31 ELECTRICAL CHARACTERISTICS
S1C33L26 TECHNICAL MANUAL
Seiko Epson Corporation
31-1
Electrical Characteristics
31
Absolute Maximum Rating
31.1
(V
SS
= 0V)
Item
Symbol
Condition
Rated value
Unit
Internal logic and 1.8 V system I/O power
supply voltage
*
1
LV
DD
–
V
SS
- 0.3 to 2.5
V
RTC power supply voltage
*
1
RTCV
DD
–
V
SS
- 0.3 to 2.5
V
PLL power supply voltage
*
1
PLLV
DD
–
V
SS
- 0.3 to 2.5
V
3.3 V system I/O power supply voltage
*
1 HV
DD
–
V
SS
- 0.3 to 4.0
V
ADC power supply voltage
*
1
AV
DD
–
V
SS
- 0.3 to 4.0
V
3.3 V system input voltage
HV
I
–
V
SS
- 0.3 to HV
DD
+ 0.5
V
1.8 V system input voltage
LV
I
–
V
SS
- 0.3 to LV
DD
+ 0.5
V
Analog input voltage
AV
I
–
V
SS
- 0.3 to AV
DD
+ 0.5
V
3.3 V system output voltage
HV
O
–
V
SS
- 0.3 to HV
DD
+ 0.5
V
1.8 V system output voltage
LV
O
–
V
SS
- 0.3 to LV
DD
+ 0.5
V
High level output current
I
OH
1 pin
-10
mA
Total of all pins
-40
mA
Low level output current
I
OL
1 pin
10
mA
Total of all pins
40
mA
Storage temperature
Tstg
–
-65 to 150
°C
*
1) HV
DD
/AV
DD
≥
LV
DD
/RTCV
DD
/PLLV
DD
LV
DD
= RTCV
DD
= PLLV
DD
*
2) The maximum input voltage range of the #STBY pin is V
SS
- 0.3 V to 4.0 V.
Recommended Operating Conditions
31.2
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Power supply voltage (High)
*
1
HV
DD
AV
DD
When USB is not used
2.70
3.30
3.60
V
When USB is used
3.00
3.30
3.60
V
Power supply voltage (Low)
*
1
LV
DD
RTCV
DD
PLLV
DD
Crystal oscillator
or external clock input
1.65
1.80
1.95
V
Ceramic oscillator
1.70
1.80
1.90
V
Input voltage
HV
I
–
-0.3
–
HV
DD
+ 0.3
V
LV
I
–
-0.3
–
LV
DD
+ 0.3
V
AV
I
–
-0.3
–
AV
DD
+ 0.3
V
Ambient temperature
Ta
Crystal oscillator
or external clock input
-40
25
85
°C
Ceramic oscillator
0
25
70
°C
CPU operating frequency
f
CPU
–
–
–
60
MHz
Bus operating frequency
f
BUS
–
–
–
60
MHz
MCLKI oscillation frequency
f
OSC3
–
–
–
48
MHz
RTCCLKI oscillation frequency
f
OSC1
–
–
32.768
–
kHz
Input rise time (normal input)
t
ri1
–
–
–
50
ns
Input fall time (normal input)
t
fi1
–
–
–
50
ns
Input rise time (Schmitt input)
t
ri2
–
–
–
5
ms
Input fall time (Schmitt input)
t
fi2
–
–
–
5
ms
*
1) HV
DD
/AV
DD
≥
LV
DD
/RTCV
DD
/PLLV
DD
LV
DD
= RTCV
DD
= PLLV
DD
*
2) The recommended input voltage range of the #STBY pin is V
SS
- 0.3 V to 3.6 V.