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EPSON Electronics |
IC-Bus Compatible Real Time Clock Module |
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Epson |
SERIAL-INTERFACE REAL TIME CLOCK MODULE fV Ta=25˚C, VDD=2.0 to 5.5V ±2 Oscillation start time tOSC Ta=25˚C, VDD=2.5V 3 ppm/V s Aging fa First year Ta=25˚C, VDD=5V ±5 ppm/year DC characteristics (VDD=5V±0.5V, Ta=-40 to 85˚C) Item Symbol Condition Min. Typ. Max. Unit “H” inp |
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Epson Company |
REAL TIME CLOCK MODULE .............................................................................................................................................. 1 n Pin connections ....................................................................................... |
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Epson |
SERIAL-INTERFACE REAL TIME CLOCK MODULE fV Ta=25˚C, VDD=2.0 to 5.5V ±2 Oscillation start time tOSC Ta=25˚C, VDD=2.5V 3 ppm/V s Aging fa First year Ta=25˚C, VDD=5V ±5 ppm/year DC characteristics (VDD=5V±0.5V, Ta=-40 to 85˚C) Item Symbol Condition Min. Typ. Max. Unit “H” inp |
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Epson Company |
4-bit REAL TIME CLOCK MODULE 2 3 4 5 6 7 8 9 RTC-62423 24 23 22 21 20 19 18 17 16 15 14 13 Operating range Item Operating voltage Operating temperature Data holding voltage CS1 data holding time Operation restoring time Symbol VDD TOPR VDH tCDR tR Refer to the data hold |
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Epson |
SERIAL-INTERFACE REAL TIME CLOCK MODULE ction •Detection that power supply voltage des cended to 1.7 V or les s . •Autom atic record to FDT-bit at the tim e of power supply decline detection. Pin Functionç ç ç ç Terminal connection / External dimensionsç (Unit:mm)ç Signal Name Input / |
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Epson Company |
(RTC-65xx) REAL TIME CLOCK MODULE |
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Epson Company |
SERIAL-INTERFACE REAL TIME CLOCK MODULE Diode temperature sensor (analog voltage output) ∗ temperature sensor operating voltage : 2.7 V to 5.5 V ∗ temperature sensor tolerance : ± 5 °C ( Ta = +25 °C ) ∗ voltage output (analog): −7.6 mV / °C Typ. • 32.768 kHz frequency output function • FO |
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Epson Company |
Real time clock module |
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Epson Company |
Real time clock module(4-bit REAL TIME CLOCK MODULE) a backup function. Actual size Specifications (characteristics) Absolute Max. rating Symbol Item VDD Power source voltage VI/O Input and output voltage Storage temperature TSTG Condition Ta=+25 °C Ta=+25 °C RTC-72421 RTC-72423 RTC-72421 Soldering c |
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Epson |
8-bit REAL TIME CLOCK MODULE Twice at under 260˚C within 10 sec. or under 230˚C within 3 min. Unit V ˚C Operating range Item Symbol Operating voltage VDD Operating temperature TOPR Data holding voltage VDH CS data holding time tCDR Operation restoring time tR Cond |
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Epson |
SERIAL-INTERFACE REAL TIME CLOCK MODULE ction •Detection that power supply voltage des cended to 1.7 V or les s . •Autom atic record to FDT-bit at the tim e of power supply decline detection. Pin Functionç ç ç ç Terminal connection / External dimensionsç (Unit:mm)ç Signal Name Input / |
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EPSON Electronics |
I2C-Bus Compatible Real Time Clock Module |
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Epson |
Serial Interface Real Time Clock Module ISTER ALARM REGISTER CONTROL REGISTER TIMER REGISTER • Timer function can be set upbetween 1/4096 second and 255 minutes. • It is recorded automatic to TF-bit at the time of event occurrence,and possible to output with /TIRQ pin output (open-drain ou |
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Epson Company |
Real time clock module(SERIAL-INTERFACE REAL TIME CLOCK MODULE) fo Top fV fa Condition Ta=25˚C, VDD=3V -10 to +70˚C Range 0±25 +10/-120 ±5 Unit ppm ppm/V ppm/year f-V characteristics Aging Ta=25˚C, VDD=2.0 to 5.5V First year Ta=25˚C, VDD=3V Electrical characteristics Item “H” input voltage “L” input voltage |
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Epson |
8-bit REAL TIME CLOCK MODULE Twice at under 260˚C within 10 sec. or under 230˚C within 3 min. Unit V ˚C Operating range Item Symbol Operating voltage VDD Operating temperature TOPR Data holding voltage VDH CS data holding time tCDR Operation restoring time tR Cond |
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Epson Company |
4-bit REAL TIME CLOCK MODULE 2 3 4 5 6 7 8 9 RTC-62423 24 23 22 21 20 19 18 17 16 15 14 13 Operating range Item Operating voltage Operating temperature Data holding voltage CS1 data holding time Operation restoring time Symbol VDD TOPR VDH tCDR tR Refer to the data hold |
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EPSON Electronics |
I2C-Bus Compatible Real Time Clock Module |
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EPSON |
I2C-Bus interface Real-Time-Clock module TIONS Mobile telephones Portable instruments Fax machines Battery powered products n Block Diagram CLKOUT / INT SCL SDA 32kHz CRYSTAL OSC Voltage Detector DIVIDER 2 I C-BUS INTERFACE POR CONTROL LOGIC ADDRESS REGISTER Control 1 00 Control 2 |
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Epson |
Real time clock |
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