ACE5372

Low Power Real-Time Clock (RTC)

VER 1.2

24

DC Characteristics

Symbol

Item

Pin name

Conditions

Min.

Typ.

Max.

Unit

VIH

“H” Input Voltage

SCL, SDA

0.8VDD

6.0

V

VIL

“L” Input Voltage

SCL, SDA

-0.3

0.3VDD

V

IOL1

INTRA, INTRB

VOL1=0.4V

1

mA

IOL2

“L” Output Current

SDA

VOL2=0.6V

7

mA

IILK

Input Leakage Current

SCL

VI=6VorGND

VDD=6V

-1

1

uA

Operating Voltage

1.8

5.5

V

VDD

Counting Voltage

VDD

GND

1.2

5.5

V

IOZ

Output Off State Leakage Current

SDA, INTRA,

INTRB

VO=6VorGND

VDD=6V

-1

1

uA

IDD

Standby Current

VDD

VDD=5V,

TOPT=25℃

SCL,SDA=5V

0.4

uA

AC Characteristics

Characteristics Parameter

Symbol

Item

Conditions

Min. Max. Unit

SCL Clock Frequency

0

100

KHz

SCL Clock “L” Time

4.7

us

SCL Clock “H” Time

5

us

Bus release Time

before next data is transmitted

4.7

us

Start Condition Setup Time

4.7

us

Stop Condition Setup Time

4.7

us

Start Condition Hold Time

4

us

Stop Condition Hold Time

4

us

Data Setup Time

250

ns

Data input Hold Time

0

ns

Data output Hold Time

SCL negedge to SDA data

changes

0

ns

clock output

SCL negedge to SDA data availed

0.3

3.5

us

Rising Time of SCL and SDA (Input)

1

us

Falling Time of SCL and SDA (Input)

300

ns

Spike width that can be removed with input

filter

100

ns