MAX6412UK46-T datasheet(3/12 Pages) MAXIM

Part #	MAX6412UK46-T

Description	Low-Power, Single/Dual-Voltage uP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Power, Single/Dual-Voltage µP Reset Circuits

with Capacitor-Adjustable Reset Timeout Delay

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VCC = 1V to 5.5V, TA = TMIN to TMAX, unless otherwise specified. Typical values are at VCC = 5V and TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

≥ 1.8V, ISINK = 500µA

0.3

VCC

≥ 2.7V, ISINK = 1.2mA

0.3

RESET Output Voltage LOW

VOL

VCC

≥ 4.5V, ISINK = 3.2mA

0.4

V

RESET IN Leakage Current

10

nA

RESET IN Threshold

VRST

VRST falling, VCC = 1.6V to 5.0V

1.212

1.263

1.313

V

RESET IN Hysteresis

25

mV

VIL

0.8

VIH

VCC > 4.0V

2.4

VIL

0.3 ✕ VCC

MR Input

VIH

VCC < 4.0V

0.7 ✕ VCC

V

MR Minimum Pulse Width

1µs

MR Glitch Rejection

75

ns

MR to RESET Delay

50

µs

MR Pullup Resistance

Pull up to VCC

12

20

28

k

Ω

Note 1: Devices production tested at +25°C. Over temperature limits are guaranteed by design.

Typical Operating Characteristics

(VCC = 5V, CSRT = 1500pF, TA = +25°C, unless otherwise noted.)

4

3

2

1

0

03

12

456

SUPPLY CURRENT vs.

SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

TA = +125

°C

TA = +25

°C

TA = -40

°C

0

1.0

0.5

2.0

1.5

3.0

2.5

3.5

-50

0

25

-25

50

75

100

125

SUPPLY CURRENT vs.

TEMPERATURE

TEMPERATURE (

°C)

VCC = 5V

VCC = 3.3V

VCC = 1.8V

VCC = 1V

0.1

1

100

10

1000

10,000

0.001

0.1

0.01

1

10

100

1000

RESET TIMEOUT PERIOD vs. CSRT

CSRT (nF)

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