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RT5C348B Datasheet(PDF) 5 Page - RICOH electronics devices division |
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RT5C348B Datasheet(HTML) 5 Page - RICOH electronics devices division |
5 / 47 page Rx5C348A/B DC ELECTRICAL CHARACTERISTICS (Unless otherwise specified: VSS=0V, VDD=3.0V, Topt=-40 to +85°C, Crystal oscillator 32768Hz,CL=7pF,R1=30kΩ) Symbol Item Pin Name Conditions Min. Typ. Max. Unit VIH “H” Input Voltage 0.8x VDD 5.5 VIL “L” Input Voltage CE, SCLK, SI VDD=2.0 to 5.5V -0.3 0.2x VDD V IOH “H” Output Current SO VOH=VDD-0.5V -0.5 mA IOL1 /INTR, 32KOUT(Rx5C348A ) 2.0 IOL2 “L” Output Current SO, 32KOUT(Rx5C348B ) VOL=0.4V 0.5 mA IIL Input Leakage Current SI, SCLK VI=5.5V or VSS VDD=5.5V -1.0 1.0 µ A RDNCE Pull-down Resistance CE 40 120 400 kΩ IOZ1 SO VO=5.5V or VSS VDD=5.5V -1 1 IOZ2 Output Off-state Current /INTR, 32KOUT VO=5.5V VDD=5.5V -1 1 µ A IDD (Rx5C34 8A) VDD VDD=3V, CE= OPEN Output = OPEN 32KOUT=OFF *1) 0.35 0.80 IDD (Rx5C34 8B) Time Keeping Current VDD VDD=3V, CE= OPEN Output = OPEN 32KOUT=ON 0.55 1.00 µ A VDETH Supply Voltage Monitoring Voltage “H” VDD Topt=-30 to +70°C 1.90 2.10 2.30 VDETL Supply Voltage Monitoring Voltage “L” VDD Topt=-30 to +70°C 1.45 1.60 1.80 V CG Internal Oscillation Capacitance 1 OSCIN 12 CD Internal Oscillation Capacitance 2 OSCOUT 12 pF *1) For time keeping current when outputting 32.768kHz from the 32KOUT pin, see “P.40. Typical Characteristics”. 12345 - 5 - *RT5C348B (TSSOP10G) and RS5C348B (SSOP10) are the discontinued products. As of July in 2016. |
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