DS3232MZ Просмотр технического описания (PDF) - Maxim Integrated

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DS3232MZ

±5ppm, I2C Real-Time Clock with SRAM

Maxim Integrated 

DS3232M

±5ppm, I2C Real-Time Clock with SRAM

DC ELECTRICAL CHARACTERISTICS—GENERAL (continued)

(VCC = +2.3V to +4.5V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at VCC = +3.3V, VBAT = +3.0V, and

TA = +25NC, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Temperature Conversion Current

(I2C Inactive)

ICCSCONV

200 350

µA

Power-Fail Voltage

Logic 0 Output

(32KHZ, INT/SQW, SDA)

Logic 0 Output (RST)

Logic 1 Output (32KHZ)

Output Leakage

(32KHZ, INT/SQW, SDA)

VPF

VOL

IOL = 3mA

VOL

IOL = 1mA

Active supply > 3.3V, IOH = -1mA

VOH Active supply > 2.7V, IOH = -0.75mA

Active supply > 2.3V, IOH = -0.14mA

ILO

2.45 2.575 2.70

V

0.4

V

0.4

V

2.0

2.0

V

2.0

-0.1

+0.1

µA

Input Leakage (SCL)

RST I/O Leakage

VBAT Leakage

Temperature Accuracy

Temperature Conversion Time

Pushbutton Debounce

Reset Active Time

Oscillator Stop Flag (OSF) Delay

ILI

IOL

IBATLKG

TEMPACC

tCONV

PBDB

tRST

tOSF

TA = +25NC

VCC or VBAT = +3.3V

(Note 4)

-0.1

+0.1

µA

-200

+10

µA

-100

25

+100

nA

Q3

NC

10

ms

250

ms

250

ms

25

100

ms

DC ELECTRICAL CHARACTERISTICS—VBAT CURRENT CONSUMPTION

(VCC = 0V, VBAT = +2.3V to +4.5V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at VCC = 0V, VBAT = +3.0V, and

TA = +25NC, unless otherwise noted.) (Note 1)

PARAMETER

Active Battery Current

(I2C Active)

SYMBOL

IBATA (Note 2)

CONDITIONS

MIN TYP MAX UNITS

25

75

µA

Timekeeping Battery Current

(I2C Inactive)

IBATT EN32KHZ = 0, INTCN = 1 (Note 2)

1.8

3.0

µA

Temperature Conversion Current

(I2C Inactive)

IBATTC

200 350

µA

Data Retention Current

(Oscillator Stopped and I2C

Inactive)

IBATDR TA = +25NC

100

nA

  3

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