real time clock module actual size block diagram ? ? ? ? ? overview ? ? control 1 seconds minutes hours days month control 2 weekdays years minutes alarm hour alarm day alarm weekday alarm timer control clkout frequency timer 00 0f output control control logic por osc 32.768 khz crystal clkout clkoe divider voltage detector address register i 2 c-bus interface / int scl sda ?? wide operating temperature range for automotive ? ? -40 ?? c ? to ? +125 ?? c ?? clocking-status detection function ? ? it can judge the validity of data after backup operation return by a status of vl-bit. ?? 32.768 khz frequency output function ? ? clkout pin output (n-ch open drain output ) ? ? output frequency can be selected as 32.768 khz, 1024 hz, 32 hz, or 1 hz. ?? the various interrupt function ? ? timer function can be set up between 1/4096 second and 255 minutes. ? ? alarm function can be set to day of week, day, hour, or minute. pin function ? ? ? ? terminal connection ? / external dimensions ? ? ( uni t :mm ) ? ? signal name directions functions scl input serial clock input. sda bi-directional data input and output. clkout output the clkout pin is a clock output ? ( ? open drain output ? ) ? pin with control output. ? ( ? output frequency can be selected as 32.768 ? khz, 1024 ? hz, 32 ? hz, or 1 ? hz. ? ) ? the clkoe pin is an input pin used to control the output mode of the clkout output pin. during the initial power-on ? ( ? when power is applied from 0 v ? ) ? , if the clkoe input pin is at high level ? ( ? = h ? ) ? , the power-on reset function selects 32.768 ? khz as the frequency. clkoe input /int output interrupts output by alarm and timer events. ? ( ? open drain output ? ) ? v dd ? connected to a positive power supply. gnd ? connected to a ground. ? ra ??? 8565 ? sa 1. n.c. 14. clkout 2. scl 13. n.c. 3. sda 12. n.c. 4. n.c. 11. v dd 5. gnd 10. clkoe 6. n.c. 9. n.c. 7. / int 10.1 ?? ? 0.2 5.0 7.4 ??? 0.2 3.2 ??? 0.1 1.27 8. n.c. sop - 14 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. ? s p ecifications ( characteristics ) ? ? refer to a pp lication manual for details. ? ? recommended operating conditions item symbol conditions min. typ. max. unit operating voltage v dd ??? 1.8 3.0 5.5 v timekeeper voltage v clk ??? 1.7 3.0 5.5 v operating temperature t opr ??? -40 +25 +125 ? c ? ? frequency characteristics item symbol conditions rating unit frequency stability ?? f ? / ? f t a ? = ? +25 ?? c v dd ? = ? 3.0 ? v ?? b: 5 ??? 23 ? ? 1 ?? 10 ? ? 6 oscilation start up time t sta t a ? = ? +25 ?? c v dd ? = ? 1.8 ? v 1.5 ?? max. s t a ? = ? -40 ?? c ? to ? +125 ? ? c v dd ? = ? 3.0 ? v 3 ?? max. s ?? ? 1 ? ) ? ? equivalent to 1 minutes of monthly deviation. real time clock module (i 2 c-bus) for automotive extended operating temperature range (+125 ? c) ra - 8565 ? sa ? built in frequency adjusted 32.768 khz crystal unit. ? interface type : i 2 c-bus interface ? (400 ? khz) ? ? wide operating voltage range : 1.8 ? v ? to ? 5.5 ? v ? wide timekeeper voltage range : 1.7 ? v ? to ? 5.5 ? v ? t a ? = ? -40 ?? c ? to ? +125 ?? c ? extended operating temperature range : -40 ?? c ? to ? +125 ?? c ? 32.768 khz frequency output function : n-ch open drain output with control pin ? the various functions include full calendar, alarm, timer,etc. ? applications : car audio, car navigation system, clock, ecu sub clock ? conforms to aec-q200 * the i 2 c-bus is a trademark of nxp semiconductors product number (please contact us) RA-8565SA : q41a86552xxxx00 ? ? current consumption under backup mode. item symbol conditions min. typ. max. unit standby current. i bk f scl ? = ? 0 ? hz clkoe ? = ? low ? v dd ? = ? 5 ? v ? +125 ?? c - 1.10 1.8 ? a -40 ?? c to +85 ?? c - 0.60 1.2 f scl ? = ? 0 ? hz clkoe ? = ? low ? v dd ? = ? 3 ? v ? +125 ?? c - 1.00 1.6 ? a -40 ?? c to +85 ?? c - 0.55 1.0
promotion of environm ental 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 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. working for high quality in order provide high quality a nd reliable products and services than meet customer needs, 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 multim edia, body electronics, remote keyless entry etc. ? designed for automotive applications related to drivi ng safety (engine control unit, air bag, esc etc ). seiko epson corporation notice ? this material is subjec t 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. wr itten in this material is intended for reference only. seiko epson does not assume any liability for the occurrence of infringing on any pat ent or copyright of a third party. this material does not a uthorize the licensing for any patent or intellectual copyrights. ? when exporting the products or technology described in this material, you should comp ly with the applicable export control law s and regulations and follow the procedures r equired 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 manufac ture of weapon of mass destruction or for other milit ary purposes. you are also requested that you would not make the products availabl e 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 s pecific applications that require ext remely high reliability, such as the applications stated below, y ou must obtain permission from seiko epson in advance. / space equipment (artificial satellites, rockets, etc.) / trans portation vehicles and related ( automobiles, aircraft, trains, vessels, etc.) / medical instruments to sustain life / submari ne transmitters / power stations and related / fire work equipmen t and security equipment / traffic control equipment / and others requiring equivalent reliability. ? all brands or product names mentioned herein are trademar ks and/or registered trademarks of their respective. iso 14000 is an international standard for environmental 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. iso/ts16949 is the international standard that added the sector-specific supplemental requirements for automotive industry based on iso9001.
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