X4003 Overview
X4003, X4005 CPU Supervisor NOc1NTo-8nOR8taE8Rc-CEItNOCoTMOuErMMRTMESeNIcELhDNonEDriDcEwaDFlwOSRwRuE.ipPnNpLtEeoArWrsCt iCElD.ceMEonSEmtIeNG/rTtNsacSt DATASHEET FN8113 Rev 2.00 June 30, 2008 These devices bine three popular functions; Power-on Reset Control, Watchdog Timer and Supply Voltage Supervision. This bination lowers system cost, reduces board space requirements and increases reliability.
X4003 Key Features
- Selectable watchdog timer
- Select 200ms, 600ms, 1.4s, off
- Low VCC detection and reset assertion
- Five standard reset threshold voltages nominal 4.62V, 4.38V, 2.92V, 2.68V, 1.75V
- Adjust low VCC reset threshold voltage using special programming sequence
- Reset signal valid to VCC = 1V
- Low power CMOS
- 12µA typical standby current, watchdog on
- 800nA typical standby current watchdog off
- 3mA active current
