REAL TIME CLOCK MODULE AB-RTCMK-32.768kHz RoHS Moisture Sensitivity Level (MSL) 3.2 x 2.5 x 1.0 mm Pb Compliant APPLICATIONS: FEATURES: Smart cards Exceptional Frequency Stability over temperature 5.0 ppm max. Wireless sensors and tags over -40C to +85C Medical electronics Operating Voltage +1.30V to +5.50V Utility meters 4.0A max. current at no load Data loggers I2C Communication Appliances Clock function : Hour/ Min / Sec Handsets Leap year automatic distinction calendar function till 2099 Consumer electronics Alarm interruption function for day, date, hour and minute settings A constant cycle timer interruption function : 244.14us to 255 min Time update interruption function Min / Sec Clock output function 32.768kHz / 1024Hz / 32Hz / 1Hz STANDARD SPECIFICATIONS: Parameters Minimum Typical Maximum Units Notes Nominal Frequency (f0) 32.768 kHz Initial + 2 times Frequency Tolerance (df/f0) -3.0 +3.0 ppm reflow Ta=+25 2 C Frequency Stability vs Temp. (df/f0) -5.0 +5.0 ppm Ta=-40 to +85 C Ta=+25 C Frequency Stability vs Voltage (df/dV) -1.0 +1.0 ppm/V V =2.0 to 5.5V DD Frequency Aging Rate (dfag) -3.0 +3.0 ppm Ta=+25 C, first year Ta=+25 C 1.0 sec V =1.3V DD Start Up Time (Tst) Ta=-40 to +85 C 3.0 sec V =1.3 to 5.5V DD SCL=SDA=/INT=V DD Power Supply Current 1 (I ) 0.6 2.0 uA CLKOUT=V , SS DD1 V =3V DD SCL=SDA=/INT=V DD Power Supply Current 2 (I ) 1.5 4.0 uA CLKOUT=V , DD2 DD V =3V, CL =0pF DD OUT CLKOE,SCL,SDA Input Leak Current (I ) -0.5 +0.5 uA LK V =V or V IN DD SS CLKOUT,/INT,SDA Output Leak Current (I ) -0.5 +0.5 uA OZ V =V or V OUT DD SS CLKOE,SCL,SDA H Input Voltage (V ) 0.8 x V 5.5 V IH DD L Input Voltage (V ) 0.0 0.2 x V V CLKOE,SCL,SDA IL DD CLKOUT, V =3.0V, DD H Output Voltage (V ) 2.2 3.0 V OH I =-1mA OH CLKOUT, V =3.0V, DD V 0.0 0.8 V OL1 I =1mA OL /INT, V =3.0V, DD L Output Voltage V 0.0 0.4 V OL2 I =1mA OL SDA, V 2.0V, DD V 0.0 0.4 V OL3 I =3mA OL Low Voltage Detection 1.3 1.4 1.5 V Voltage (V ) DET For detail data sheet, please contact tech-support abracon.com Revised: 08.15.12 Visit www.abracon.com for Terms & Conditions of Sale ABRACON IS ABRACON IS 30332 Esperanza, Rancho Santa Margarita, California 92688 ISO 9001 / QS 9000 ISO 9001 : 2008 CECERRTIFIED TIFIED tel 949-546-8000 fax 949-546-8001 www.abracon.com REAL TIME CLOCK MODULE AB-RTCMK-32.768kHz RoHS 3.2 x 2.5 x 1.0 mm Pb Compliant AC ELECTRICAL CHARACTERISTICS Parameters Minimum Typical Maximum Units Notes SCL Clock Frequency (f ) 400 kHz SCL START Condition Setup Time (t ) 0.6 sec SU STA START Condition Hold Time (t ) 0.6 sec HD STA Data Input Setup Time (t ) 100 nsec SU DAT Data Input Hold Time (t ) 0 900 nsec HD DAT STOP Condition Setup Time (t ) 0.6 sec SU STO Bus Idle Time Between START and 1.3 sec STOP Condition (t ) BUF SCL Low Time (t ) 1.3 sec LOW SCL High Time (t ) 0.6 sec HIGH 20% to 80% SCL, SDA Rise Time (t ) 0.3 sec r SCL, SDA Fall Time (t ) 0.3 sec 80% to 20% f Allowable Spike Time on Bus (t ) 50 nsec SP TIMING CHART t t t 1 / f t SU:STA LOW HIGH SCL SU:STA SCL t BUF SDA t SP t t t t t HD:STA SU:DAT HD:DAT SU STO HD:STA PART IDENTIFCATION: AB - RTCMK - 32.768 kHz - Packaging Blank: Bulk T: 1000pcs/reel T3: 3000pcs/reel Revised: 08.15.12 Visit www.abracon.com for Terms & Conditions of Sale ABRACON IS ABRACON IS 30332 Esperanza, Rancho Santa Margarita, California 92688 ISO 9001 / QS 9000 ISO 9001 : 2008 CECERRTIFIED TIFIED tel 949-546-8000 fax 949-546-8001 www.abracon.com