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參數(shù)資料
| 型號(hào)： | RV5C386A-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| 封裝： | 4 X 2.90 MM, 1.20 MM HEIGHT, SSOP-10 |
| 文件頁數(shù)： | 36/42頁 |
| 文件大?。?/td> | 362K |
| 代理商： | RV5C386A-E2 |
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RV5C386A PRELIMINARY
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- 36 -
14.6.2.
Connection of /INTRA and /INTRB Pin
The /INTRA and /INTRB pins follow the N-channel open drain output logic and contains no protective diode
on the power supply side. As such, it can be connected to a pull-up resistor of up to 5.5 volts regardless of
supply voltage.
VDD
OSCIN
OSCOUT
/INTRA or /INTRB
*1)
32768Hz
B
A
Backup power supply
System power supply
VSS
14.6.3.
Connection of 32KOUT Pin
As the 32KOUT pin is CMOS output, the power supply voltage of the RV5C386A and any devices to be
connected to the 32KOUT should be same. When the devices is powered down, the 32KOUT output should
be disabled.
When the CLKC pin is connected to the system power supply through the pull-up resistor, the pull-up resistor
should be 0
to 10k
, and the 32KOUT pin should be connect to the host through the resistor (approx.
10k
).
VDD
OSCIN
OSCOUT
CLKC
VSS
32768Hz
System power supply
32KOUT
RN5VL
XXC
Back-up power supply
VDD
OSCIN
OSCOUT
Host
VSS
32768Hz
Back-up power supply
System power supply
Approx. 10K
32KOUT
0 to10K
CLKC
*1) Depending on whether the /INTRA and /INTRB
pins are to be used during battery backup, it should
be connected to a pull-up resistor at the following
different positions:
(1) Position A in the left diagram when it is not to be
used during battery backup.
(2) Position B in the left diagram when it is to be used
during battery backup.
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相關(guān)代理商/技術(shù)參數(shù) |
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| RV5C387A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
| RV5C387A_03 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION |
| RV5C387AE2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| RV5C387A-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
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