2-WIRE REAL-TIME CLOCK
S-35390A
DC Electrical Characteristics
Rev.2.4
_00
Table 5 DC Characteristics (V
DD
=
3.0 V)
(Ta
= −40
to
+85°C,
V
SS
= 0 V,VT-200 crystal oscillator (C
L
= 6 pF, 32.768 kHz, C
g
= 9.1 pF) manufactured by Seiko Instruments Inc.)
Parameter
Symbol Applicable Pin
Conditions
Min.
Typ.
Max.
Unit
Current consumption 1
I
DD1
−
Out of communication
−
0.25
0.93
µ
A
During communication
Current consumption 2
I
DD2
−
−
6
14
µ
A
(SCL = 100 kHz)
Input current leakage 1 I
IZH
SCL, SDA
V
IN
= V
DD
−
0.5
−
0.5
µ
A
Input current leakage 2 I
IZL
SCL, SDA
V
IN
= V
SS
−
0.5
−
0.5
µ
A
Output current leakage 1 I
OZH
SDA,
INT1
,
INT2
V
OUT
= V
DD
−
0.5
−
0.5
0.5
V
SS
+ 5.5
0.2
×
V
DD
−
−
µ
A
Output current leakage 2 I
OZL
Input voltage 1
Input voltage 2
Output current 1
V
IH
V
IL
I
OL1
SDA,
INT 1
,
INT2
SCL, SDA
SCL, SDA
V
OUT
= V
SS
−
−
−
0.5
−
−
−
µ
A
0.8
×
V
DD
V
SS
−
0.3
V
V
INT1
,
INT2
SDA
−
V
OUT
= 0.4 V
V
OUT
= 0.4 V
−
3
5
0.65
5
10
1
mA
mA
V
Output current 2
Power supply voltage
detection voltage
I
OL2
V
DET
1.35
Table 6 DC Characteristics (V
DD
=
5.0 V)
(Ta
= −40
to
+85°C,
V
SS
= 0 V, VT-200 crystal oscillator (C
L
= 6 pF, 32.768 kHz, C
g
= 9.1 pF) manufactured by Seiko Instruments Inc.)
Parameter
Symbol Applicable Pin
Conditions
Min.
Typ.
Max.
Unit
Current consumption 1
I
DD1
−
Out of communication
−
0.3
1.1
µ
A
During communication
Current consumption 2
I
DD2
−
−
14
30
µ
A
(SCL = 100 kHz)
Input current leakage 1 I
IZH
SCL, SDA
V
IN
= V
DD
−
0.5
−
0.5
µ
A
Input current leakage 2 I
IZL
SCL, SDA
V
IN
= V
SS
−
0.5
−
0.5
µ
A
Output current leakage 1 I
OZH
SDA,
INT 1 ,
INT2
V
OUT
= V
DD
−
0.5
−
0.5
µ
A
Output current leakage 2 I
OZL
Input voltage 1
Input voltage 2
Output current 1
V
IH
V
IL
I
OL1
SDA,
INT1
,
INT2
SCL, SDA
SCL, SDA
V
OUT
= V
SS
−
−
−
0.5
−
−
−
0.5
V
SS
+ 5.5
0.2
×
V
DD
−
−
µ
A
0.8
×
V
DD
V
SS
−
0.3
V
V
INT 1 ,
INT2
SDA
−
V
OUT
= 0.4 V
V
OUT
= 0.4 V
−
5
6
0.65
8
13
1
mA
mA
V
Output current 2
Power supply voltage
detection voltage
I
OL2
V
DET
1.35
6
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
