Dual Ultra-Low-Voltage SOT23 µP Supervisors

with Manual Reset and Watchdog Timer

_______________________________________________________________________________________

7

Pin Description (continued)

PIN NUMBER

MAX

6826

MAX

6827

MAX

6828

MAX

6829

MAX

6830

MAX

6831

PIN

NAME

FUNCTION

5

5

5

RESET

IN

Input for User Adjustable RESET IN Monitor. High-impedance input for

internal reset comparator. Connect this pin to an external resistor-divider

network to set the reset threshold voltage. 0.63V (typ) threshold.

5

5

5

supply voltage.

6

6

6

6

6

6

Supply Voltage. Input for primary reset threshold monitor.

MAX6826/MAX6827/MAX6828

WDI

OR

RESET

RESET

MR

RESET TIMEOUT

DELAY GENERATOR

1.26V

0.63V

WATCHDOG

TIMER

WATCHDOG

TRANSITION

DETECTOR

RESET IN

Figure 1. Functional Diagram of RESET IN