Real time clock module Product Number (Please contact us) RTC-7301SF : Q42730181000200 REAL TIME CLOCK MODULE (4-bit) RTC - 7301SF Built-in crystal unit 32.768 kHz with frequency adjusted High speed parallel interface compatible with SRAM Built-in alarm and timer interrupt functions. Built-in semiconductor temperature sensor (Voltage output: -7.8 mV / C) Frequency selectable clock output (32.768 kHz to 1/30 Hz) Built-in 30 second adjustment function, digital pace adjustment function -6 (Max. adjustment: 192 10 ) Actual size Operating voltage range:2.4 V to 5.5 V, time keeping voltage range: 1.6 V to 5.5 V RTC-7301SF Low current consumption (0.6 A / 3 V Typ.) Block diagram 32.768 kHz Control Line OSC DIVIDER Digital Trimming REGISTER Temperature CLOCK VTEMP Sensor and CALENDAR FOUT TIMER FOUT REGISTER FCON CONTROLLER ALARM INTERRUPTS / IRQ REGISTER CONTROLLER A0 A3 CONTROL REGISTER D0 D3 BUS and / WR INTERFACE SYSTEM / RD CIRCUIT CONTROLLER / CS0 CS1 External dimensions/Terminal connection (Unit:mm) RTC-7301SF (SSOP 24-pin) No. Pin No. Pin terminal terminal 10.2 0.3 1 /CS0 24 VDD 24 13 2 FCON 23 (VDD) 3 FOUT 22 (VDD) 4 VTEMP 21 (VDD) R7301 5 (VDD) 20 (VDD) 5.4 6 /IRQ 19 (VDD) E 123 4A 7 A0 18 CS1 8 A1 17 D0 9 A2 16 D1 10 A3 15 D2 1 12 11 /RD 14 D3 12 GND 13 /WR 0.15 2.0 Max. 0 Min. 0 - 10 0.5 0.8 0.36 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. Absolute Max. rating GND=0 V DC characteristics (GND=0 V,VDD=1.6 V to 5.5 V,Ta=40 C to +85 C) Item Symbol Conditions Min. Max. Unit Item Symbol Conditions Min. Typ. Max. Unit Supply voltage VDD VDD to GND -0.3 +7.0 /CS0,/RD,/WR=VDD Current consumption Input terminal, IDD1 VDD=5 V - 1.0 2.0 A0A3,CS1=GND Input voltage VIN VDD+0.3 (When non-accessed) D0 to D3 pins V D0D3,/IRQ=Hiz A GND-0.3 FOUT =Output OFF FOUT=Hiz(OFF) Output voltage(1) VOUT1 /IRQ pin +8.0 VTEMP=Output OFF IDD2 VDD=3 V - 0.6 1.0 VTEMP=Hiz(OFF) Output voltage(2) VOUT2 FOUT,D0D3,VTEMP pin VDD+0.3 Storage TSTG Stored as bare product. -55 +125 C temperature Operating range GND = 0 V Temperature sensor characteristics GND=0 V,Ta=-40 C to +85 C Item Symbol Conditions Min. Max. Unit Item Symbol Conditions Min. Typ. Max. Unit Power voltage VDD - 2.4 Temperature Ta=+25 C,GND based output voltage 5.5 V VTEMP - 1.470 - V output voltage Clock voltage VCLK - 1.6 VTEMP pins,VDD=2.7 V to 5.5 V Operating TOPR No condensation -40 +85 Output precision TACR Ta=+25 C,VDD=2.7 V to 5.5 V - - C 5.0 C temperature Temperature VSE -40 CTa+85 C,VDD=2.7 V to 5.5 V -7.3 -7.8 -8.3 mV/ C Frequency characteristics sensitivity Item Symbol Conditions Range Unit Linearity NL -40 CTa+85 C,VDD=2.7 V to 5.5 V - - 2.0 % Frequency Temperature (*1) -6 f /f Ta=+25 C,VDD=3.0 V B:5 23 10 TSOP NL 2.0 %,VDD=2.7 V to 5.5 V -40 - +85 C precision detection range Oscillation tSTA Ta=+25 C,VDD=2.4 V 3.0 Max. s Ta=25 C,VTEMP pins,VDD=2.7 V to 5.5 V Start up time Output resistance R0 - 1.0 3.0 k GND standard and VDD standard Frequency Ta=-10 C to +70 C -6 temperature TOP +10 / -120 10 VDD=3.0 V ,+25 C CL VDD=2.7 V to 5.5 V - - 100 pF characteristics Load condition Frequency Ta=+25 C, -6 f/V 2.0 Max. 10 /V RL VDD=2.7 V to 5.5 V 500 - - k voltage characteristics VDD=1.6 V to 5.5 V Ta=+25 C, -6 Aging fa 5.0 Max. 10 /year VDD=3.3 V VDD=3.0 V First year Response time - - 200 s tRSP CL=50 pF, RL=500 k , Max. 1 C (*1) Please ask tighter tolerance Discontinued product 7.8 0.3 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. 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 Discontinued product