ZHCSDC3D June 2014 – September 2016 AM4372 , AM4376 , AM4377 , AM4378 , AM4379
PRODUCTION DATA.
Use additional bypass capacitors if the return current reference plane changes due to DDR3 signals hopping from one signal layer to another. The bypass capacitor here provides a path for the return current to hop planes along with the signal. As many of these return current bypass capacitors should be used as possible. Because these are returns for signal current, the signal via size may be used for these capacitors.