RV-3049 datasheet(53/65 Pages) MICROCRYSTAL

53 / 65 page

Micro Crystal

DTCXO Temperature Compensated Real Time Clock / Calendar Module

RV-3049

53/65

7.3. STATIC CHARACTERISTICS

VDD= 1.4 V to 5.5 V; VSS= 0 V; Tamb= -40°C to +125°C; fOSC= 32.768 kHz

PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

Supply voltage

VDD

Time-keeping mode

SPI bus reduced speed

1.4

5.5

SPI bus full speed

3.0

5.5

Minimum supply voltage detection

VLOW1

Tamb = -40°C to +125°C

1.8

2.1

Minimum supply voltage detection

VLOW2

Tamb = -40°C to +125°C

1.0

1.4

Main Supply to Backup Supply

Switchover Hysteresis

VHYST

VDD to VBACK = 3.0 V

Supply current

SPI bus inactive

CLKOUT disabled

VBACK = 0 V

VDD = 0 V

IDD

(VBACK = 0 V)

IBACK

(VDD = 0 V)

VDD = 1.4 V

Tamb = -40°C to +85°C

0.6

1.5

µA

VDD = 1.4 V

Tamb = -40°C to +125°C

4.6

µA

VDD = 3.3 V

Tamb = -40°C to +85°C

0.8

2.0

µA

VDD = 3.3 V

Tamb = -40°C to +125°C

5.2

µA

VDD = 5.0 V

Tamb = -40°C to +85°C

0.9

2.2

µA

VDD = 5.0 V

Tamb = -40°C to +125°C

5.5

µA

Supply current

SPI bus active

CLKOUT disabled

IDD

SCL = 200 kHz

VDD = 1.4 V

Tamb = -40°C to +85°C

µA

SCL = 200 kHz

VDD = 1.4 V

Tamb = -40°C to +125°C

µA

SCL = 1 MHz

VDD = 3.3 V

Tamb = -40°C to +85°C

µA

SCL = 1 MHz

VDD = 3.3 V

Tamb = -40°C to +125°C

µA

SCL = 1 MHz

VDD = 5.0 V

Tamb = -40°C to +85°C

µA

SCL = 1 MHz

VDD = 5.0 V

Tamb = -40°C to +125°C

µA

Current consumption

SPI bus inactive

CLKOUT = 32.768kHz,

CLOAD = 7.5pF

IDD32K

VDD = 5.0V

2.5

3.4

µA

VDD = 3.3V

1.5

2.2

µA

VDD = 1.4V

1.1

1.6

µA

Inputs

LOW level input voltage

VIL

VDD = 1.4 V to 5.0V

Pins: SCL, SDI, CLKOE, CE

20%

VDD

HIGH level input voltage

VIH

80%

VDD

Input leakage current

VSS > VI < VDD

Tamb = -40°C to +85°C

-1

µA

Tamb = -40°C to +125°C

-1.5

+1.5

µA

Input capacitance

Outputs

HIGH level output voltage

VOH

VDD = 1.4V; IOH = 0.1mA

1.0

VDD = 3.3V; IOH = 1.5mA

2.7

VDD = 5.0V; IOH = 2.0mA

4.5

LOW level output voltage

VOL

VDD = 1.4V; IOL = 0.4mA

0.2

VDD = 3.3V; IOL = 1.5mA

0.25

VDD = 5.0V; IOL = 5.0mA

0.8

HIGH level output current

IOH

VOH = 4.5 V / VDD = 5 V

2.0

LOW level output current

IOL

VOL = 0.8 V / VDD = 5 V

-5.0

Output leakage current

ILO

VO = VDD or VSS

Tamb = -40°C to +85°C

-1

µA

VO = VDD or VSS

Tamb = -40°C to +125°C

-1.5

+1.5

Operating Temperature Range

Operating temperature range

TOPR

-40

+125

°C

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