DS1337_06 datasheet(2/15 Pages) MAXIM

2 / 15 page

DS1337 I

2C Serial Real-Time Clock

2 of 15

ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground…………………………………………………………...…-0.3V to +6.0V

Operating Temperature Range (Noncondensing)………………………………………………………….-40°C to +85°C

Storage Temperature Range………………………………………………………………………………..-55°C to +125°C

Soldering Temperature…………………………………………………………See IPC/JEDEC J-STD-020 Specification

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 the absolute maximum rating conditions for extended periods may affect device reliability.

RECOMMENDED DC OPERATING CONDITIONS

(TA = -40°C to +85°C)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

VCC

Full operation

1.8

3.3

5.5

VCC Supply Voltage

VCCT

Timekeeping

1.3

1.8

SCL, SDA

0.7 x VCC

VCC + 0.3

Logic 1

VIH

INTA, SQW/INTB

5.5

Logic 0

VIL

-0.3

+0.3 x VCC

DC ELECTRICAL CHARACTERISTICS

(VCC = 1.8V to 5.5V, TA = -40°C to +85°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Leakage

ILI

(Note 2)

-1

µA

I/O Leakage

ILO

(Note 3)

-1

µA

Logic 0 Output (VOL = 0.4V)

IOL

(Note 3)

Active Supply Current

ICCA

(Note 4)

150

µA

Standby Current

ICCS

(Notes 5, 6)

1.5

µA

DC ELECTRICAL CHARACTERISTICS

(VCC = 1.3V to 1.8V, TA = -40°C to +85°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Timekeeping Current

(Oscillator Enabled)

ICCTOSC

(Notes 5, 7, 8, 9)

425

600

Data-Retention Current

(Oscillator Disabled)

ICCTDDR

(Notes 5, 9)

100

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