RTC-63421M datasheet(1/2 Pages) ETC

Part #	RTC-63421M

Description	4-bit MULTIFUNCTIONAL REAL TIME CLOCK MODULE

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57

Real time clock module

Specifications (characteristics)

Absolute Max. rating

Operating range

Frequency characteristics and current consumption

characteristics

External dimensions

Terminal connection

(Unit: mm)

RTC-63421/63421M

1

18

2

17

3

16

4

15

5

14

6

13

7

12

8

11

9

10

RTC63421 A

EPSON 6051A

RTC63423 A

EPSON 6100

(VDD) is to be same level as VDD. Do not connect it to any external terminals.

NC is not connected internally.

1

24

2

23

3

22

4

21

5

20

6

19

7

18

8

17

9

16

10

15

11

14

12

13

RTC-63423

RTC-63421/63421M

RTC-63423

∗ 1=63421M

∗ 2=Motorola

bus system

23.1 max.

2.8 max.

0.05 min.

7.62

0.25

16.3 max.

1.0

Unless otherwise stated, characteristics (specifications) shown in the above table are

based on the rated operating temperature and voltage condition.

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

INTERRUPT

CS0

ALE

A0

A1

A2

A3

RD (E

∗1)

GND

WR (R/W

∗1)

D3

D2

D1

D0

CS1

(VDD)

VDD

INTERRUPT

CS0

ALARM

ALE

A0

30sec.Adj

A1

68/80

A2

A3

RD (E

∗2)

GND

WR(R/W

∗2)

D3

D2

D1

1HZ

D0

CS1

STOP/ START

NC

(VDD)

VDD

63421/63421M

90

° to

105

°

0

° to

10

°

63423

4-bit MULTIFUNCTIONAL REAL TIME CLOCK MODULE

RTC-63421/63421M/63423

• Builtin crystal unit allows adjustment-free efficient operation.

• Alarm interruption of sec. to month and day of week possible.

• Provided with microcomputer compatible bus interface.

• Standard signal output selectable in a range of 10min. to 1024 Hz.

• Either sec. to hour and day of week or sec. to year and day of week is selectable.

• Reference area of time /alarm register is setabil. Provided with RAM bits.

(marked on “

∗” which is shown resister table)

• Provided with START/STOP 30 second adjusting function.

• Similar mounting method (RTC-63423) to the used for normal type SMD IC.

Item

Power source voltage

Input voltage

storage temperature

Soldering condition

Symbol

VDD

VIN

TSTG

TSOL

Condition

Ta=25˚C

RTC-63421

RTC-63421M

RTC-63423

RTC-63421

RTC-63421M

RTC-63423

Specifications

-0.3 to 7.0

-0.3 to VDD+0.3

-55 to +85

-55 to +125

Under 260˚C within 10 sec.

(lead part) (package should

be less than 150˚C)

Twice at under 260˚C within

10 sec. or under 230˚C

within 3 min.

Unit

V

˚C

Item

Operating voltage

Operating temperature

Data holding voltage

CS data holding time

Operation restoring time

Symbol

VDD

TOPR

VDH

tCDR

tR

Condition

-------

Refer to the data

holding timing

Specifications

4.5 to 5.5

-40 to +85

2.0 to 5.5

2.0 min.

Unit

V

˚C

V

µs

Item

Frequency tolerance

Frequency temperature

characteristics

Aging

Shock resistance

Current consumption

Symbol

∆f/fo

fa

S.R.

IDD 1

IDD 2

Ta=25˚C

VDD=5V

63421A/63421MA

63421B/63421MB

63423 A

63423

Condition

Three drops on a

hard board from 75 cm

or 3000G x 0.3ms x

1/2 sine wave x 3 directions

CS 1=0V

VDD=5V

VDD=2V

Specifications

+15/-5 (5±10)

+55/-45 (5±50)

+25/-15 (5±20)

+55/-45 (5±50)

+10/-120

+10/-220

±5 max.

±10 max.

30max.

1.8 max.

Unit

ppm

ppm/Y

ppm

µA

-10 to +70˚C

(25˚C reference temperature)

-30 to +85˚C

(25˚C reference temperature)

VDD=5V, Ta=25˚C,

first year

Model

RTC-63421

RTC-63421M

RTC-63423

Applicable CPU

Intel bus system

Motorola bus system

“MOTEL” bus system

Actual size

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