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Typical operating characteristics, Ds1337 i, C serial real-time clock – Rainbow Electronics DS1337 User Manual

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OSCILLATOR FREQUENCY vs. V

CC

DS1337 toc05

V

CC

(V)

FREQUENCY (Hz)

4.3

3.8

3.3

2.8

2.3

1.8

32767.50

32767.55

32767.60

32767.65

32767.70

32767.75

32767.45

1.3

4.8

V

CC

= 0V

I

CCA

vs. V

CC

(SQUARE-WAVE ON)

DS1337 toc04

V

CC

(V)

SUPPLY CURRENT (

µ

A)

4.8

4.3

3.3

3.8

2.8

2.3

20

40

60

0

1.8

5.3

I

OSC

VS. TEMPERATURE

(SQUARE-WAVE OFF)

DS1337 toc03

TEMPERATURE (

°C)

SUPPLY CURRENT (nA)

80

60

40

20

0

-20

375

425

450

475

350

-40

V

CC

= 3.0V

DS1337 toc02

400

450

500

550

600

650

700

750

800

850

350

I

OSC

VS. V

CC

(SQUARE-WAVE ON)

V

CC

(V)

SUPPLY CURRENT (nA)

4.8

4.3

3.8

3.3

2.3

2.8

1.8

1.3

I

OSC

VS. V

CC

(SQUARE-WAVE OFF)

DS1337 toc01

V

CC

(V)

SUPPLY CURRENT (nA)

4.8

4.3

3.8

3.3

2.3

2.8

1.8

350

400

450

500

300

1.3

DS1337 I

2

C Serial Real-Time Clock

TYPICAL OPERATING CHARACTERISTICS

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