|
S-35199A01 Datasheet, PDF (49/54 Pages) Seiko Instruments Inc – 3-WIRE REAL-TIME CLOCK | |||
|
◁ |
Rev.1.0_00
3-WIRE REAL-TIME CLOCK
S-35199A01
(7) Oscillation frequency vs. VDD characteristics
Ta = 25°C, CL = 6 pF, Cg = 5.1 pF (reference)
50
40
30
20
10
âf/f
[ppm]
0
â10
â20
â30
â40
â50
0123456
VDD [V]
(8) Oscillation frequency vs. Temperature
characteristics
CL = 6 pF, Cg = 5.1 pF (reference)
20
VDD = 5.0 V
0
â20
â40
âf/f
[ppm]
â60
â80
VDD = 3.0 V
â100
â120
â140
â40 â25
0 25 50
Ta [°C]
75 85
(9) Oscillation start time vs. Temperature characteristics (10) Output current characteristics 1(VOUT vs. IOL1)
(XOUT PIN MONITORED)
500
450
400
350
300
tSTA
[ms]
250
200
150
100
50
0
0
Ta = 25°C, CL = 6 pF
VDD = 5.0 V
VDD = 3.0 V
2
4
6
8 10
Cg [pF]
IOL1
[mA]
40
35
30
25
20
15
10
5
0
0
INT pin, F32K pin, Ta = 25°C
VDD = 5.0 V
VDD = 3.0 V
123456
VOUT [V]
(11) Output current characteristics 2 (VOUT vs. IOL2)
SIO pin ⢠FOUT pin, Ta = 25°C
70
(12) Output current characteristics 3(VDD vs. IOH)
FOUT pin, Ta = 25°C
0
60
50
IOL2 40
[mA] 30
VDD = 5.0 V
â0.5
â1.0
IOH â1.5
[mA] â2.0
VDD = 5.0 V
VDD = 3.0 V
20
VDD = 3.0 V
â2.5
10
â3.0
0
0123456
VOUT [V]
â3.5
0
0.1 0.2 0.3 0.4 0.5 0.6
VDDâVOUT [V]
Seiko Instruments Inc.
49
|
▷ |