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PDF RS5C314 Data sheet ( Hoja de datos )
| Número de pieza | RS5C314 | |
| Descripción | ULTRA-COMPACT REAL-TIME CLOCK IC | |
| Fabricantes | RICOH electronics devices division | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RS5C314 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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RS5C314
ULTRA-COMPACT
REAL-TIME CLOCK IC
EK-082-9908
OUTLINE
The RS5C314 is a CMOS type real-time clock which is connected to the CPU via three signal lines and capable of
serial transmission of clock and calendar data to the CPU. The RS5C314 can generate various interrupt clock pulses
lasting for long periods (one month). Driving an oscillation circuit at constant voltage, the circuit undergoes few
voltage fluctuations and consequently realizes low current consumption (TYP. 0.7µA at 3 V). It also provides an
oscillator halt sensing function for application to data validity at power-on and other occasions. Integrated into an
ultra-compact and ultra-thin 8pin SSOP (0.65mm pitch), the RS5C314 is the optimum choice for equipment requiring
small size and low power consumption.
There is RS5C313 reversing the logic of serial clock for series goods.
FEATURES
• Time Keeping Supply Voltage: 1.6 to 6.0 V • Operating Supply Voltage: 2.7 to 6.0 V
• Low Current Consumption: TYP. 0.7µA (MAX. of 1.5µA) at 3V
DataShee
• Connection to the CPU via only three pinsD:aCtaES, hSeCeLtK4,Ua.cnodmSIO (for addressing and data read and write opera-
tions)
• A clock counter (counting hours, minutes, and seconds) and a calendar counter (counting leap years, years,
months, days, and days of the week) in binary-coded decimal (BCD) code
• Generation of interrupt pulses to the CPU with cycles ranging from 1 month to 1/1024 Hz, interrupt flags, and
interrupt halt
• Software-based alarming through clock-interlocked interrupt operation
• Oscillator halt sensing to judge internal data validity
• Second digit adjustment by ±30 seconds • 12-hour or 24-hour time display selectable
• Automatic leap year recognition up to the year 2099 • CMOS logic • Package: 8pin SSOP (0.65mm pitch)
PIN CONFIGURATION
• 8pin SSOP
CE
SCLK
SIO
VSS
1
2
3
4
8 VDD
7 OSCIN
6 OSCOUT
5 INTR
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Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| RS5C313 | ULTRA-COMPACT REAL-TIME CLOCK IC | RICOH electronics devices division |
| RS5C314 | ULTRA-COMPACT REAL-TIME CLOCK IC | RICOH electronics devices division |
| RS5C316 | ULTRA-COMPACT SERIAL ALARM REAL-TIME CLOCK ICs | RICOH electronics devices division |
| RS5C316A | ULTRA-COMPACT SERIAL ALARM REAL-TIME CLOCK ICs | RICOH electronics devices division |
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