RV5C339A_03 Datasheet, PDF (42/46 Pages) RICOH electronics devices division – 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION

RV5C339A
7.5 Oscillation Frequency Deviation vs. External CG 7.6 Oscillation Frequency Deviation vs. Supply Voltage
10
5
0
–5
–10
–15
–20
–25
–30
–35
–40
0
(VDD=3V, Topt=25˚C,
External CG=0pF as standard)
5
10
15
20
External CG(pF)
(Topt=25˚C, VDD=3V as standard)
5
4
3
2
1
0
–1
–2
–3
–4
–5
0123456
Supply Voltage VDD(V)
7.7 Oscillation Frequency Deviation vs.
Operating Temperature
(VDD=3V, Topt=25˚C as standard)
20
0
–20
–40
–60
–80
–100
–120
–140
–60 –40 –20 0 20 40 60 80 100
Operating Temperature Topt(˚C)
7.9 VOL vs. IOL (INTRA, INTRB, 32KOUT Pin)
30
25
20
15
10
5
0
0
(Topt=25˚C)
VDD=5V
VDD=3V
0.2 0.4 0.6 0.8 1.0
VOL (V)
7.8 Oscillation Start Time vs. Supply Voltage
(Topt=25˚C)
500
400
300
200
100
0
0123456
Supply Voltage VDD(V)
42