
3-WIRE REAL-TIME CLOCK
S-35192A
Rev.2.0_00
Seiko Instruments Inc.
6
DC Electrical Characteristics
Table 5
DC Characteristics (VDD = 3.0 V)
(Ta
= 40 to +85°C, V
SS = 0 V, VT-200 crystal oscillator (CL = 6 pF, 32.768 kHz, Cg = 9.1 pF) manufactured by Seiko Instruments Inc.)
Parameter
Symbol
Applicable Pin
Conditions
Min.
Typ.
Max.
Unit
Current consumption 1
IDD1
Out of communication
0.45
1.13
μA
Current consumption 2
IDD2
During communication
(
SCK = 100 kHz)
3.3
8
μA
Input current leakage 1
IIZH
SCK , SIO
VIN = VDD
0.5
0.5
μA
Input current leakage 2
IIZL
SCK , SIO
VIN = VSS
0.5
0.5
μA
Input current 1
IIH1
CS
VIN = VDD
2
6
16
μA
Input current 2
IIH2
CS
VIN = 0.4 V
40
100
300
μA
Input current 3
IIH3
CS
VIN = 1.0 V
215
μA
Output current leakage 1
IOZH
SIO, 32KO
VOUT = VDD
0.5
0.5
μA
Output current leakage 2
IOZL
SIO, 32KO
VOUT = VSS
0.5
0.5
μA
Input voltage 1
VIH
CS,
SCK , SIO
0.8
× V
DD
VSS + 5.5
V
Input voltage 2
VIL
CS,
SCK , SIO
VSS 0.3
0.2
× V
DD
V
Output current 1
IOL1
32KO
VOUT = 0.4 V
3
5
mA
Output current 2
IOL2
SIO
VOUT = 0.4 V
5
10
mA
Power supply voltage
detection voltage
VDET
0.65
1
1.35
V
Table 6
DC Characteristics (VDD = 5.0 V)
(Ta =
40 to +85°C, V
SS = 0 V, VT-200 crystal oscillator (CL = 6 pF, 32.768 kHz, Cg = 9.1 pF) manufactured by Seiko Instruments Inc.)
Parameter
Symbol
Applicable Pin
Conditions
Min.
Typ.
Max.
Unit
Current consumption 1
IDD1
Out of communication
0.6
1.4
μA
Current consumption 2
IDD2
During communication
(
SCK = 100 kHz)
6
14
μA
Input current leakage 1
IIZH
SCK , SIO
VIN = VDD
0.5
0.5
μA
Input current leakage 2
IIZL
SCK , SIO
VIN = VSS
0.5
0.5
μA
Input current 1
IIH1
CS
VIN = VDD
8
16
50
μA
Input current 2
IIH2
CS
VIN = 0.4 V
40
150
350
μA
Input current 3
IIH3
CS
VIN = 2.0V
610
μA
Output current leakage 1
IOZH
SIO, 32KO
VOUT = VDD
0.5
0.5
μA
Output current leakage 2
IOZL
SIO, 32KO
VOUT = VSS
0.5
0.5
μA
Input voltage 1
VIH
CS,
SCK , SIO
0.8
× V
DD
VSS + 5.5
V
Input voltage 2
VIL
CS,
SCK , SIO
VSS 0.3
0.2
× V
DD
V
Output current 1
IOL1
32KO
VOUT = 0.4 V
5
8
mA
Output current 2
IOL2
SIO
VOUT = 0.4 V
6
13
mA
Power supply voltage
detection voltage
VDET
0.65
1
1.35
V