S-35399A02 Datasheet, PDF (51/55 Pages) Seiko Instruments Inc – 2-WIRE REAL-TIME CLOCK

Rev.1.0_00
2-WIRE REAL-TIME CLOCK
S-35399A02
(13) Input current characteristics (V_IN vs. I_IH)
CTRL pin, Ta = 25°C
700
VDD = 5.0 V
600
500
IIH ⁴⁰⁰
[µA] ₃₀₀
200
VDD = 3.0 V
100
0
0123456
VIN [V]
(14) Low power supply voltage detection voltage and
release voltage, time keeping power supply
voltage (Min) vs. Temperature characteristics
C_L =6 pF, C_g = 5.1 pF
1.4
Release voltage
1.2
1.0
VDD ^0.8
[V] _0.6
Detection voltage
VDDT (Min)
0.4
0.2
0
−40 −25
0 25 50
Ta [°C]
75 85
Seiko Instruments Inc.
51