PDF NJU6356 Data sheet ( Hoja de datos )

Número de pieza	NJU6356
Descripción	SERIAL I/O REAL TIME CLOCK
Fabricantes	New Japan Radio
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No Preview Available ! NJU6356 SERIAL I/O REAL TIME CLOCK sGENERAL DESCRIPTION The NJU6356 series is a serial I/O real time clock suitable for 4 bits microprocessor. It contains quartz crystal oscillator, counter, shift register, voltage regulator, voltage detector and interface controller. The NJU6356 series required only 4-port of microprocessor for data transfer, and the microprocessor can receive the data at any time when the microprocessor requires. The operating voltage is as wide as 2.0V to 5.5V, consequently, the NJU6356 series can count accurate time data even if the back up period. www.DataSheeFt4uUrt.hcoemrmore, the long time back up is available as the operating current during the back up period is less than 3uA(TYP). sPACKAGE OUTLINE NJU6356ED NJU6356EM sFEATURES qLow Operating Voltage 2.0 to 3.6V qLow Operating Current 3.0uA (TYP) @2.0V 3.0uA (TYP) @3.0V 4.0uA (TYP) @5.0V qBCD Counts of Seconds, Minutes, Hours, Days of Week Day, Month and Year qRequired only 4-port DATA, CLK, CE and I/O qLow Battery Detector Low Voltage Alarm Signal Output qAutomatic Leap Year Compensation Up to AD 2099 qPackage Outline DIP8 / DMP8 qC-MOS Technology sPIN CONFIGURATION I/O XT XT VSS VDD DATA CLK CE sLINE-UP TABLE Type No. Output Data Oscillation Capacitor NJU6356 E Seconds, Minutes, Hours, Days of Week, Day, Month, Year Cd=21pF / Cg=21pF on Chip sBLOCK DIAGRAM XT Oscillator XT Divider Sec. Min. Timer Counter Hr. Days of W eek Day Month Year Sec. Min. Hr. Days of W eek Day Shift Register Month Year DATA VSS VDD Controller & Voltage Detector Clock Counter I/O CLK CE -1- 1 page NJU6356 sABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL VDD VIN PD Topr Tstg RATING -0.3 to +6.0 VSS-0.3 to VDD+0.3 250(DIP8) 200(DMP8) -30 to +80 -55 to +150 (Ta=25°C) UNIT V V mW °C °C sELECTRICAL CHARACTERISTICS www.DataSheDetC4UC.chomaracteristics PARAMETER Operating Current Low Battery Detect Voltage SYMBOL CONDITIONS IDD XT=32.768kHz, CE=0V VDET PARAMETER Operating Voltage Operating Current 3-st. Leakage Current Input Leakage Current Input Current Input Voltage Output Voltage SYMBOL CONDITIONS VDD IDD XT=32.768kHz, CE=0V ITSL DATA (CE=0V) IIL I/O, CLK ICE CE (CE=VDD) VIH I/O, CE, CLK, DATA VIL I/O, CE, CLK, DATA VOH DATA (IOH=-0.4mA) VOL DATA (IOL=1.0mA) AC Characteristics PARAMETER SYMBOL CLK Pulse "H" Period tCWH CLK Pulse "L” Period CE Set-up Time Before CLK Rising tCWL tCS CE Hold Time After CLK Falling I/O Set-up Time Before CLK Rising tCH tDS I/O Hold Time After CLK Falling Write Down Data Set-Up Time Write Down Data Hold Time Data Delay Time After CLK Falling tDH tWDS tWDH tRDD Rise/Fall Time tRF CONDITIONS (VDD=2.0V, Ta=25°C) MIN TYP MAX UNIT 3.0 4.0 uA 1.1 1.7 V MIN 4.5 -2.0 -1.0 0.8VDD VSS 4.1 (VDD=5.0V±10%, Ta=25°C) TYP MAX UNIT 5.5 V 4 15 uA 2.0 uA 1.0 uA 20 uA VDD 0.2VDD V 0.4 V (VDD=5.0V±10%, Ta=25°C, CL=50pF) MIN TYP MAX UNIT 0.47 5000 us 0.47 5000 us 470 ns 20 ns 60 ns 20 ns 100 ns 20 ns 200 ns 50 ns -5- 5 Page

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