RTC - 4543 SA/SB

5. Electrical Characteristics

5-1. Absolute Maximum Ratings

 

Item

 

Symbol

 

 

Conditions

 

Min.

 

Max.

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Supply voltage

 

 

VDD

 

 

 

 

-0.3

7.0

 

V

 

Input voltage

 

 

VI

 

 

Ta=+25 ° C

 

GND-0.3

 

VDD+0.3

 

V

 

Output voltage

 

 

VO

 

 

 

 

GND-0.3

 

VDD+0.3

 

V

 

Storage temperature

 

TSTG

 

-

 

-55

+125

 

° C

5-2. Operating Condition

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

Symbol

 

 

Conditions

 

Min.

 

Max.

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating supply

 

 

VDD

 

-

 

2.5

5.5

 

V

 

voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data holding voltage

 

VCLK

 

-

 

1.4

5.5

 

V

 

Operating temperature

 

TOPR

 

No condensation

 

-40

+85

 

° C

5-3. Frequency Characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

Symbol

 

Conditions

 

Max.

 

Unit

 

 

 

 

 

 

 

 

 

 

Frequency tolerance

 

∆ f/fO

 

Ta=+25 ° C , VDD=5.0 V

 

5 ± 23 *

 

⋅ 10-6

 

Frequency temperature

 

Top

 

-10to+70 ° C

+25 ° C ref

 

+ 10 / - 120

 

⋅ 10-6

 

characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

Frequency voltage

 

f/V

 

Ta=+25 ° C , VDD=2.0 to 5.5 V

 

±

2

 

⋅ 10-6/V

 

characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

Oscillation start time

 

tSTA

 

Ta=+25 ° C , VDD=2.5 V

 

 

3

 

s

 

Aging

 

fa

 

Ta=+25 ° C , VDD=5 V , first year

 

±

5

 

⋅ 10-6

*Monthly deviation: Approx. 1 min.

5-4. DC Characteristics

 

 

Unless specified otherwise: VDD = 5 V ±

10 %, Ta = - 40 to +85 ° C

Item

Symbol

Conditions

Min.

 

Typ.

Max.

Unit

 

 

 

 

 

 

 

 

 

Current consumption(1)

IDD1

VDD=5.0 V

CE=L , FOE=L

 

 

1.5

3.0

∝ A

Current consumption(2)

IDD2

VDD=3.0 V

FSEL=H

 

 

1.0

2.0

∝ A

Current consumption(3)

IDD3

VDD=2.0 V

 

 

 

0.5

1.0

∝ A

Current consumption(4)

IDD4

VDD=5.0 V

CE=L , FOE=H

 

 

4.0

10.0

∝ A

Current consumption(5)

IDD5

VDD=3.0 V

FSEL=L

 

 

2.5

6.5

∝ A

Current consumption(6)

IDD6

VDD=2.0 V

No load on the

 

 

1.5

4.0

∝ A

FOUT pin

 

 

 

 

 

 

 

 

 

 

Input voltage

VIH

WR,DATA,CE,CLK,

0.8 VDD

 

 

 

V

 

VIL

FOE,FSEL pins

 

 

 

0.2 VDD

V

Input off/leak current

IOFF

WR,CE,CLK,FOE,FSEL pins

 

 

 

0.5

∝ A

VIN = VDD or GND

 

 

 

 

 

 

 

 

 

 

Output voltage

VOH(1)

VDD=5.0 V

IOH=-1.0 mA

4.5

 

 

 

V

VOH(2)

VDD=3.0 V

DATA , FOUT pins

2.0

 

 

 

V

 

VOL(1)

VDD=5.0 V

IOL= 1.0 mA

 

 

 

0.5

V

 

VOL(2)

VDD=3.0 V

DATA , FOUT pins

 

 

 

0.8

V

Output load condition

N / CL

FOUT pin

2 LSTTL / 30 pF Max.

 

( fanout )

 

 

 

 

 

 

 

 

 

Output leak current

IOZH

VOUT=5.5 V DATA , FOUT pins

-1.0

 

 

1.0

∝ A

 

IOZL

VOUT=0 V

DATA , FOUT pins

-1.0

 

 

1.0

∝ A

Supply voltage detection

VDT

 

-

1.4

 

1.7

2.0

V

voltage

 

 

 

 

 

 

 

 

 

 

Page - 3

MQ - 252 - 03