MAX6730 datasheet(2/15 Pages) MAXIM

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Single-/Dual-/Triple-Voltage µP Supervisory

Circuits with Independent Watchdog Output

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC1 = VCC2 = +0.8V to +5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VCC1,

VCC2

0.8

5.5

VCC1 < +5.5V, all I/O connections

open, outputs not asserted

ICC1

VCC1 < +3.6V, all I/O connections

open, outputs not asserted

VCC2 < +3.6V, all I/O connections

open, outputs not asserted

411

Supply Current

ICC2

VCC2 < +2.75V, all I/O connections

open, outputs not asserted

µA

L (falling)

4.500

4.625

4.750

M (falling)

4.250

4.375

4.500

T (falling)

3.000

3.075

3.150

S (falling)

2.850

2.925

3.000

R (falling)

2.550

2.625

2.700

Z (falling)

2.250

2.313

2.375

Y (falling)

2.125

2.188

2.250

W (falling)

1.620

1.665

1.710

VCC1 Reset Threshold

VTH1

V (falling)

1.530

1.575

1.620

VCC1, VCC2, RSTIN, MR, WDI to GND.....................-0.3V to +6V

RST, WDO to GND (open drain)...............................-0.3V to +6V

RST, WDO to GND (push-pull) .................-0.3V to (VCC1 + 0.3V)

Input Current/Output Current (all pins) ...............................20mA

Continuous Power Dissipation (TA = +70°C)

6-Pin SOT23-6 (derate 8.7mW/°C above +70°C) ........696mW

8-Pin SOT23-8 (derate 8.9mW/°C above +70°C) ........714mW

Operating Temperature Range ...........................-40°C to +85°C

Storage Temperature Range .............................-65°C to +150°C

Junction Temperature ......................................................+150°C

Lead Temperature (soldering, 10s) .................................+300°C

Soldering Temperature (reflow)

Lead (Pb)-free packages.............................................+260°C

Package containing lead (Pb) .....................................+240°C

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