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RX-4571SA:B3:PURESN

型号:

RX-4571SA:B3:PURESN

品牌:

SEIKO[ SEIKO EPSON CORPORATION ]

页数:

2 页

PDF大小:

279 K

Real time clock module  
Product Number (Please contact us)  
RX-4571LC : Q414571C2000100  
RX-4571NB : Q41457192000100  
RX-4571SA : Q41457152000100  
REAL TIME CLOCK MODULE (SPI-Bus)  
LOW BACKUP VOLTAGE  
RX - 4571LC/NB/SA  
Built in frequency adjusted 32.768 kHz crystal unit.  
Interface Type  
: 3-wire serial interface  
Operating voltage range  
Wide Timekeeper voltage range  
Low backup current  
: 1.6Vto5.5V  
: 1.0Vto5.5V / Ta=+25C  
: 0.32A(Typ.)/3V  
32.768 kHz frequency output function : C-MOS output With Control Pin  
Real-time clock function  
Clock/calendar function, auto leap year correction function,  
alarm interrupt function, etc.  
Actual size  
RX-4571LC  
RX-4571NB  
RX-4571SA  
Block diagram  
Overview  
32.768 kHz frequency output function  
• FOUT pin output(C-MOS output), CL=30 pF  
CONTROL LINE  
32.768 kHz  
Timer function  
• Timer function which can be set up between  
1/4096 second and 4095 minutes.  
DIVIDER  
CLOCK and  
CALENDAR  
OSC  
Alarm function  
• Alarm function can be set to any combination of day,  
day of week, hour, or minute.  
FOUT  
FOE  
FOUT  
TIMER  
CONTROLLER  
REGISTER  
REGISTER  
Pin Function  
Signal  
Name  
Function  
Input/Output  
INTERRUPTS  
CONTROLLER  
ALARM  
/IRQ  
The chip enabled input pin 0.  
( It has a built -in pull-down resistance )  
Input  
CE  
Input  
The shift clock input pin for serial data transfer.  
The data input / output pin for serial data transfer.  
CLK  
DIO  
CONTROL  
REGISTER  
and  
SYSTEM  
CONTROLLER  
BUS  
DIO  
CLK  
CE  
Bi-directional  
INTERFACE  
CIRCUIT  
32.768kHzclock output pin with the output control  
function. (C-MOS)  
FOUT  
Output  
FOE pin control the condition of FOUT with  
FSEL1-bit, FSEL0-bit, etc.  
FOE  
Input  
/ IRQ  
Output  
Interrupt output (N-ch open drain)  
Connected to a positive power supply.  
Connected to a ground.  
DD  
V
GND  
Terminal connection/External dimensions  
(Unit:mm)  
RX4571LC  
RX4571NB  
  
4571SA  
RX  
1. FOE  
2. DIO  
3. (GND)  
4. CLK  
5. CE  
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.  
1. FOE  
2. N.C.  
3. DIO  
4. CLK  
5. CE  
12.  
V
1. GND  
2. N.C.  
3. CE  
14. FOUT  
13. N.C.  
12. N.C.  
11. N.C.  
DD  
11. N.C.  
10. N.C.  
9. N.C.  
8. /IRQ  
7. FOUT  
4. CLK  
5. DIO  
6. N.C.  
7. FOE  
6. GND  
7. N.C.  
8. N.C.  
9. FOUT  
10. /IRQ  
DD  
5.0  
2.4  
4.8  
10.  
/IRQ  
1.30.1  
9. N.C.  
8. VDD  
13.  
12.  
6. GND  
  
  
7.40.2  
2.8  
5.00.2  
11.  
V
SOP - 14 pin  
VSOJ12pin  
SON22 pin  
*Stop using the glue  
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.  
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  
LC-package  
a
crystal oscillation stops.Consider glue abolition or glue do not touch to  
Specifications (characteristics)  
Refer to application manual for details.  
Recommended Operating Conditions  
Current consumption characteristics  
Ta=-40Cto+85C  
Item  
Symbol  
VDD  
Conditions  
Min.  
Typ.  
Max.  
Unit  
Symbol  
Conditions  
Min.  
Typ.  
0.40  
Max.  
Unit  
Power voltage  
1.6  
1.0  
1.1  
3.0  
3.0  
3.0  
5.5  
5.5  
5.5  
V
V
V
  
VDD  
=5V  
CE=GND  
/IRQ=OFF  
Ta=+25C  
Ta=-40to+85C  
-
1.00  
Clock voltage  
VCLK  
TOPR  
IBK  
A  
Operating  
temperature  
FOUT;  
-40  
+25  
+85  
C  
  
VDD  
=3V  
-
-
-
0.32  
8.0  
0.95  
14.0  
8.5  
output OFF(Hi-z)  
Frequency characteristics  
CE=GND  
/IRQ=OFF  
VDD  
=5V  
Item  
Symbol  
Conditions  
Rating  
Unit  
Ta=+25C  
FOUT;  
Frequency  
tolerance  
Oscillation  
6  
I32k  
A  
f/f  
B: 523 *  
10  
VDD=3.0V  
Ta=+25C  
VDD=1.6V  
32.768kHz output  
VDD  
=3V  
5.0  
ON  
s
1Max.  
tSTA  
CL=30pF  
start-up time  
* Please ask for tighter tolerance. (Equivalent to 1 minute of monthly deviation)  
PROMOTION OF ENVIRONMENTAL MANAGEMENT SYSTEM  
CONFORMING TO INTERNATIONAL STANDARDS  
At Seiko Epson, all environmental initiatives operate under the  
Plan-Do-Check-Action (PDCA) cycle designed to achieve continuous  
ISO 14000 is an international standard for environmental  
improvements. The environmental management system (EMS)  
operates under the ISO 14001 environmental management standard.  
All of our major manufacturing and non-manufacturing sites, in  
Japan and overseas, completed the acquisition of ISO 14001  
certification.  
management that was established by the International  
Standards Organization in 1996 against the background of  
growing concern regarding global warming, destruction of  
the ozone layer, and global deforestation.  
WORKING FOR HIGH QUALITY  
In order provide high quality and reliable products and services  
than meet customer needs,  
ISO/TS16949 is the international standard that added the  
sector-specific supplemental requirements for automotive  
industry based on ISO9001.  
Seiko Epson made early efforts towards obtaining ISO9000 series  
certification and has acquired ISO9001 for all business  
establishments in Japan and abroad. We have also acquired ISO/TS  
16949 certification that is requested strongly by major automotive  
manufacturers as standard.  
Explanation of the mark that are using it for the catalog  
Pb free.  
Complies with EU RoHS directive.  
*About the products without the Pb-free mark.  
Contains Pb in products exempted by EU RoHS directive.  
(Contains Pb in sealing glass, high melting temperature type solder or other.)  
Designed for automotive applications such as Car Multimedia, Body Electronics, Remote Keyless Entry etc.  
Designed for automotive applications related to driving safety (Engine Control Unit, Air Bag, ESC etc ).  
Notice  
This material is subject to change without notice.  
Any part of this material may not be reproduced or duplicated in any form or any means without the written permission of Seiko Epson.  
The information about applied circuitry, software, usage, etc. written in this material is intended for reference only. Seiko Epson does  
not assume any liability for the occurrence of infringing on any patent or copyright of a third party. This material does not authorize the  
licensing for any patent or intellectual copyrights.  
When exporting the products or technology described in this material, you should comply with the applicable export control laws and  
regulations and follow the procedures required by such laws and regulations.  
You are requested not to use the products (and any technical information furnished, if any) for the development and/or manufacture of  
weapon of mass destruction or for other military purposes. You are also requested that you would not make the products available to  
any third party who may use the products for such prohibited purposes.  
These products are intended for general use in electronic equipment. When using them in specific applications that require extremely  
high reliability, such as the applications stated below, you must obtain permission from Seiko Epson in advance.  
/ Space equipment (artificial satellites, rockets, etc.) / Transportation vehicles and related (automobiles, aircraft, trains,  
vessels, etc.) / Medical instruments to sustain life / Submarine transmitters / Power stations and related / Fire work equipment  
and security equipment / traffic control equipment / and others requiring equivalent reliability.  
All brands or product names mentioned herein are trademarks and/or registered trademarks of their respective.  
Seiko Epson Corporation  
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