is below the max for LM629M-6 OR LM629M-8. (The design has 3 selectable frequencies 1.25Mhz, 2.5Mhz and 5Mhz; still be low the max frequency of any of the 2 ICs.)

Would it make any difference in the motor performance, if we use LM629M-6 OR LM629M-8 alternatively as part sourcing?

The original designers put either the LM629M-6 or LM629M-8 as alternates sources but we need to confirm that this is OK.

 

Thank you!

Jose