RX - 8581 SA / JE / NB

4. Absolute Maximum Ratings

GND = 0 V

Item

Symbol

Condition

Rating

Unit

 

 

 

 

 

 

 

Supply voltage

VDD

Between VDD and GND

0.3

to

+7.0

V

Input voltage (1)

VIN1

FOE pin

GND0.3

to

VDD+0.3

V

Input voltage (2)

VIN2

SCL and SDA pins

GND0.3

to

+8.0

V

Output voltage (1)

VOUT1

FOUT pin

GND0.3

to

VDD+0.3

V

Output voltage (2)

VOUT2

SDA and /INT pins

GND0.3

to

+8.0

V

Storage temperature

TSTG

When stored separately,

55

to

+125

° C

without packaging

 

 

 

 

 

 

5. Recommended Operating Conditions

 

 

 

 

 

 

GND = 0 V V

Item

Symbol

 

 

Condition

 

Min.

 

Typ.

Max.

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating supply voltage

VDD

 

 

 

1.8

 

3.0

5.5

 

V

Clock supply voltage

VCLK

 

 

 

1.6

 

3.0

5.5

 

V

Operating temperature

TOPR

No condensation

 

 

40

 

+25

+85

 

° C

6. Frequency Characteristics

 

 

 

 

 

 

 

 

 

 

GND = 0 V

Item

Symbol

 

 

Condition

 

 

Rating

 

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frequency precision

f /f

 

°

DD

 

5

±

23.0

(1)

 

10

-6

 

 

Ta = +25 C, V = 3.0 V

 

 

 

 

 

 

Frequency/voltage

 

f /V

Ta = +25 ° C, VDD = 2.0 V to 5.0 V

 

±

 

2 Max.

 

10-6 /V

characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frequency/temperature

 

Top

Ta = 10 ° C to +70 ° C,

 

+10 / 120

 

106

characteristics

 

 

VDD = 3.0 V ; +25 ° C reference

 

 

 

 

 

 

 

 

 

Oscillation start time

tSTA

Ta = +25 ° C, VDD = 3.0 V

 

 

 

3 Max.

 

 

s

 

Aging

 

fa

Ta = +25 ° C, VDD = 3.0 V, first year

 

±

 

5 Max.

 

106 /year

(1) Precision gap per month: 1 minutes (excluding offset value)

7. Electrical Characteristics

7.1. DC characteristics

*Unless otherwise specified, GND = 0 V , VDD = 1.8 V to 5.5 V , Ta = 40 ° C to +85 ° C

Item

Symbol

 

Condition

 

Min.

Typ.

Max.

Unit

 

 

 

 

 

 

 

 

 

 

 

Current

IDD1

fSCL = 0 Hz

 

 

VDD = 5 V

 

 

0.65

1.2

 

consumption (1)

/INT = VDD, FOE = GND

 

 

A

 

 

 

 

 

 

Current

IDD2

FOUT; output OFF

VDD = 3 V

 

 

0.45

0.8

 

 

 

consumption (2)

 

( low level )

 

 

 

 

 

 

 

 

 

 

 

Current

IDD3

fSCL = 0 Hz

 

 

VDD = 5 V

 

 

3.0

7.5

 

consumption (3)

/INT, FOE = VDD

 

 

 

 

 

 

 

FOUT;

 

 

 

 

 

 

 

A

Current

 

 

 

 

 

 

 

 

IDD4

32.768 kHz output ON ,

VDD = 3 V

 

 

1.7

4.5

 

consumption (4)

 

 

CL = 0 pF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Current

IDD5

fSCL = 0 Hz

 

 

VDD = 5 V

 

 

8.0

20.0

 

consumption (5)

/INT, FOE = VDD

 

 

 

 

 

 

 

FOUT ;

 

 

 

 

 

 

 

A

Current

 

 

 

 

 

 

 

 

IDD6

32.768 kHz output ON ,

VDD = 3 V

 

 

5.0

12.0

 

consumption (6)

 

 

CL = 30 pF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High-level

VIH1

FOE pin

 

 

 

0.7

VDD

 

VDD + 0.3

V

input voltage

VIH2

SCL and SDA pins

 

0.7

VDD

 

6.0

V

Low-level

VIL

Input pin

 

 

 

GND 0.3

 

0.3 VDD

V

input voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High-level

VOH1

FOUT pin

 

VDD=5 V, IOH=1 mA

4.5

 

5.0

V

VOH2

 

VDD=3 V, IOH=1 mA

2.2

 

3.0

output voltage

 

 

VOH3

 

 

VDD=3 V, IOH=100 A

2.9

 

3.0

 

 

 

 

 

 

 

VOL1

FOUT pin

 

VDD=5 V, IOL=1 mA

GND

 

GND+0.5

V

Low-level

VOL2

 

VDD=3 V, IOL=1 mA

GND

 

GND+0.8

VOL3

 

 

VDD=3 V, IOL=100 A

GND

 

GND+0.1

 

output voltage

VOL4

/INT pin

 

VDD=5 V, IOL=1 mA

GND

 

GND+0.25

V

 

VOL5

 

VDD=3 V, IOL=1 mA

GND

 

GND+0.4

 

 

 

 

 

 

VOL6

SDA pin

 

VDD 2 V, IOL=3 mA

GND

 

GND+0.4

V

Input leakage

ILK

Input pin, VIN = VDD or GND

 

0.5

 

0.5

A

current

 

 

 

 

 

 

 

 

 

 

 

 

Output leakage

IOZ

/INT, SDA, FOUT pins, VOUT = VDD or GND

0.5

 

0.5

A

current

 

 

 

 

 

 

 

 

 

 

 

Page - 3

MQ372-02