參數(shù)資料
型號(hào)： RV5C338A
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： REAL TIME CLOCK, PDSO10
封裝： 4 X 2.90 MM, 1.20 MM HEIGHT, SSOP-10
文件頁(yè)數(shù)： 6/52頁(yè)
文件大?。?/td> 440K
代理商： RV5C338A
3
R
×
5C338A
PIN DESCRIPTIONS
Pin No.
Symbol
Name
Description
4
CE
Chip Enable Input
The CE pin is used for interfacing with the CPU. Should be held high to allow
access to the CPU. Incorporates a pull-down resistor. Should be held low or open
when the CPU is powered off. Allows a maximum input voltage of 5.5 volts regard-
less of supply voltage.
2
SCLK
Serial Clock Input
The SCLK pin is used to input clock pulses synchronizing the input and output of
data to and from the SIO pin. Allows a maximum input voltage of 5.5 volts regard-
less of supply voltage.
3
SIO
Serial Input/Output
The SIO pin is used to input and output data intended for writing and reading in
synchronization with the SCLK pin. CMOS input/output.
6
INTR
Interrupt Output
The INTR pin is used to output periodic interrupt signals to the CPU and alarm
interrupt signals (Alarm_W, Alarm_D). Disabled at power-on from 0 volts.
Nch. open drain output.
1
32KOUT
32-kHz Clock Output
The 32KOUT pin is used to output 32.768-kHz clock pulses. Enabled at power-on
from 0 volts. CMOS output. This pin is disabled if the CLKC pin is set to low or
open.
7
CLKC
Clock Control Input
The CLCK pin is used to control output of the 32KOUT pin. The clock output is
disabled and held low when the pin is set to low or open. Incorporates a pull-down
resistor.
The OSCIN and OSCOUT pins are used to connect the 32.768-kHz crystal oscilla-
tor (with all other oscillation circuit components built into the R
×
5C338A.)
The VDD pin is connected to the power supply. The VSS pin is grounded.
9
8
OSCIN
OSCOUT
Oscillation Circuit
Input/Output
10
5
VDD
VSS
Positive Power Supply Input
Negative Power Supply Input
相關(guān)PDF資料
PDF描述
RV5C338A-E2 DIODE ZENER SINGLE 200mW 8.2Vz 20mA-Izt 0.02549 0.1uA-Ir 6.5 SOD-323 3K/REEL
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RV5C387A-E2 I2C-bus Real-Time Clock ICs with Voltage Monitoring Function
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RV5C338A-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
RV5C339 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
RV5C339A 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
RV5C339A_03 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION
RV5C339A-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
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