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 (Max. adjustment: 192  10-6) 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 DI VID ER DRiEgGitaISl TTrEimRm ing VTEMP TempSeernastuorre CLaOnCd K CALENDAR FFOCOUNT FOUT TRIEMGEIRS TER CONTROLLER ALARM / IRQ ICNOTNETRRROULPLTESR REGISTER A0  A3 CONTROL D0  D3 REGISTER / WR BUS and / RD ICNITRECRUFITA CE SCYOSNTTERMO LLER / CS0 CS1 External dimensions/Terminal connection (Unit:mm) RTC-7301SF (SSOP 24-pin) No. Pin No. Pin 10.2  0.3 terminal terminal #24 #13 12 /FCCSO0N 2243 V(VDDDD ) 3 FOUT 22 (VDD) RE 7132031 4 A 5.4 7.8 0.3  45678 V(/AAIVRT01D EQDM )P 2211110987 (((CDVVVS0DDD 1DDD ))) 9 A2 16 D1 #1 #12 10 A3 15 D2 11 /RD 14 D3 12 GND 13 /WR 2.0 Max. 0.15 0 Min. 0.5 0 - 10 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 Current consumption /CS0,/RD,/WR=VDD OOuuInttpppuuuttt vvvooollltttaaagggeee(( 12)) VVVOOUUINTT 12 FOUITnD,pD0/u 0ItRto Dt QeD3r, 3Vmp piTniniEn MasPl , pin GND-0.3 VVDD+DD8++.000.. 33 V (WVFhTOEeUMnTP ==nOOonuu-ttappcuuctt eOOsFFsFeFd ) IIDDDD12 VADFT00OE UAMDTP33==,,CH/HIRSii z1Qz=((O=GOHFNFiF FDz)) VVDDDD==53 VV -- 10..06 21..00 A Storage temperature TSTG Stored as bare product. -55 +125 C ■ ■ 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 PColowcekr vvoollttaaggee VVCDLDK -- 21..46 5.5 V oTuetmpupte vroalttuargee VTEMP Ta=+V2T5E MPC p,GinNs,DV DbDa=s2e.d7 oVu ttop u5t. 5vo Vlt age - 1.470 - V Operating temperature TOPR No condensation -40 +85 C Output precision TACR Ta=+25 °C,VDD=2.7 V to 5.5 V - - 5.0 C ■Frequency characteristics Tesmenpseirtiavtiutyr e VSE -40 CTa+85 C,VDD=2.7 V to 5.5 V -7.3 -7.8 -8.3 mV/ C Item Symbol Conditions Range Unit Linearity NL -40 CTa+85 C,VDD=2.7 V to 5.5 V - - 2.0 % Fprreeqcuiseinocny f /f Ta=+25 C,VDD=3.0 V B:523 (*1) 10-6 deTteemctpioenra rtaunreg e TSOP NL ±2.0 %,VDD=2.7 V to 5.5 V -40 - +85 C SFOtarserctq iululpae tntiiocmnye tSTA Ta=+25 C,VDD=2.4 V 3.0 Max. s Output resistance R0 Ta=2G5N DC ,sVtaTnEMdPa prdin asn,VdD VD=DD2 .s7ta Vn dtoa r5d. 5 V - 1.0 3.0 k ctheamrapcetreartisutriec s TOP TVa=DD-1=03 .0C V t o,+ +2750  CC +10 / -120 10-6 CL VDD=2.7 V to 5.5 V - - 100 pF Load condition voltagFer cehqaureancctey ristics f/V VDD=T1a=.6+ 2V5 t oC 5,. 5 V 2.0 Max. 10-6/V RL VDD=2.7 V to 5.5 V 500 - - k (*1) PleaAseg iansgk tighter tolerafan ce VDD=T3a.=0+ V2 5F irCst, year 5.0 Max. 10-6/year Response time tRSP CL=50 pF, RL=5V0D0D =k3.,3 M Va x. 1 °C - - 200 s

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