SNAS866A December 2023 – September 2024 LMX1214
PRODUCTION DATA
The SYNC pins are used for the SYNC and windowing features. These pins can be DC or AC coupled and have internal dual 50-Ω, single-ended termination with programmable common-mode support. SYNC input is required, when the clock dividers (device clock and AUXCLK) need to be synchronized and multi-device sync needed. For buffer mode, sync input is not necessary.
The SYNC feature allows the user to synchronize the CLK_DIV, AUXCLK_DIV, and AUXCLK_DIV_PRE dividers so that the phase offset can be made consistent between power cycles. This allows users to synchronize multiple devices. Multi-device synchronization dividers can only be done through the SYNC pin, not the software.