RS5C348A RICOH Co.,Ltd., RS5C348A Datasheet - Page 4

• Manufacturer Part Number: RS5C348A
• Description: 4-wire Serial Interface Real-time Clock
• Manufacturer: RICOH Co.,Ltd.

Rx5C348A/B
Rev.2.01
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Symbol
VDD
VI
VO
PD
Topt
Tstg
Symbol
Vaccess
VCLK
fXT
VPUP
12345
Item
Supply Voltage 2
Input Voltage
Output Voltage 1
Output Voltage 2
Power Dissipation
Operating Temperature
Storage Temperature
Item
Supply Voltage
Time keeping Voltage
Oscillation Frequency
Pull-up Voltage
Pin Name
VDD
CE, SCLK, SI
SO
/INTR, 32KOUT
Topt = 25°C
Pin Name
Power supply voltage
for interfacing
with CPU
/INTR, 32KOUT
- 4 -
Min.
2.0
1.45
Description
-0.3 to +6.5
-0.3 to +6.5
-0.3 to VDD + 0.3
-0.3 to +6.5
300
-40 to +85
-55 to +125
(VSS=0V)
(VSS=0V, Topt=-40 to +85°C)
Typ.
32.768
Max.
5.5
5.50
5.5
Unit
V
V
V
V
mW
°C
°C
Unit
V
V
kHz
V