S-35399A02 Datasheet, PDF (7/55 Pages) Seiko Instruments Inc – 2-WIRE REAL-TIME CLOCK

Rev.1.0_00
2-WIRE REAL-TIME CLOCK
S-35399A02
„ DC Electrical Characteristics
Table 5 DC Characteristics (V_DD = 3.0 V)
(Ta = −40 to +85°C, V_SS = 0 V, SP-T2A 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
−
0.34
0.97
µA
Current
consumption 2
I_DD2
Out of communication
(when 32.768 kHz is
−
output from F32K pin
−
0.60
1.47
µA
or INT1 pin)
Current
consumption 3
I_DD3
−
During communication
(SCL = 100 kHz)
−
9
14
µA
Input current
leakage 1
I_IZH
SCL, SDA
V_IN = V_DD
−0.5
−
0.5
µA
Input current
leakage 2
I_IZL
SCL, SDA
V_IN = V_SS
−0.5
−
0.5
µA
Input current 1
I_IH1
Input current 2
I_IH2
Input current 3
I_IH3
CTRL
CTRL
CTRL
V_IN = V_DD
V_IN = 0.4 V
V_IN = 1.0 V
2
6
16
µA
40
100
300
µA
−
215
−
µA
Output current
leakage 1
I_OZH
SDA, INT1 ,
INT2 , F32K
V_OUT1 = V_DD
−0.5
−
0.5
µA
Output current
leakage 2
I_OZL
Input voltage 1 V_IH
Input voltage 2 V_IL
SDA, INT1 ,
INT2 , F32K
V_OUT1 = V_SS
SCL, SDA, CTRL
−
SCL, SDA, CTRL
−
−0.5
−
0.5
µA
0.8 × V_DD
−
V_SS + 5.5 V
V_SS − 0.3
−
0.2 × V_DD V
Output current 1 I_OL1
INT1 , INT2 ,
F32K
V_OUT1 = 0.4 V
3
5
−
mA
Output current 2
Output current 3
Power supply
voltage detection
voltage
I_OL2
I_OH
V_DET
SDA, FOUT
FOUT
−
V_OUT1 = V_OUT2 = 0.4 V
V_OUT2 = V_DD − 0.4 V
Ta = −40 to +85°C
5
−
0.65
10
−1.5
1
−
mA
−1
mA
1.35
V
Seiko Instruments Inc.
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