MSM6242B 查看數據表（PDF） - Oki Electric Industry

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MSM6242B

DIRECT BUS CONNECTED CMOS REAL TIME CLOCK/CALENDAR

Oki Electric Industry 

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

VDD (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

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