FEATURES

• Dual voltage detection and reset assertion

—Standard reset threshold settings

See Selection table on page 2.

—Adjust low voltage reset threshold voltages

using special programming sequence

—Reset signal valid to VCC = 1V

—Monitor three voltages or detect power fail

• Independent Core Voltage Monitor (V2MON)

• Fault detection register

• Selectable power on reset timeout (0.05s,

0.2s, 0.4s, 0.8s)

• Selectable watchdog timer interval (25ms,

200ms,1.4s, off)

• 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 packages

—8-lead SOIC, TSSOP

• Monitor Voltages: 5V to 0.9V

• Independent Core Voltage Monitor

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