Integrated Crystal and SRAM

_____________________________________________________________________

7

STANDBY SUPPLY CURRENT

vs. SUPPLY VOLTAGE

5.3

4.8

4.3

2.8

3.3

3.8

50

100

150

125

75

25

0

2.3

RST ACTIVE

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

5.3

4.8

4.3

2.8

3.3

3.8

800

900

1000

950

850

750

700

2.3

BB32kHz = 0

BBSQW = 0

BSY = 0

SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

80

60

40

-20

020

0.700

0.800

0.900

0.600

-40

BB32kHz = 0

FREQUENCY DEVIATION

vs. TEMPERATURE vs. AGING

TEMPERATURE (

°C)

80

60

40

-20

020

35

25

15

5

-5

-15

-25

-35

75

65

55

45

-45

-40

AGING = -128

AGING = -33

AGING = +127

AGING = 0

AGING = +32

Typical Operating Characteristics

DELTA TIME AND FREQUENCY

vs. TEMPERATURE

TEMPERATURE (

°C)

80

70

50 60

-10 0 10 20 30 40

-30 -20

-180

-160

-140

-120

-100

-80

-60

-40

-20

0

20

-200

-80

-60

-40

-20

0

-100

-40

DS3232 toc05

CRYSTAL

+20ppm

CRYSTAL

-20ppm

TYPICAL CRYSTAL,

UNCOMPENSATED

DS3232

ACCURACY

BAND