MAX6317HUK-T datasheet(2/14 Pages) MAXIM

Part #	MAX6317HUK-T

Description	5-Pin μP Supervisory Circuits with Watchdog and Manual Reset

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Manufacturer	MAXIM [Maxim Integrated Products]

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ELECTRICAL CHARACTERISTICS

(VCC = 2.5V to 5.5V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

5-Pin µP Supervisory Circuits with

Watchdog and Manual Reset

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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.

Voltage (with respect to GND)

VCC......................................................................-0.3V to +6V

RESET (MAX6320/MAX6321/MAX6322 only)...... -0.3V to +6V

All Other Pins.........................................-0.3V to (VCC + 0.3V)

Input/Output Current, All Pins .............................................20mA

Continuous Power Dissipation (TA = +70°C)

SOT23 (derate 7.1mW/°C above +70°C)..................571mW

Operating Temperature Range..........................-40°C to +125°C

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

Storage Temperature Range..............................-65°C to +160°C

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

Soldering Temperature (reflow)

Leaded Package .........................................................+240°C

Lead-Free Package .....................................................+260°C

Note 1: Over-temperature limits are guaranteed by design, not production tested.

Note 2: A factory-trimmed voltage divider programs the nominal reset threshold (VTH). Factory-trimmed reset thresholds are

available in 100mV increments from 2.5V to 5V (see Table 1 at end of data sheet).

Note 3: Guaranteed by design.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Operating Voltage Range

VCC

TA = -40°C to +125°C

1.0

5.5

V

VCC = 5.5V

10

20

MAX6316/MAX6317/MAX

6318/MAX6320/MAX6321

VCC = 3.6V

5

12

VCC = 5.5V

3

12

Supply Current

ICC

MAX6319/MAX6322:

MR unconnected

VCC = 3.6V

3

8

µA

Reset Threshold

Temperature Coefficient

ΔVTH/°C

40

ppm/°C

TA = +25°C

VTH - 1.5%

VTH

VTH + 1.5%

Reset Threshold (Note 2)

VRST

TA = -40°C to +125°C

VTH - 2.5%

VTH

VTH + 2.5%

V

Reset Threshold Hysteresis

3mV

MAX63_ _ A_-T

1

1.4

2

MAX63_ _ B_-T

20

28

40

MAX63_ _ C_-T

140

200

280

Reset Active Timeout Period

tRP

MAX63_ _ D_-T

1120

1600

2240

ms

VCC to RESET Delay

tRD

VCC falling at 1mV/µs

40

µs

PUSH/PULL RESET OUTPUT (MAX6316L/MAX6317H/MAX6318_H/MAX6319_H/MAX6321HP/MAX6322HP)

VCC

≥ 1.0V, ISINK = 50µA

0.3

VCC

≥ 1.2V, ISINK = 100µA

0.3

VCC

≥ 2.7V, ISINK = 1.2mA

0.3

VOL

VCC

≥ 4.5V, ISINK = 3.2mA

0.4

VCC

≥ 2.7V, ISOURCE = 500µA

0.8 x VCC

RESET Output Voltage

VOH

VCC

≥ 4.5V, ISOURCE = 800µA

VCC - 1.5

V

RESET Rise Time (MAX6316L,

MAX6318LH, MAX6319LH)

tR

Rise time is measured from 10% to 90%

of VCC; CL = 5pF, VCC = 3.3V (Note 3)

525

ns

VCC

≥ 2.7V, ISINK = 1.2mA

0.3

VOL

VCC

≥ 4.5V, ISINK = 3.2mA

0.4

VCC

≥ 1.8V, ISOURCE = 150µA

0.8 x VCC

VCC

≥ 2.7V, ISOURCE = 500µA

0.8 x VCC

RESET Output Voltage

VOH

VCC

≥ 4.5V, ISOURCE = 800µA

VCC - 1.5

V

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