21-0042 查看數據表（PDF） - Maxim Integrated

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21-0042

I2C Serial Real-Time Clock

Maxim Integrated 

DC ELECTRICAL CHARACTERISTICS

(VCC = MIN to MAX, TA = -40°C to +85°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

Input Leakage

I/O Leakage

Logic 0 Out

VOL = 0.4V; VCC > VCC MIN (-3, -33);

VCC ≥ 2.0V (-2)

Logic 0 Out

VOL = 0.2 (VCC);

1.8V < VCC < 2.0V (DS1339-2)

Logic 0 Out

VOL = 0.2 (VCC);

1.3V < VCC < 1.8V (DS1339-2)

VCC Active Current

VCC Standby Current (Note 6)

ILI

(Note 3)

ILO

(Note 4)

IOL

(Note 4)

IOL

(Note 4)

IOL

(Note 4)

ICCA

(Note 5)

-2: VCC = 2.2V

ICCS

-3: VCC = 3.3V

-33: VCC = 5.5V

Trickle-Charger Resistor Register

10h = A5h, VCC = Typ, VBACKUP = 0V

Trickle-Charger Resistor Register

10h = A6h, VCC = Typ, VBACKUP = 0V

Trickle-Charger Resistor Register

10h = A7h, VCC = Typ, VBACKUP = 0V

VBACKUP Leakage Current

R1

(Note 7)

R2

R3

IBKLKG

DC ELECTRICAL CHARACTERISTICS

(VCC = 0V, TA = -40°C to +85°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

VBACKUP Current EOSC = 0, SQW Off

VBACKUP Current EOSC = 0, SQW On

VBACKUP Current EOSC = 1

IBKOSC

IBKSQW

IBKDR

(Note 8)

(Note 8)

DS1339 I2C Serial Real-Time Clock

MIN TYP MAX UNITS

1

µA

1

µA

3

mA

3

mA

250

µA

450

µA

60

100

80

150

µA

200

250

Ω

2000

Ω

4000

Ω

25

100

nA

MIN TYP MAX UNITS

400

700

nA

600 1000

nA

10

100

nA

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