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Block diagramç This is a block diagram for RTC-7301SF. Be aware that RTC-7301DG differs according to the following 2 points. 1) The VTEMP output is not connected to an external pin. 2) The FCON input pin is not connected to an external pin, but is fixed at "H" internally. External dimensions/Terminal connectionç (Unit:mm)ç Specifications (characteristics) *Refer to application manual for details. ■A b s o l u t e M a x . r a t i n g GND=0 V ■DC characteristics ( GND=0 V,VDD=1.6 V to 5.5 V,Ta=-40 C to +85 C) Supply voltage V DD V DD to GND -0.3 +7.0 V Current consumption (When non-accessed) FOUT =Output OFF VTEMP=Output OFF IDD1 /CS0,/RD,/WR=VDD A0-A3,CS1=GND D0-D3,/IRQ=Hi-z FOUT=Hi-z(OFF) VTEMP=Hi-z(OFF) VDD=5 V - 1.0 2.0 A Input voltage V IN Input terminal, D0 to D3 pins GND-0.3 VDD+0.3 Output voltage(1) V OUT1 /IRQ pin +8.0 IDD2 V DD=3 V - 0.6 1.0Output voltage(2) V OUT2 F OUT,D0-D3,VTEMP pin V DD+0.3 Storage temperature TSTG Stored as bare product. -55 +125 C Note)There is no VTEMP pin on the RTC-7301DG so standards for t h e V TEMP pin within the conditions described above do not apply. ■Operating range G N D = 0 V ■Temperature sensor characteristics GND=0 V,Ta=-40 C to +85 C Power voltage V DD - 2.4 5.5 V Temperature output voltage VTEMP Ta=+25 C,GND based output voltage VTEMP pins,VDD=2.7 V to 5.5 V - 1.470 - V Clock voltage V CLK - 1.6 Operating temperature TOPR No condensation -40 +85 C Output precision T ACR T a=+25 °C,VDD=2.7 V to 5.5 V - - 5.0 C ■Frequency characteristics Temperature Item Symbol Conditions Range Unit Linearity NL -40 CTa+85 C,VDD=2.7 V to 5.5 V - - 2.0 % Frequency precision f /f T a=+25 C,VDD=3.0 V B:523 (*1) 10-6 Temperature detection range TSOP NL ±2.0 %,VDD=2.7 V to 5.5 V -40 - +85 C Oscillation GND standard and VDD standard - 1.0 3.0 k Frequency temperature characteristics TOP Ta=-10 C to +70 C Load condition CL V DD=2.7 V to 5.5 V - - 100 pF Frequency voltage characteristics f/V Ta=+25 C, Aging fa Ta=+25 C, VDD=3.0 V First year 5.0 Max. 10-6/year Response time tRSP VDD=3.3 V CL=50 pF, RL=500 k, Max. 1 °C - - 200 s (*1) Please ask tighter tolerance Note)There is no temperature sensor function on the RTC-7301DG. RTC-7301SF RTC-7301DG RTC-7301SF (SSOP 24-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. 0.5 0.15 0 - 10 0.8 2.0 Max. 0.36 0 Min. #12 #1 10.2 0.3 #24 #13 5.4 7.8 0.3 R7301 E 123 4A RTC-7301DG (DIP 18-pin) 7.62 0 -15 0.25 0.46 4.2 Max. 2.54 Min. 0.2 Min. 2.54 1.52 23.1 Max. 6.3 #18 #10 RTC7301 E 123 4A No. Pin terminal No. Pin terminal 1 /CS0 24 V DD
2 F CON 23 (V DD)
3 F OUT 22 (V DD)
4 V TEMP 21 (V DD)
5 (V DD) 20 (V DD) 6 /IRQ 19 (V DD)
7 A0 18 CS 1
8 A 1 17 D 0
9 A2 16 D 1
10 A3 15 D 2
12 GND 13 /WR
No. Pin terminal No. Pin terminal 1 /CS0 18 V DD
2 F OUT 17 (V DD)
3 /IRQ 16 (V DD)
4 A0 15 CS 1
5 A 1 14 D 0
6 A2 13 D 1
7 A 3 12 D 2
9 GND 10 /WR
REAL TIME CLOCK MODULE (4-bit) RTC - 7301SF / DG Built-in crystal unit 32.768 kHz with frequency adjusted Frequency selectable clock output (32.768 kHz to 1/30 Hz) Built-in 30 second adjustment function, digital pace adjustment function (Max. adjustment: 192 10-6) Built-in alarm and timer interrupt functions. Built-in semiconductor temperature sensor (Voltage output: -7.8 mV / C, RTC-7301SF) Operating voltage range:2.4 V to 5.5 V, time keeping voltage range: 1.6 V to 5.5 V Low current consumption (0.6 A / 3 V Typ.) High speed parallel interface compatible with SRAM FOUT CONTROLLER FOUT FCON INTERRUPTS CONTROLLER BUS INTERFACE CIRCUIT TIMER REGISTER ALARM REGISTER Temperature Sensor CLOCK and CALENDAR OSC 32.768 kHz DIVIDER CONTROL REGISTER and SYSTEM CONTROLLER / IRQ Control Line VTEMP Digital Trimming REGISTER A0 A3 / RD D0 D3 / W R / CS0 CS1 2 7301SF 7301DG Product Number (Please contact us) RTC-7301SF : Q42730182000200 RTC-7301DG : Q42730112000200
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. 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 Multimedia, Body Electronics, Remote Keyless Entry etc. ►Designed for automotive applications related to driving 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 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 comp ly with the applicable export control law s 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 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 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.) / Trans portation 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 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.