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.
VIH
“H” Input Voltage
0.8x
CE, SCLK, SI
VDD=2.0 to 5.5V
VDD
VIL
“L” Input Voltage
-0.3
IOH
IOL1
“H” Output
Current
“L” Output
Current
SO
/INTR,
32KOUT(Rx5C348A
)
SO,
32KOUT(Rx5C348B
)
SI, SCLK
CE
SO
/INTR, 32KOUT
VDD
VOH=VDD-0.5V
VOL=0.4V
2.0
mA
0.5
µA
kΩ
µA
-1
1
µA
Max.
5.5
0.2x
VDD
-0.5
Unit
V
mA
IOL2
IIL
RDNCE
IOZ1
IOZ2
IDD
(Rx5C34
8A)
Input Leakage
Current
Pull-down Resistance
Output Off-state
Current
Time Keeping Current
VI=5.5V or VSS
VDD=5.5V
VO=5.5V or VSS
VDD=5.5V
VO=5.5V
VDD=5.5V
VDD=3V,
CE= OPEN
Output = OPEN
32KOUT=OFF
*1)
VDD=3V,
CE= OPEN
Output = OPEN
32KOUT=ON
Topt=-30 to +70°C
Topt=-30 to +70°C
-1.0
40
-1
120
1.0
400
1
0.35
0.80
IDD
(Rx5C34
8B)
VDETH
VDETL
CG
Supply Voltage
Monitoring Voltage “H”
Supply Voltage
Monitoring Voltage “L”
Internal Oscillation
Capacitance 1
Internal Oscillation
Capacitance 2
VDD
0.55
1.00
VDD
VDD
OSCIN
1.90
1.45
2.10
1.60
12
2.30
V
1.80
pF
OSCOUT
12
CD
*1) For time keeping current when outputting 32.768kHz from the 32KOUT pin, see “P.40.
12345
Rev.2.01
-5-
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
