Watchdog timer circuit, SGM819SQ Replace STWD100.
SGM819SQ
SGM819SQ.pdf
SGM819SQ.pdfFEATURES
• AEC-Q100 Qualified for Automotive Applications
Device Temperature Grade 1
TA = -40℃ to +125℃
• Current Consumption: 3.5μA (TYP)
• Six Selectable Watchdog Timeout Periods: 3.4ms,
6.8ms, 108.8ms, 1.7s, 7.0s and 27.9s
• Two Selectable Watchdog Active Time: 27.2ms and 217.6ms
• Watchdog Timer Accuracy: ±20%
• Active-Low Enable Input
• Open-Drain nWDO Output
• Available in a Green SOT-23-5 Package
PIN CONFIGUTION
CROSS
FEATURES
• Current consumption 13 µA typ.
• Available watchdog timeout periods are
• 3.4 ms, 6.3 ms, 102 ms, and 1.6 s
• Chip enable input
• Open drain or push-pull WDO output
• Operating temperature range: –40 to 125 °C
Packages: SOT23-5 and SC70-5
• (SOT323-5)
• ESD performance
• HBM: 2000 V
• CDM: 1000 V
• Automotive qualified
PIN CONFIGUTION
