R
×
5C348A/B
DC ELECTRICAL CHARACTERISTICS
Unless otherwise specified : Vss=0V,V
DD
=3V,Topt=–40 to +85˚C
Symbol
Item
Pin name
Conditions
MIN.
TYP.
MAX.
Unit
V
IH
V
IL
I
OH
I
OL1
“H” Input Voltage
SCLK,CE, SI
“L” Input Voltage
“H” Output Current
“L” Output Current
SO
INTR, 32KOUT
(R
×
5C348A)
SO,32KOUT
(R
×
5C348B)
V
OL
=0.4V
V
OH
=V
DD
–0.5V
V
DD
=2.5 to 5.5V
0.8V
DD
–0.3
5.5
0.2V
DD
–0.5
V
2
0.5
V
I
=5.5V or Vss
V
DD
=5.5V
–1
40
Vo=5.5V or Vss
V
DD
=5.5V
V
O
=5.5V
V
DD
=3V,CE=OPEN
–1
–1
120
1
400
1
mA
I
OL2
I
IL
R
DNCE
I
OZ1
I
OZ2
I
DD
(R
×
5C348A)
Standby Current
Input Leakage Current SCLK, SI
Pull-down Resistance
Output Off-state
Leakage Current
32KOUT, INTR
CE
SO
µA
kΩ
µA
1
V
DD
Output=OPEN
32KOUT=Off mode
*
1
0.35
0.8
µA
V
DD
=3V,CE=OPEN
I
DD
(R
×
5C348B)
Supply Voltage Monitoring
Voltage (“H”)
Supply Voltage Monitoring
Voltage (“L”)
V
DD
Output=OPEN
32KOUT=On mode
V
DETH
V
DD
Topt=–30 to +70˚C
1.90
2.10
2.30
V
0.55
1.0
V
DETL
C
G
C
D
V
DD
Topt=–30 to +70˚C
1.45
1.60
12
1.80
V
Internal Oscillation Capacitance 1 OSCIN
Internal Oscillation Capacitance 2 OSCOUT
pF
12
*
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 ]
