actual size real time clock module ? block diagram overview interrupts controller a larm registe r / irq1 bus interface circuit control register and system controller divider clock and sda user ram 128 bit scl calendr timer register a larm,timer,fout built-in xtal ( 32.768 khz ) / irq2 osc timer, fout ?? interface type ? i 2 c-bus high-speed bus specifications. (400 khz) ?? frequency output function ? it may select a cmos or open drain output ? output frequency can be selected as 32.768khz, 1024hz, 1hz. ?? timer function ? ? timer function can be set up between 1/4096 second and 65535 hours. ? ? timing period are 1hour, 1min, 64hz, 4096hz. ? it is recorded automatic to tf-bit at the time of event occurrence, and possible to output with /irq1 or /irq2 pin. ?? alarm function ? alarm function can be set to day of week, day, hour, and minute. ? it is recorded automatic to af-bit at the time of event occurrence, and possible to output with /irq1 pin. ?? user ram ? ? 128 bit (8 bit x 16, sram) pin function terminal connection ? / external dimension s ( unit:mm ) signal name input / output function scl input this is a shift clock input pin for serial data transmission. sda input/output this is the data input/output pin for serial data transfer. / irq1 output this pin outputs interrupt signals ("l" level) for alarm, timer, time update, and 32.768khz. this is an n-ch open-drain output. / irq2 output this pin outputs interrupt signals ("l" level) for timer and fout. ? this is a c-mos output. v dd supply this is a power-supply pin. gnd supply this pin is 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. s p ecifications ( characteristics ) ? refer to a pp lication manual for details. ? ? recommended operating conditions item symbol conditions min. typ. max. unit power voltage v dd - 1.6 3.0 5.5 v clock voltage v clk - 1.1 3.0 5.5 v operating temperature t opr - -40 +25 +85 ? c ? ? frequency characteristics item symbol conditions rating unit frequency tolerance ?? f ? / ? f t a ? = ? +25 ?? c v dd ? = ? 3.0 ? v ?? b: 5 ??? 23 ? * ?? 10 ? 6 oscillation start-up time t sta t a ? = ? +25 ?? c v dd ? = ? 1.6 ? v ??? 5.5 ? v 1 ?? max. s t a ? = ? -40 ?? c ? to ? +85 ? ? c v dd ? = 1.6v ? 5.5v 3 ?? max. s *equivalent to 1 minute of monthly deviation ? ? current consumpti on characteristics ? ta ? = ? -40 ?? c ? to ? +85 ?? c item symbol conditions min. typ. max. unit current consumption i bk input pins are "l" fclk = 0 hz, /irq1,2 = off tsel2=?1? v dd ? = ? 5 ? v ? - - 350 na v dd ? = ? 3 ? v ? - 160 320 i 32k fclk = 0 hz, /irq1: 32.768 ? khz on, /irq2: off v dd ? = ? 5 ? v ? - 0.60 1.10 a v dd ? = ? 3 ? v ? - 0.52 0.90 real time clock module (i 2 c-bus) low current consumption rx8010 ? sj ? built in frequency adjusted 32.768 khz crystal unit. ? interface type : i 2 c-bus interface (400 khz) ? operating voltage range : 1.6 ? v ? to ? 5.5 ? v ? wide timekeeper voltage range : 1.1 ? v ? to ? 5.5 ? v ? low backup current : 160 ? na ?? / ?? 3 ? v ? (typ.) ? ? frequency output function : c-mos or open-drain output ? built-in user ram : 128 bit (8 bit x 16, sram) ? the various functions include full calendar, alarm, timer, etc. ? this product is conform to i ndustrial standard sop8 package, and it can be mounted to the common land pattern. epson is prepared linux driver for this product. ( http://www5.epsondevice.com/en/quartz/tech/linux_for_rtc/index.html ) the registered trademark linux? is used pursuant to a sublicense from lmi(linux mark institute) the i 2 c-bus is a trademark of nxp semiconductors product number (please contact us) RX8010SJ : x1b000242xxxx00 sop-8 pin RX8010SJ 1.27 7.0 ? 0.2 3.9 ? 0.1 6.0 ? 0.2 2.65 max. unit: mm 1.n.c. 2.n.c. 3./irq2 4.gnd 8.v dd 7./irq1 6.scl 5.sda
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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