SNAS788C November 2019 – March 2022 LMX2694-SEP
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
The requirements for SYNC depend on certain setup conditions. In cases that the SYNC is not timing critical, it can be done through software by toggling the VCO_PHASE_SYNC bit from 0 to 1. Figure 7-5 gives the different categories. When it is timing critical, then it must be done through the pin and the setup and hold times for the OSCIN pin are critical. For timing critical SYNC (Category 3 only), adhere to the following guidelines.
PARAMETER | MIN | MAX | UNIT | |
---|---|---|---|---|
fOSC | Input reference frequency | 40 | MHz | |
tSETUP | Setup time between SYNC and OSCIN rising edges | 9 | ns | |
tHOLD | Hold time between SYNC and OSCIN rising edges | 4 | ns |