MAX6843UKD3 datasheet(3/9 Pages) MAXIM

Part #	MAX6843UKD3

Description	Ultra-Low-Voltage uP Reset Circuits and Voltage Detectors

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Manufacturer	MAXIM [Maxim Integrated Products]

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Ultra-Low-Voltage µP Reset Circuits and

Voltage Detectors

_______________________________________________________________________________________

3

Note 1: 100% production tested at +25°C. Overtemperature limits are guaranteed by design.

Note 2: The active-low output RESET has VCC(MIN) = 0.55V (MAX6841/MAX6842).

Note 3: For VCC > 0.788V, TA = 0°C to +85°C, and for VCC > 0.833V, TA = -40°C to +85°C.

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +0.55V to +1.8V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

≥ 0.55V, ISINK = 10µA, reset asserted

0.2

× VCC

Open-Drain RESET Output

Voltage

VOL

VCC

≥ 0.83V, ISINK = 80µA, reset asserted

0.2

× VCC

V

Open-Drain RESET Output

Leakage Current

ILKG

VCC > VTH, reset not asserted

1

µA

VCC

≥ 0.55V, ISINK = 10µA, reset asserted

0.2

× VCC

VOL

VCC

≥ 0.83V, ISINK = 80µA, reset asserted

0.2

× VCC

Push-Pull RESET Output Voltage

VOH

VCC

≥ 0.83V, ISOURCE = 40µA, reset not

asserted

0.8

× VCC

V

VCC

≥ 0.75V, ISOURCE = 10µA, reset

asserted

0.8

× VCC

VOH

VCC

≥ 0.83V, ISOURCE = 40µA, reset

asserted

0.8

× VCC

Push-Pull RESET Output Voltage

VOL

VCC

≥ 0.83V, ISINK = 80µA, reset not

asserted

0.2

× VCC

V

Typical Operating Characteristics

(VCC = 1.5V, TA = +25°C, unless otherwise noted.)

SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

1

2

3

4

5

6

7

8

9

0

-40

80

VCC = 1.8V

VCC = 1.5V

VCC = 0.9V

POWER-DOWN RESET DELAY

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

50

100

150

200

250

300

350

0

-40

80

VOD = 10mV

VOD = 20mV

VOD = 100mV

VOD = OVERDRIVE (mV)

NORMALIZED RESET TIMEOUT PERIOD

vs. TEMPERATURE

TEMPERATURE (

°C)

60

40

20

0

-20

0.96

0.98

1.00

1.02

1.04

1.06

0.94

-40

80

D2 OPTION

D3 OPTION

D4 OPTION

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