Real time clock module Product Number (Please contact us) RTC-4574SA : Q41457452000200 REAL TIME CLOCK MODULE (SPI-Bus) RTC-4574JE : Q41457471000100 RTC-4574NB : Q4145749x000100 RTC - 4574 SA/ JE/ NB Built in frequency adjusted 32.768 kHz crystal unit. Interface Type : 3-wire serial interface Operating voltage range : 1.6Vto5.5V Wide Timekeeper voltage range : 1.6Vto5.5V Low backup current : 0.5 A / 3V (Typ. ) 32.768 kHz frequency output function : C-MOS output With Control Pin Actual size The various functions include full calendar, alarm, timer. RTC-4574SA RTC-4574JE RTC-4574NB Block diagram Overview 32.768 kHz CONTROL LINE 32.768 kHz frequency output function FOUT pin output (C-MOS output ), CL=30 pF Output frequency selectable from1/30 Hz to 32.768kHz OSC DIVIDER CLOCK and (32 Values) CALENDAR Timer function FOUT Timer function can be set up between 1/4096 second and OUTPUT TIMER FCON 255 minutes. CONTROLLER REGISTER It is recorded automatically to TF-bit at the time of event occurrence, and it s possible to output with /TIRQ pin output / TIRQ (open-drain output). INTERRUPTS ALARM Selectable one time mode or repeat mode. CONTROLLER REGISTER / AIRQ Alarm function DATA CONTROL Alarm function can be set to any combination of day of week, BUS hour, or minute. REGISTER CLK It is recorded automatically to AF-bit at the time of event INTERFACE occurrence, and it s possible to output with /AIRQ pin CE 1 output (open-drain output). CIRCUIT SHIFT REGISTER CE 0 Functions are compatible with RX-4574LC. Terminal connection /External dimensions (Unit:mm) RTC 4574SA RTC 4574JE RTC 4574NB 1. VDD 20. N.C. 1. GND 22. N.C. 1. GND 14. FCON 2. FCON 21. N.C. 2. FOUT 19. N.C. 2. FOUT 13. CE1 3. N.C. 20. N.C. 3. CE0 18. N.C. 4. CE1 19. N.C. 3. N.C. 12. DATA 4. /AIRQ 17. N.C. 5. DATA 18. N.C. 5. /TIRQ 16. N.C. 4. N.C. 11. CLK 6. CLK 17. N.C. 5.0 6. CLK 15. N.C. 4.8 7. /TIRQ 16. N.C. 5.4 5. N.C. 10. / TIRQ 7. DATA 14. N.C. 8. /AIRQ 15. N.C. 1.3 0.1 1.5 Max. 8. CE1 13. N.C. 6. N.C. 9. / AIRQ 9. CE0 14. N.C. 9. FCON 12. N.C. 7.4 0.2 10. FOUT 13. 7. VDD 8. CE0 5.0 0.2 6.0 0.2 10. GND 11. N.C. 11. VDD 12. SOP 14 pin VSOJ 20 pin SON22 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 Current consumption characteristics Ta =-40C to+85 C Item Symbol Conditions Min. Typ. Max. Unit Item Symbol Conditions Min. Typ. Max. Unit Power voltage VDD - 1.6 3.0 5.5 V VDD Clock voltage VCLK - 1.6 3.0 5.5 V =5V - 1.0 2.0 CE0, CE1=GND Operating TOPR - -40 +25 +85 C IBK A temperature FOUT output OFF VDD (Hi-z) =3V - 0.5 1.0 Frequency characteristics Current Consumption Item Symbol Conditions Rating Unit VDD CE0=GND =5V - 8.0 20.0 CE1=VDD Frequency Ta= +25 C 6 f / f 10 B: 5 23 tolerance VDD = 3.0 V I32k A FOUT VDD 32.768kHzoutput ON Oscillation Ta= +25 C =3V - 5.0 12.0 tSTA 3 Max. s CL=30pF start-up time VDD = 1.6 V Please ask for tighter tolerance.(Equivalent to 1 minute of monthly deviation) 1.27 3.2 0.1 10.1 0.2 0.65 7.0 0.3 0.5 6.3Max. 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) management that was established by the International operates under the ISO 14001 environmental management standard. Standards Organization in 1996 against the background of All of our major manufacturing and non-manufacturing sites, in growing concern regarding global warming, destruction of the ozone layer, and global deforestation. Japan and overseas, completed the acquisition of ISO 14001 certification. 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 Seiko Epson made early efforts towards obtaining ISO9000 series sector-specific supplemental requirements for automotive certification and has acquired ISO9001 for all business industry based on ISO9001. 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 data, circuitry, software, usage, etc. written in this material is intended for reference only. Seiko Epson does not assume any liability for the occurrence of customer damage or infringing on any patent or copyright of a third party. 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