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
VIH
Item
“H” Input Voltage
Pin Name
CE, SCLK, SI
Conditions
VDD=2.0 to 5.5V
Min.
0.8x
VDD
-0.3
Typ.
Max. Unit
5.5
V
0.2x
VDD
VIL
“L” Input Voltage
IOH
IOL1
“H” Output
Current
“L” Output
Current
SO
VOH=VDD-0.5V
VOL=0.4V
-0.5
mA
mA
/INTR,
32KOUT(Rx5C348A
)
2.0
0.5
-1.0
IOL2
IIL
SO,
32KOUT(Rx5C348B
)
SI, SCLK
Input Leakage
Current
Pull-down Resistance
VI=5.5V or VSS
VDD=5.5V
1.0
µA
kΩ
µA
RDNCE
IOZ1
CE
SO
40
-1
120
400
1
VO=5.5V or VSS
VDD=5.5V
VO=5.5V
VDD=5.5V
VDD=3V,
Output Off-state
Current
IOZ2
/INTR, 32KOUT
VDD
-1
1
IDD
Time Keeping Current
(Rx5C34
8A)
CE= OPEN
Output = OPEN
32KOUT=OFF
*1)
0.35
0.55
0.80
µA
IDD
VDD
VDD=3V,
1.00
(Rx5C34
8B)
CE= OPEN
Output = OPEN
32KOUT=ON
VDETH
VDETL
CG
Supply Voltage
Monitoring Voltage “H”
Supply Voltage
Monitoring Voltage “L”
Internal Oscillation
Capacitance 1
VDD
1.90
1.45
2.10
1.60
12
2.30
1.80
Topt=-30 to +70°C
V
VDD
Topt=-30 to +70°C
OSCIN
pF
CD
Internal Oscillation
Capacitance 2
OSCOUT
12
*1) For time keeping current when outputting 32.768kHz from the 32KOUT pin, see “P.40. ꢀTypical
Characteristics”.
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Rev.2.01
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RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
