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IN1307 Datasheet(PDF) 1 Page - IK Semicon Co., Ltd |
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IN1307 Datasheet(HTML) 1 Page - IK Semicon Co., Ltd |
1 / 38 page TECHNICAL DATA 2013, December, Ver.04 CMOS IC OF REAL TIME WATCH WITH SERIAL INTERFACE, 64 Х 8 RAM FUNCTIONS AND FEATURES Count of seconds, minutes, hours, week days, date, months and years with consideration of the leap years (before 2100); 56 bytes of the power self-sufficient RAM for the data storage; Two-wire consecutive interface; Programmable rectangular output signal; Automatic determination of the supply voltage drop and the switching diagram; Consumption of less than 500 nА in the back-up supply mode with the operating generator; Temperature range of the industrial application: -40С – 85С Accuracy is better than ±1 minute per month Ordering Information Device Operating Temperature Range Package Packing IN1307N TA = -40°C ~+85°C for all packages DIP-8 Tube IN1307DT SOP-8 Tape& Reel IN1307D SOP-8 Tube DESCRIPTION IN1307 is essentially the binary – decimal digital watch with a calendar, it has the additional 56 bytes of the power self-sufficient static RAM and possesses the low power consumption. The addresses and data are applied consecutively via the two-wire bi-directional bus. The microcircuit is intended for count of the real time in hours, minutes and seconds, count of week days, date, month and year. The last day of the month is automatically adjusted for the months of less, than 31 days, including correction for the leap year. The watches function in the 24-hour format or in the 12-hour format with the AM / PM-indicator. IN1307 has the built-in power supply control circuit, which determines the supply disruption and automatically switches over the device into the battery mode. PIN DISCRIPTION Pin Symbol I/O Pin Description 1 X1 In Pin for connection of the quartz resonator 2 X2 In Pin for connection of the quartz resonator 3 VBAT In Pin for battery 4 GND In Ground pin 5 SDA Bi Input / output of serial data 6 SCL In Input of the consecutive cycle signal 7 SQW/OUT Out Output of rectangular signal 8 VCC In Power supply pin IN1307 SOP-8 DIP-8 TA = -40 to+ 85C for all packages |
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