ILC706

Impala Linear Corporation ILC705/706/707/708 mP Supervisory Circuit General Description The ILC705/ILC706/ILC707/ILC708 are low cost microprocessor supervisory circuits that monitor power supplies in microprocessor based systems. Circuit functions include a watchdog timer, microprocessor reset, power failure warning and a debounced manual reset input. The ILC705 and ILC706 offer a watchdog timer function while the ILC707 and ILC708 have an active high reset output in addition to the active low reset output. Features ! 4.4V or 4.65V Precision Voltage Monitor ! 200ms Reset Pulse Width ! Debounced TTL/CMOS Compatible Manual Reset Input ! Watchdog Timer with 1.6 sec Timeout (ILC705/ILC706) ! Voltage Monitor for Early Power Fail Warning or Low Battery Detect ! 8-Pin SOIC or DIP Package Supply voltage monitor levels of 4.65V and 4.4V are available. The ILC705/ILC707 have a nominal reset threshold level of 4.65V while the ILC706 and ILC708 have a 4.4V nominal reset threshold level. When th...