Is the ISD-300 pinout compatible with the ISD-200?

Question: Is the ISD-300 pinout compatible with the ISD-200?

 

Answer:

No, the ISD-200 is a 64-pin package and the ISD-300 is a 100-pin package.

Please note that the  ISD-300A1 is obsolete and the functional replacement is AT2LP.  All the related collaterals of AT2LP can be found in the link here