21-0036 View Datasheet(PDF) - Maxim Integrated

Part Name

Description

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21-0036

I2C Serial Real-Time Clock

Maxim Integrated 

TYPICAL OPERATING CHARACTERISTICS

(VCC = 3.3v, TA = +25°C, unless otherwise noted.)

DS1339 I2C Serial Real-Time Clock

IBACKUP vs. VBACKUP

VCC=0V

RS1=RS0=1

900

850

800

750

IBAT OSC2

(SQWE = 1)

700

650

IBAT OSC1

(SQWE = 0)

600

550

500

450

400

350

300

1.3 1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3

VBACKUP (V)

IBACKUP vs. Temperature

VCC=0V

VBACKUP = 3.0V

650

600

INTCN = 0

RS2 = RS1 = 1

550

500

450

INTCN = 0

400

350

300

-40 -20

0

20

40

60

80

TEMPERATURE (°C)

ICC vs. VCC

250

SCL=400kHz

ICCA

200

150

SCL=SDA=0Hz

ICCS

100

50

1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3

VCC (V)

Oscillator Frequency vs. Supply Voltage

32768.5

32768.4

32768.3

32768.2

32768.1

32768.0

1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

Oscillator Supply Voltage (V)

7 of 20

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