The nex RCG release will fix the TrueRMS issues. For the record, here is a list of the H1 user models which use this part:

h1susetmypi, h1susetmy, h1susetmx, h1susitmx, h1susitmy, h1omc, h1susomc, h1oaf

The SUS IOP models also use the part for the Software Watchdog:

h1iopsusb123, h1iopsusex, h1iopsusey, h1iopsush2a, h1iopsush34, h1iopsush56