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参数资料
| 型号： | MB88R157A |
| 厂商： | FUJITSU LTD |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | 4.40 X 3.10 MM, 1.20 MM HEIGHT, 0.65 MM PITCH, PLASTIC, TSSOP-8 |
| 文件页数： | 23/28页 |
| 文件大小： | 1186K |
| 代理商： | MB88R157A |
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MB88R157A
4
DS04-29146-1E
■ HANDLING DEVICES
1.
Preventing Latch-up
A latch-up can occur if, on this device, (a) a voltage higher than power supply voltage or a voltage lower than
GND is applied to an input or output pin or (b) a voltage higher than the rating is applied between power supply
and GND. The latch-up, if it occurs, significantly increases the power supply current and may cause thermal
destruction of an element. When you use this device, be very careful not to exceed the maximum rating.
2.
Handling unused pins
Do not leave an unused input pin open, since it may cause a malfunction. Handle by, using a pull-up or pull-
down resistor.
3.
Notes for when the external clock is used
To use an external clock signal, input the clock signal to the XIN pin with the XOUT pin connected to nothing.
4.
Power supply pins
Please design connecting the power supply pin of this device by as low impedance as possible from the current
supply source.
We recommend connecting electrolytic capacitor (about 10
μF) and the ceramic capacitor (about 0.01 μF) in
parallel between power supply and GND near the device, as a bypass capacitor.
5.
Oscillation circuit
Noise near the XIN pin and XOUT pin may cause the device to malfunction. Design printed circuit boards so
that electric wiring of the XIN pin or the XOUT pin and the resonator do not intersect other wiring.
Design the printed circuit board that surrounds the XIN pin and XOUT pin with ground in order to stabilize
operation.
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