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參數(shù)資料
| 型號(hào)： | RS5C314-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | REAL TIME CLOCK, PDSO8 |
| 封裝： | 0.65 MM PITCH, SSOP-8 |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大小： | 59K |
| 代理商： | RS5C314-E2 |
ULTRA-COMPACT
REAL-TIME CLOCK IC
RS5C314
EK-082-9908
1
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. 0.7A 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.
Time Keeping Supply Voltage: 1.6 to 6.0 V
Operating Supply Voltage: 2.7 to 6.0 V
Low Current Consumption: TYP. 0.7A (MAX. of 1.5A) at 3V
Connection to the CPU via only three pins: CE, SCLK, and SIO (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)
FEATURES
PIN CONFIGURATION
1
2
3
4
CE
SCLK
SIO
VSS
8
7
6
5
VDD
OSCIN
OSCOUT
INTR
8pin SSOP
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