R×5C348A/B
DC ELECTRICAL CHARACTERISTICS
Unless otherwise specified :Vss=0V,VDD=3V,Topt=–40 to +85˚C
Symbol
VIH
Item
Pin name
Conditions
MIN.
0.8VDD
–0.3
TYP.
MAX.
5.5
Unit
“H” Input Voltage
“L” Input Voltage
“H” Output Current
V
SCLK,CE, SI
VDD=2.5 to 5.5V
VIL
0.2VDD
–0.5
IOH
SO
VOH=VDD–0.5V
VOL=0.4V
IOL1
IOL2
INTR, 32KOUT(R
×
5C348A)
2
mA
“L” Output Current
SO,32KOUT(R×5C348B)
0.5
VI=5.5V or Vss
VDD=5.5V
IIL
RDNCE
IOZ1
Input Leakage Current SCLK, SI
Pull-down Resistance CE
–1
40
–1
–1
1
400
1
µA
120
kΩ
Vo=5.5V or Vss
VDD=5.5V
SO
Output Off-state
Leakage Current
µA
µA
IOZ2
32KOUT, INTR
VDD
VO=5.5V
1
VDD=3V,CE=OPEN
IDD
Output=OPEN
32KOUT=Off mode*1
0.35
0.55
0.8
1.0
(R
(R
×5C348A)
Standby Current
VDD=3V,CE=OPEN
IDD
VDD
Output=OPEN
×
5C348B)
32KOUT=On mode
Supply Voltage Monitoring
VDETH
VDETL
VDD
VDD
Topt=–30 to +70˚C
Topt=–30 to +70˚C
1.90
1.45
2.10
1.60
2.30
1.80
V
V
Voltage (“H”
)
Supply Voltage Monitoring
Voltage (“L”
)
CG
CD
Internal Oscillation Capacitance 1 OSCIN
Internal Oscillation Capacitance 2 OSCOUT
12
12
pF
1) For standby current for outputting 32.768-kHz clock pulses from the 32KOUT pin, see “USAGES, 7. Typical Characteristics”.
*
5
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
