MSM6242B Datasheet, PDF (4/18 Pages) OKI electronic componets – DIRECT BUS CONNECTED CMOS REAL TIME CLOCK/CALENDAR

MSM6242B
OSCILLATOR FREQUENCY DEVIATIONS
¡ Semiconductor
0
-50
5V
2V
-100
-60 -40 -20 0
20 40 60 80
Ta (°C)
1
Ta = 25°C
0
-1
-2
-3
-4
0123456
V_DD (V)
Figure 2. Frequency Deviation (PPM) vs Temperature
Figure 3. Frequency Deviation (PPM) vs Voltage
Note: 1. The graghs above showing frequency deviation vs temperature/voltage are primarily characteristic of the
MSM6242B with the oscillation circuit described below.
XT
XT
CG
CD
VDD
Crystal: Type N0, P3 by kinseki (32.768 KHz)
CG, CD: 22pF (Temperature Characteristics: 0)
26