20 eleCTRiCal ChaRaCTeRiSTiCS
S1C17153 TeChniCal Manual
Seiko epson Corporation
20-1
(Rev. 1.0)
Electrical Characteristics
20
absolute Maximum Ratings
20.1
(V
SS
= 0V)
item
Symbol
Condition
Rated value
unit
Power supply voltage
V
DD
-0.3 to 4.0
V
LCD power supply voltage
V
C3
-0.3 to 4.0
V
Input voltage
V
I
-0.3 to V
DD
+ 0.5
V
Output voltage
V
O
-0.3 to V
DD
+ 0.5
V
High level output current
I
OH
1 pin
-10
mA
Total of all pins
-20
mA
Low level output current
I
OL
1 pin
10
mA
Total of all pins
20
mA
Storage temperature
Tstg
-65 to 125
°C
Soldering temperature/time
Tsol
260
°
C, 10 seconds (lead section)
–
Recommended Operating Conditions
20.2
(V
SS
= 0V)
item
Symbol
Condition
Min.
Typ.
Max.
unit
Operating power supply voltage
V
DD
Normal operation mode
2.0
–
3.6
V
Operating frequency
f
OSC1A
Crystal oscillation
–
32.768
–
kHz
Operating temperature
Ta
-40
–
85
°C
Capacitor between V
SS
and V
D1
C
1
–
0.1
–
µF
Capacitor between V
SS
and V
C1
*
1
C
2
–
0.1
–
µF
Capacitor between V
SS
and V
C2
*
1
C
3
–
0.1
–
µF
Capacitor between V
SS
and V
C3
*
1
C
4
–
0.1
–
µF
Capacitor between CA and CB
*
1
C
5
–
0.1
–
µF
*
1 The capacitors are not required when LCD driver is not used. In this case, leave the V
C1
to V
C3
, CA, and CB pins open.
Current Consumption
20.3
Unless otherwise specified: V
DD
= 2.0 to 3.6V, V
SS
= 0V, Ta = 25
°
C, PCKEN[1:0] = 0x3 (ON), RDWAIT[1:0] = 0x0 (no wait),
CCLKGR[1:0] = 0x0 (gear ratio 1/1), RTCRUN = 0 (OFF), HVLD = 0, LCD = OFF
item
Symbol
Condition
Min.
Typ.
Max.
unit
Current consumption
in SLEEP mode
I
SLP
OSC1A = OFF, OSC3B = OFF
–
130
240
nA
OSC1A = 32kHz, OSC3B = OFF, RTCRUN = 1 (ON)
–
370
520
nA
Current consumption
in HALT mode
I
HALT1
OSC1A = 32kHz, OSC3B = OFF, PCKEN[1:0] = 0x0 (OFF)
–
0.42
0.62
µA
OSC1A = 32kHz, OSC3B = OFF, PCKEN[1:0] = 0x0 (OFF),
RTCRUN = 1 (ON)
–
0.42
0.62
µA
OSC1A = 32kHz, OSC3B = OFF
–
0.66
1.00
µA
I
HALT2
OSC1A = 32kHz, OSC3B = ON (500kHz)
–
68
105
µA
OSC1A = 32kHz, OSC3B = ON (1MHz)
–
82
130
µA
OSC1A = 32kHz, OSC3B = ON (2MHz)
–
110
160
µA
Current consumption
during execution
*
1
I
EXE1
OSC1A = 32kHz, OSC3B = OFF, CPU = OSC1A
–
4
7
µA
OSC1A = 32kHz, OSC3B = OFF, CPU = OSC1A,
CCLKGR[1:0] = 0x2 (gear ratio 1/4)
–
2
4
µA
I
EXE2
OSC1A = 32kHz, OSC3B = ON (500kHz), CPU = OSC3B
–
120
180
µA
OSC1A = 32kHz, OSC3B = ON (1MHz), CPU = OSC3B
–
160
270
µA
OSC1A = 32kHz, OSC3B = ON (2MHz), CPU = OSC3B
–
240
450
µA
OSC1A = 32kHz, OSC3B = ON (2MHz), CPU = OSC3B,
CCLKGR[1:0] = 0x2 (gear ratio 1/4)
–
180
280
µA
*
1 The values of current consumption during execution were measured when a test program consisting of 60.5% ALU instructions,
17% branch instructions, 12% memory read instructions, and 10.5% memory write instructions was executed continuously in the
ROM.