X40030

® X40030, X40031, X40034, X40035 Data Sheet May 25, 2006 FN8114.1 PRELIMINARY Triple Voltage Monitor with Integrated CPU Supervisor FEATURES Triple voltage detection and reset assertion —Standard reset threshold settings see selection table on page 5. —Adjust low voltage reset threshold voltages using special programming sequence —Reset signal valid to VCC = 1V —Monitor three seperate voltages Fault detection register Selectable power on reset timeout (0.05s, 0.2s, 0.4s, 0.8s) Selectable watchdog timer interval (25ms, 200ms, 1.4s or off) Debounced manual reset input Low power CMOS —25µA typical standby current, watchdog on —6µA typical standby current, watchdog off 400kHz 2-wire interface 2.7V to 5.5V power supply operation Available in 14 Ld SOIC, TSSOP packages Monitor voltages: 5V to 0.9V www.DataSheet4U.com Independent core voltage monitor Pb-free plus anneal available (RoHS compliant) APPLICATIONS Communication equipment —Routers, hubs, switches —Disk arrays, network storage BLOCK DIAGRAM V3MON Industrial systems —Process control —Intelligent instrumentation Computer systems —Computers —Network servers DESCRIPTION The X40030, X40031, X40034, X40035 combine power-on reset control, watchdog timer, supply voltage supervision, second and third voltage supervision, and manual reset, in one package. This combination lowers system cost, reduces board space requirements, and increases reliability. Applying voltage to VCC activates the power on r...