DS1371 datasheet(2/14 Pages) MAXIM

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DS1371

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ABSOLUTE MAXIMUM RATINGS

Voltage Range on VCC Pin Relative to Ground

-0.3V to +6.0V

Voltage Range on SDA, SCL, and WDS Relative to Ground

-0.3V to VCC +0.5V

Operating Temperature Range

-40°C to +85°C

Storage Temperature Range

-55°C to +125°C

Soldering Temperature

See IPC/JEDEC J-STD-020A

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 can affect device reliability.

RECOMMENDED DC OPERATING CONDITIONS

(TA = -40°C to +85°C)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

Supply Voltage (Note 1)

VCC

1.7

3.3

5.5

Input Logic 1 (Notes 2, 3)

VIH

0.7 VCC

VCC + 0.3

Input Logic 0 (Notes 2, 3)

VIL

-0.3

0.3VCC

DC ELECTRICAL CHARACTERISTICS

(VCC = 1.7V to 5.5V, TA = -40°C to +85°C, unless otherwise noted.) (Note 4)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage (Note 1)

VCC

1.7

5.5

Oscillator Operating Voltage

Range (Note 1)

VOSC

1.3

5.5

Input Leakage

ILI

(Note 2)

I/O Leakage

ILO

(Note 3)

VCC > 2V; VOL = 0.4V

SDA Logic 0 Output (Note 1)

IOLSDA

VCC < 2V; VOL = 0.2VCC

VCC > 2V; VOL = 0.4V

3.0

1.7V < VCC < 2V;

VOL = 0.2VCC

3.0

SQW/INT Logic 0 Output

(Note 1)

IOLSQW

1.3V < VCC < 1.7V;

VOL = 0.2VCC

250

Active Supply Current

ICCA

(Note 5)

100

150

Timekeeping Current

(Oscillator Enabled, INTCN = 1)

IOSC0

(Notes 6, 7)

800

Timekeeping Current

(Oscillator Enabled, INTCN = 0)

IOSC1

(Notes 6, 7)

1300

Data Retention Current

(Oscillator Disabled)

IDDR

(Note 6)

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