RV5C339A_03 Datasheet, PDF (5/46 Pages) RICOH electronics devices division – 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION

RV5C339A
DC ELECTRICAL CHARACTERISTICS
Unless otherwise specified : Vss=0V,VDD=3V,Topt=–40 to +85˚C
Symbol
Item
Pin name
Conditions
MIN. TYP. MAX. Unit
VIH1 “H” Input Voltage
SCLK,CE
0.8VDD
5.5
VIH2 “H” Input Voltage
SIO
VDD=2.0 to 5.5V
0.8VDD
VDD+0.3 V
VIL
“L” Input Voltage
SCLK,CE,SIO
–0.3
0.2VDD
IOH
“H” Output Current SIO
VOH=VDD–0.5V
–0.5 mA
32KOUT,
IOL1
VOL=0.4V
2
”L” Output Current INTRA, INTRB
mA
IOL2
SIO
VOL=0.4V
0.5
IIL
Input Leakage Current SCLK
VI=5.5V or Vss
–1
VDD=5.5V
1
µA
RDNCE Pull-down Resistance CE
40
120 400
kΩ
IOZ1
SIO
Output Off-state
Vo=5.5V or Vss
–1
VDD=5.5V
Leakage Current
32KOUT,
IOZ2
INTRA, INTRB
VO=5.5V
–1
1
µA
1
IDD1 Standby Current
VDD
VDD=3V,CE=OPEN
Output=OPEN
32KOUT=Off mode*¹
0.35 0.8
µA
VDETH
Supply Voltage Monitoring
VDD
Voltage (“H”)
Topt=–30 to +70˚C
1.90 2.10 2.30
V
VDETL
Supply Voltage Monitoring
VDD
Voltage (“L”)
Topt=–30 to +70˚C
1.45 1.60 1.80
V
CG
Internal Oscillation Capacitance 1 OSCIN
CD
Internal Oscillation Capacitance 2 OSCOUT
12
pF
12
*^{1) For standby current for outputting 32.768-kHz clock pulses from the 32KOUT pin, see “USAGES, 7. Typical Characteristics”.}
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