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參數(shù)資料
| 型號： | RS5C338A |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| 封裝： | 6.40 X 3.50 MM, 1.25 MM HEIGHT, SSOP-10 |
| 文件頁數(shù)： | 42/52頁 |
| 文件大?。?/td> | 440K |
| 代理商： | RS5C338A |
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39
R
×
5C338A
6.2 Connection of INTR Pin
The INTR pin follows 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.
6.3 Connection of 32KOUT Pin
As the 32KOUT pin is CMOS output, the voltages of the R
×
5C338A and any devices to be connected should be the
same. When the device 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
).
System power supply
R
×
5C338A
A
B
OSCIN
OSCOUT
VDD
VSS
INTR
Backup power supply
32.768kHz
*
1
System power supply
OSCIN
OSCOUT
VDD
VSS
32KOUT
CLKC
Backup power supply
Voltage detector IC
R
×
5C338A
32.768kHz
System power supply
0 to 10k
OSCIN
OSCOUT
VDD
VSS
32KOUT
CLKC
Backup power
supply
R
×
5C338A
32.768kHz
Host
Approx.10k
*
1
*
1) Depending on whether the INTR pin is to be used during bat-
tery 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.
*
1) RN5VL
××
C by RICOH.
相關PDF資料 |
PDF描述 |
|---|---|
| RS5C348A-E2 | Real-Time Clock |
| RS5C348B-E2 | Real-Time Clock |
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| RT1710B7 | LVDS & LVPECL FPGA Terminator RoHS Compliant Parts Available |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| RS5C338A-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RS5C348A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE |
| RS5C348A-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Real-Time Clock |
| RS5C348B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE |
| RS5C348B-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Real-Time Clock |
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