The NI sbRIO device implements an onboard RTC to keep track of absolute time. The RMC connector provides a VBAT pin to power the RTC. The sbRIO-9607 also has an onboard battery that powers the RTC. The following table lists the VBAT power specifications.
Table 19. VBAT Power Specifications
Specification Minimum Typical Maximum
VBAT input voltage 2.875 V 3.0 V 4.0 V
sbRIO-9607 powered VBAT current — 25 nA 100 nA
sbRIO-9607 unpowered VBAT current — 2.4 μA average 3.6 μA average