Datasheet > RTC-8564NBB

RTC-8564NBB

更新时间： 2024-11-13 14:44:31

品牌	Logo	应用领域
精工 - SEIKO		光电二极管外围集成电路
页数	文件大小	规格书
2页	291K
描述
1 TIMER(S), REAL TIME CLOCK, PDSO22, SON-22

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RTC-8564NBB 数据手册

Real time clock module

REAL TIME CLOCK MODULE (I²C-Bus)

Low current consumption

Product Number (Please contact us)

RTC-8564JE : Q41856471000100

RTC-8564NB : Q41856492000200

RX-8564LC : Q418564C2xxxx00

RTC-8564JE/NB



RX-8564 LC

Built in frequency adjusted 32.768 kHz crystal unit.

Interface Type

I²C-Bus Interface (400kHz)

1.8Vto5.5V

1.0Vto5.5V/-20C to +70C

275nA/3.0V(Typ.)

Operating voltage range

Timekeeper voltage range

Low backup current

32.768 kHz frequency output function

C-MOS output With Control Pin

The various functions include full calendar, alarm, timer,

and power supply voltage monitoring function

Actual size

RX-8564LC

RTC-8564JE

RTC-8564NB

* The I²C-Bus is a trademark of NXP Semiconductors

Block diagram

Overview

Interface Type

•I²C-Bus Interface.(Hi-speed bus specifications 400kHz)

I²C-Bus slave address:read A3h and write A2h

32.768 kHz

CRYSTAL

Control 1

OSC

Voltage Detector

DIVIDER

Control 2

Seconds

 Low Timekeeper voltage range

•1.0V to5.5V/ Ta=-20Cto+70C

•1.1V to5.5V/ Ta=-40Cto+85C

Minutes

Hours

CLKOUT

CLKOE

OUTPUT

Days

CONTROL

32.768 kHz frequency output function

•CLKOUT pin output (C-MOS output ), CL=30 pF

•CLKOE pin enables output on/off control.

•Output selectable

Weekdays

Month / Century

Years

<32.768kHz,1024Hz,32Hz,1Hz>

/ INT

Minutes Alarm

Hour Alarm

Day Alarm

Weekday Alarm

CLKOUT frequency

Timer Control

Timer

CONTROL

LOGIC

The various interrupt function

•Timer function can be set up between 1/4096 second and

255 minutes.

I²C-BUS

SCL

SDA

INTERFACE

• Alarm function can be set to any combination of day of

week, hour, or minute.

ADDRESS

POR

Pin Function

Terminal connection/External dimensions

(Unit

mm)

RTC8564JE

RX8564LC

RTC8564NB

Signal Name Input/Output

Function

Serial clock input pin.

Bi-directional Data input and output pin.

32.768kHzclock output pin with the

1. N.C.

20. N.C.

19. N.C.

18. N.C.

17. N.C.

16. N.C.

15. N.C.

14. N.C.

1. / INT

22. N.C.

21. N.C.

20. N.C.

19. N.C.

18. N.C.

17. N.C.

16. N.C.

15. N.C.

14. N.C.



SCL

SDA

Input

1. N.C.

2. N.C.

3. N.C.

4. N.C.

12. N.C.

2. GND

2. N.C.

3. ( GND )



3. CLKOE

4. VDD

11. CLKOE

10. VDD

4. N.C.

5. SDA

6. SCL

output control function. (C-MOS)

CLKOE pin control the condition of

CLKOUT with FE-bit, etc.

CLKOUT

CLKOE

Output

5. CLKOUT

6. SCL

2.4

4.8

9. CLKOUT

7. CLKOUT

8. VDD

5.4

CLKOE pin

input

bit

CLKOUT pin

output

7. SDA

5. / INT

1.30.1



8. SCL

9. GND

10.

1.5^^Max.^13. N.C.

12. N.C.

(GND)

Output

OFF



( C-MOS )

 

9. CLKOE

10. N.C.

11. N.C.

HIGH

LOW

Input



( LOW )



13.



6. GND

SDA

7.



( LOW )

2.8

5.00.2

6.00.2

11. N.C.

/INT

OFF

12. 

(LOW)

VSOJ20 pin

VSOJ12pin

SON22 pin

/INT

VDD

Output

Interrupt output ( N-ch open drain )



 

Connected to a positive power supply.

Connected to a ground.

The metal case inside of the molding compound may be exposed on the top or bottom of this product.

This purely cosmetic and does not have any effect on quality, reliability or electrical specs.

GND

*Stop using the glue

Any glue must never use it after soldering LC-package to a circuit board.This product has glass on the back side of a package.When glue invasions

between circuit board side and glass side, then glass cracks by thermal expansion of glue.In this case a crystal oscillation stops.Consider glue

abolition or glue do not touch to LC-package

Specifications (characteristics)

 Refer to application manual for details.

Recommended Operating Conditions

 Current consumption characteristics

Ta=-40Cto+85C

Item

Symbol

VDD

VCLK

Conditions

Min. Typ. Max. Unit

Item

Symbol

Conditions

Min. Typ. Max. Unit

Power voltage

Clock voltage

Operating

1.8

VLOW

3.0

5.5

VDD

=5V

fSCL=0Hz

CLKOE=GND

330 800

275 700

T^OPR

-40

+25 +85

°C

temperature

IBK

CLKOUT;

VDD

Low voltage detection

output OFF(LOW)

=3V

Item

Symbol

Conditions

Typ. Max. Unit

Current

Consumtion

0.9

1.0

1.1

1.2

1.3

Ta=-20C+70C

Ta=-40C+85C

Ta=-20C+70C

Ta=-40C+85C

fSCL=0Hz

CLKOE=VDD

VDD

=5V

JE,NB

2.5

1.5

3.4

2.2

Low voltage

detection

V^LOW

I32k

CLKOUT;

A

32.768kHz output ON

(Output=OPEN ;

CL=0pF)

VDD

=3V

Frequency characteristics

Item

Frequency

tolerance

Symbol

Conditions

Ta=+25°C

V^DD=3.0V

Rating

Unit

f/f

B: 523*



10^

* Please ask for tighter tolerance. (Equivalent to 1 minute of monthly deviation)

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与RTC-8564NBB相关器件

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