71M6543HT-IGTRSLASHF datasheet(9/75 Pages) MAXIM

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Electrical Characteristics (continued)

(Limits are production tested at TA = +25°C. Limits over the operating temperature range and relevant supply voltage range are guaran-

teed by design and characterization.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VBAT Current

Mission mode

-300

+300

Brownout mode

2.4

3.2

LCD mode (external VLCD)

0.4

108

LCD mode (internal VLCD from DAC)

3.0

µA

LCD mode (VBAT)

1.4

3.8

µA

Sleep mode

-300

+300

VBAT_RTC Current

Brownout mode

400

650

LCD mode

1.8

4.1

µA

Sleep mode, TA≤25°C

0.7

1.7

µA

Sleep mode, TA = 85°C (Note 1)

1.5

3.2

µA

Flash Write Current

Maximumflashwriterate

7.1

9.3

VV3P3D SWITCH

On-Resistance

VV3P3SYS to VV3P3D, IV3P3D≤1mA

Ω

VBAT to VV3P3D, IV3P3D≤1mA

IOH

INTERNAL POWER FAULT COMPARATOR

Response Time

100mV overdrive, falling

200

µs

100mV overdrive, rising

200

Falling Threshold, 3.0V

Comparator

2.83

2.93

3.03

Falling Threshold, 2.8V

Comparator

2.71

2.81

2.91

Difference between 3.0V and

2.8V comparators

136

220

Falling Threshold, 2.25V

Comparator

2.14

2.33

2.51

Falling Threshold, 2.0V

Comparator

1.90

2.07

2.23

Difference between 2.25V and

2.0V Comparators

0.15

0.25

0.365

Hysteresis

TA = +22°C

3.0V comparator

2.8V comparator

2.25V comparator

2.0V comparator

71M6543HT-IGTR/F Datasheet(PDF) 9 Page - Maxim Integrated Products

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