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RX-8571SA:B0

型号:

RX-8571SA:B0

品牌:

SEIKO[ SEIKO EPSON CORPORATION ]

页数:

2 页

PDF大小:

280 K

Real time clock module  
REAL TIME CLOCK MODULE (I2C-Bus)  
Low current consumption  
Product Number (Please contact us)  
RX-8571SA : X1B000072xxxx00  
RX-8571NB : X1B000062xxxx00  
RX-8571LC : X1B000052xxxx00  
RX - 8571SA/NB/LC  
Built-in frequency adjusted 32.768kHz crystal unit.  
Interface Type  
Operating voltage range  
: I2C-Bus Interface(400kHz)  
: 1.6V to5.5V  
Wide Timekeeper voltage range : 1.3Vto5.5V  
Low backup current  
: 220nA/3V(Typ.)  
32.768 kHz frequency output function : C-MOS output With Control Pin  
Actual size  
RX-8571SA  
User RAM  
: 128 bit  
The various functions include full calendar, alarm, timer,etc.  
(Long-running timer : 65535 hours)  
RX-8571NB  
RX-8571LC  
* The I2C-Bus is a trademark of NXP Semiconductors  
Block diagram  
Overview  
( 32.768 kHz )  
32.768 kHz frequency output function  
FOE pin enable output on/off control.  
Output frequency can be selected  
as 32.768 kHz, 1024 Hz, 1 Hz.  
XG  
XD  
OSC  
DIVIDER  
CLOCK  
and  
CALENDAR  
FOE  
FOUT  
CONTROLLER  
FOUT  
Timer Function  
TIMER REGISTER  
ALARM REGISTER  
Timer function can be set up between  
1/4096 second and 65535 hours.  
Timing period are 1 h, 1 min, 64 Hz, 4096 Hz.  
It is recorded automatically to TF-bit at the time of  
event occurs, and possible to output with /IRQ pin  
output.  
INTERRUPTS  
CONTROLLER  
/ IRQ  
CONTROL  
REGISTER  
/BM  
and  
INTERFACE  
CIRCUIT  
DAS  
SDA  
SCL  
Alarm function  
SYSTEM  
Alarm function can be set to day of week,  
day, hour, or minute.  
CONTROLLER  
It is recorded automatically to AF-bit at the time of  
event occurs, and possible to output with /IRQ pin  
output.  
USER REGISTER  
128 bit (16 word x 8 bit)  
 Built-in RAM  
128 bit (16 word x 8 bit)  
Terminal connection/External dimensions  
(Unit:mm)  
RX8571LC  
RX8571NB  
RX8571SA  
  
1. FOE  
2. /BM  
3. (GND)  
4. SDA  
5. SCL  
6. DAS  
7. GND  
8. N.C.  
9. FOUT  
10. /IRQ  
DD  
22. N.C.  
1. GND  
2. N.C.  
3. DAS  
4. SCL  
5. SDA  
6. /BM  
7. FOE  
14. FOUT  
13. N.C.  
12. N.C.  
11. N.C.  
1. FOE  
2. /BM  
3. SDA  
4. SCL  
5. DAS  
6. GND  
12. VDD  
11. N.C.  
10. N.C.  
9. N.C.  
8. /IRQ  
7. FOUT  
21. N.C.  
20. N.C.  
19. N.C.  
18. N.C.  
17. N.C.  
16. N.C.  
15. N.C.  
14. N.C.  
5.0  
2.4  
4.8  
10.  
/IRQ  
1.30.1  
9. N.C.  
8. VDD  
13.  
12.  
  
  
0.2  
7.4  
2.8  
5.00.2  
11.  
V
SOP - 14 pin  
VSOJ12pin  
SON22 pin  
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.  
*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.  
Current consumption characteristics  
Recommended Operating Conditions  
Item  
Symbol  
Conditions  
Min.  
Typ.  
Max.  
Unit  
Item  
Symbol  
Conditions  
Min. Typ. Max. Unit  
Power voltage  
Clock voltage  
Operating  
VDD  
VCLK  
1.6  
1.3  
3.0  
3.0  
5.5  
5.5  
V
V
LC  
type  
FOE=/BM=”L”  
-
-
220 400  
200 400  
FOUT=OFF  
/IRQ=OFF  
VDD =3.0V  
Ta= +25C  
TOPR  
-40  
+25  
+85  
C  
temperature  
nA  
nA  
SA/NB  
type  
Frequency characteristics  
Current  
Consumption  
IDD  
Item  
Symbol  
Conditions  
Rating  
Unit  
FOE=/BM=”L”  
FOUT=OFF  
/IRQ=OFF  
VDD =3.0V  
Frequency  
tolerance  
Ta=+25C  
VDD=3.0V  
6
f/f  
10  
B: 523  
-
-
-
550  
Ta=+25C  
VDD=1.6V  
Oscillation  
start up time  
tSTA  
1 Max.  
s
Ta= -40Cto+85C  
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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