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Preliminary User’s Manual
μPD79F9211
16-bit Single-Chip Microcontrollers
Date Published February 2008 NS CP(K)
Printed in Japan
2008
[MEMO] 2 Preliminary User’s Manual
NOTES FOR CMOS DEVICES
1 VOLTAGE APPLICATION WAVEFORM AT INPUT PIN Waveform distortion due to input noise or a reflected wave may cause malfunction. If the input of the CMOS device stays in the area between VIL (MAX) and VIH (MIN) due to noise, etc., the device may malfunction. Take care to prevent chattering noise from entering the device when the input level is fixed, and also in the transition period when the input level passes through the area between VIL (MAX) and VIH (MIN).
2 HANDLING OF UNUSED INPUT PINS Unconnected CMOS device inputs can be cause of malfunction.
D79F9211 Datasheet
