L4A ABRx CAT705VI YMZ YMALND CAT705, CAT706, CAT813 P Supervisory Circuits Description The CAT705, CAT706, and CAT813 provide reset and monitoring functions for the electronic systems. Each device monitors the system voltage and maintains a reset output until that voltage reaches the devices specified trip value and then maintains the reset output active CAT705, CAT706, CAT813 V CC R = 60 k MR MR RESET RESET CONTROLLER (RESET for CAT813) + V CC V TIMER RST W52kWATCHDOG WATCHDOG TRANSITION WDI TIMER WDO DETECTION + PFI PFO 1.25 V Figure 1. Functional Block Diagram Device RESET RESET MR WDI WDO PFI CAT705 4.65 V x x x 1.25 V CAT706 x x x x 1.25 V CAT813 4.65 V x x x 1.25 V