RX8010SJB

Real time clock module REAL TIME CLOCK MODULE (I2C-Bus) Product Number RX8010SJ : X1B000242000100 Low current consumption RX8010SJ •Built in frequency adjusted 32.768 kHz crystal unit. •Interface Type : I2C-Bus interface (400 kHz) •Operating voltage range : 1.6 V to 5.5 V •Wide voltage for time keeping. : 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 industrial standard SOP8 package, and it can be mounted to the common land pattern. Epson prepared Linux driver for development. (http://www5.epsondevice.com/en/information/support/linux_rtc/) The registered trademark Linux® is used pursuant to a sublicense from LMI(Linux Mark Institute) The I2C-Bus is a trademark of NXP Semiconductors Block diagram Overview • Interface Type BUILT-IN XTAL ( 32.768 kHz ) OSC • I2C-Bus high-speed bus specifications. (400 kHz) CLOCK and DIVIDER • Frequency output function CALENDR • It may select a CMOS or open drain output • Output frequency can be selected as 32.768kHz, 1024Hz, 1Hz. TIMER REGISTER / IRQ1 ALARM,TIMER,FOUT CONTROL REGISTER BUS INTERFACE SCL SDA  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 REGISTER CONTROLLER TIMER, FOUT / IRQ2 • Timer function INTERRUPTS • Alarm function and CIRCUIT  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. SYSTEM CONTROLLER • User RAM USER RAM 128 bit  128 bit (8 bit x 16, SRAM) Pin Function Terminal connection / External dimensions (Unit:mm) RX8010SJ 1.N.C. Function 8.VDD 2.N.C. SCL Input SDA Input/Output This is a shift clock input pin for serial data transmission. / 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. VDD Supply This is a power-supply pin. GND Supply This pin is connected to a ground. This is the data input/output pin for serial data transfer. 7./IRQ1 7.0 ± 0.2 Input / Output 1.27 Signal Name 3./IRQ2 4.GND 6.SCL 5.SDA 3.9 ± 0.1 2.65 Max. 6.0 ± 0.2 Unit: mm SOP-8 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. Specifications (characteristics) ∗ Refer to application manual for details.  Recommended Operating Conditions Item Power voltage Clock voltage Operating temperature Symbol Conditions Min. Typ. Max. Unit VDD VCLK - 1.6 1.1 3.0 3.0 5.5 5.5 V V TOPR - -40 +25 +85 °C  Frequency characteristics Item Frequency tolerance Oscillation Start-up time Symbol ∆f/f tSTA Conditions Ta = +25 °C VDD = 3.0 V Ta = +25 °C VDD = 1.6 V ∼ 5.5 V Ta = -40 °C to +85 °C VDD = 1.6V ∼ 5.5V *Equivalent to ±1 minute of monthly deviation Rating Unit B: 5 ± 23 * × 10−6 1 Max. s 3 Max. s  Current consumption characteristics Item Symbol IBK Current Consumption I32k Ta = -40 °C to +85 °C Conditions Input pins are "L" fCLK = 0 Hz, /IRQ1,2 = OFF TSEL2=”1” fCLK = 0 Hz, /IRQ1: 32.768 kHz ON, /IRQ2: OFF VDD Min. Typ. Max. =5V - - 350 =3V - 160 320 =5V - 0.60 1.10 =3V - 0.52 0.90 Unit nA VDD VDD µA VDD 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 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. 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. WORKING FOR HIGH QUALITY In order provide high quality and 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 IATF 16949 certification that is requested strongly by major automotive manufacturers as standard. ►Explanation of the mark that are using it for the catalog IATF 16949 is the international standard that added the sector-specific supplemental requirements for automotive industry based on ISO9001. ►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：PLEASE READ CAREFULLY BELOW BEFORE THE USE OF THIS DOCUMENT ©Seiko Epson Corporation 2020 ―――――――――――――――――――――――――――――――――――――――――――――――――――― 1. The content of this document is subject to change without notice. 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