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RX-4035

型号:

RX-4035

品牌:

EPSON[ EPSON COMPANY ]

页数:

2 页

PDF大小:

269 K

Real time clock module  
Product Number (Please contact us)  
RX-4035SA: X1B000192xxxx00  
RX-4035LC: X1B000202xxxx00  
REAL TIME CLOCK MODULE (SPI-Bus)  
High-Stability Frequency with Built in Timestamp and  
Power Switching  
RX-4035SA/LC  
Built-in 32.768 kHz crystal unit : Frequency adjusted for high accuracy.  
(5106/Ta=+25C)  
Interface Type  
: SPI-Bus (1MHz)  
Operating voltage range  
Timekeeping voltage range  
Low backup current  
: 2.4Vto5.5V  
: 1.0Vto5.5V  
: 350 nA (SA) 400 nA (LC)/ 3V(Typ.)  
Actual size  
RX-4035SA  
Event detection and Time stamp : One-shot full timestamp and interrupt.  
RX-4035LC  
Dual event detection ports  
: Each terminal has a de-bounce circuit.  
Auto power switching functions : When VDD deteriorates than 2.4V,  
internal source is switched to VBAT.  
.
Block diagram  
Overview  
The event detection and Timestamp function  
Dual event detection terminals.  
Main  
Vout  
Selectable de-bounce period 35ms or 2s.  
Available event detection interrupt output.  
VBAT  
VDD  
VOLTAGE  
DETECTOR  
VOLTAGE  
DETECTOR  
Rechargeable  
Battery.  
or  
Power switching functions.  
Capacitor.  
When VDD is less than 2.4V, an internal source is switched  
CE  
to VBAT.  
CLK  
CLOCK  
OSC  
Note: When the supply from VBAT, SPI interface are  
disabled.  
SI  
CALENDER  
External  
CPU  
SO  
TIME STAMP  
De-bounce  
CLKOUT  
/ INT  
Alarm, Periodic interrupt, 32.768kHz clock output.  
Available monthly-alarm and weekly-alarm.  
Interrupt period are selectable from 2Hz to Monthly.  
CLKOUT outputs 32.768kHz clock powered by VDD.  
Detects High level.  
EVIN1  
EVIN2  
GND  
Pin function  
Terminal connection/External dimensions  
(Unit:mm)  
Signal  
Name  
Input /  
Output  
RX4035LC  
RX4035SA  
Function  
1. Vout  
12. EVIN1  
11. CE  
VBAT  
1. N.C.  
2. CLK  
14. EVIN2  
13. SI  
Power supply for backup.  
Switched power out.  
(maximum output current 20mA)  
2. VDD  
Vout  
Output  
3. N.C.  
10. / INT  
9. GND  
8. SO  
CE  
CLK  
SO  
Input  
Input  
SPI chip enable.  
3. CLKOUT  
4. VBAT  
5. N.C.  
6. VDD  
7. Vout  
12. SO  
2.4  
SPI serial clock.  
SPI data out.  
4. VBAT  
5. CLKOUT  
11. GND  
10. / INT  
9. CE  
5.0  
Output  
Input  
SI  
SPI data in.  
2.8  
6. CLK  
7. SI  
GND  
EVIN1  
EVIN2  
/ INT  
Ground  
7.40.2  
Input  
Input  
Event detection input 1  
Event detection input 2  
Interrupt out.  
8. EVIN1  
VSOJ12pin  
SOP14 pin  
Output  
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.  
CLKOUT Output  
32.768kHz output. (CMOS. Can not inhibit.)  
Do not connect.  
N.C.  
VDD  
*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  
Main power supply.  
Specifications (characteristics)  
 Refer to application manual for details.  
Recommended Operating Conditions  
Current consumption characteristics  
Ta=-40Cto+85C  
Symbol  
Item  
Symbol Conditions  
Min.  
Typ.  
Max.  
Unit  
Item  
Conditions  
Min.  
-
Typ.  
Max. Unit  
Operating voltage  
VACCESS  
VCLK  
VDD  
VBAT  
2.4  
1.0  
-40  
-55  
3.0  
3.0  
+25  
5.5  
5.5  
+85  
+125  
V
V
C  
C  
RX-4035SA  
Time keeping voltage  
Operating temperature  
Storage temperature  
350  
VBAT=3.0V, VDD = 0.0V  
CE = 0V, CLKOUT = open  
RX-4035LC  
VBAT=3.0V, VDD = 0.0V  
CE = 0V, CLKOUT = open  
TOPR  
TSTG  
IBAT  
1200  
2.50  
nA  
µA  
Current  
Consumption  
400  
Frequency characteristics  
VDD = 3.0V  
Item  
Symbol  
Conditions  
Rating  
Unit  
IDD CE = 0V  
CLKOUT = open  
-
1.40  
B: 523 1)  
AA: 552)  
AC: 052)  
Ta=+25°C  
VBAT=3.0V  
Frequency  
tolerance  
6
6
f/f  
10  
Power supply detection voltage  
Ta=-40Cto+85C  
Typ. Max. Unit  
Ta=+25°C  
VDD=3.0V  
Ta=+25°C  
Oscillation  
s
1Max.  
tSTA  
Item  
Symbol Conditions  
Min.  
1.10  
start-up time  
Frequency / voltage  
characteristics  
f/V  
1Max.  
10  
VBAT detect voltage  
VLOW  
VD2B  
-
1.25  
2.40  
1.40  
V
V
VDD=2.4Vto5.5V  
Power switching voltage  
(VDD to VBAT)  
1) Equivalent to 1 minute of monthly deviation (excluding offset.)  
2) Equivalent to 13 seconds of monthly deviation (excluding offset.)  
+25C  
2.328  
2.472  
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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