DESCRIPTION

· Ultra-low-current microprocessor supervisory circuits with voltage monitoring, watchdog timer, and manual reset input functions.

· Available in a 5-pin SOT23 package with reset thresholds from +1.575V to +4.625V in 100mV increments.

· Six minimum reset timeout options ranging from 10ms to 1200ms.

· Some models feature a manual reset input, watchdog timer, or pin-selectable reset delay period.

FEATURES

· Ultra-low supply current of 170nA (typ).

· Reset thresholds from +1.575V to +4.625V in 100mV increments.

· Six reset timeout options from 10ms to 1200ms.

· Manual reset and watchdog timer options available.

· Pin-selectable reset timeout period of 10ms or 150ms (min) on certain models.

· Three reset output options: push-pull active-low, push-pull active-high, and open-drain active-low.

· No external components required.

· Small 5-pin SOT23 package.

APPLICATIONS

· Portable and battery-powered equipment.

· PDAs, cell phones, MP3 players, and pagers.

· Glucose monitors and patient monitors.