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78F1145A Datasheet

Part Number 78F1145A
Manufacturers Renesas
Logo Renesas
Description 16-bit Single-Chip Microcontrollers
Datasheet 78F1145A Datasheet78F1145A Datasheet (PDF)

User’s Manual 78K0R/KE3 16-bit Single-Chip Microcontrollers μPD78F1142, 78F1142A, 78F1142A(A) μPD78F1143, 78F1143A, 78F1143A(A) μPD78F1144, 78F1144A, 78F1144A(A) μPD78F1145, 78F1145A, 78F1145A(A) μPD78F1146, 78F1146A, 78F1146A(A) Document No. U17854EJ9V0UD00 (9th edition) Date Published September 2009 NS Printed in Japan 2006 [MEMO] 2 User’s Manual U17854EJ9V0UD NOTES FOR CMOS DEVICES 1 VOLTAGE APPLICATION WAVEFORM AT INPUT PIN Waveform distortion due to input noise or a reflected wave may .

  78F1145A   78F1145A






Part Number 78F1145
Manufacturers Renesas
Logo Renesas
Description 16-bit Single-Chip Microcontrollers
Datasheet 78F1145A Datasheet78F1145 Datasheet (PDF)

User’s Manual 78K0R/KE3 16-bit Single-Chip Microcontrollers μPD78F1142, 78F1142A, 78F1142A(A) μPD78F1143, 78F1143A, 78F1143A(A) μPD78F1144, 78F1144A, 78F1144A(A) μPD78F1145, 78F1145A, 78F1145A(A) μPD78F1146, 78F1146A, 78F1146A(A) Document No. U17854EJ9V0UD00 (9th edition) Date Published September 2009 NS Printed in Japan 2006 [MEMO] 2 User’s Manual U17854EJ9V0UD NOTES FOR CMOS DEVICES 1 VOLTAGE APPLICATION WAVEFORM AT INPUT PIN Waveform distortion due to input noise or a reflected wave may .

  78F1145A   78F1145A







16-bit Single-Chip Microcontrollers

User’s Manual 78K0R/KE3 16-bit Single-Chip Microcontrollers μPD78F1142, 78F1142A, 78F1142A(A) μPD78F1143, 78F1143A, 78F1143A(A) μPD78F1144, 78F1144A, 78F1144A(A) μPD78F1145, 78F1145A, 78F1145A(A) μPD78F1146, 78F1146A, 78F1146A(A) Document No. U17854EJ9V0UD00 (9th edition) Date Published September 2009 NS Printed in Japan 2006 [MEMO] 2 User’s Manual U17854EJ9V0UD 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. If an input pin is unconnected, it is possible that an internal input level may be generated due to noise, etc., causing malfunction. CMOS devices behave differently than Bipolar or NMOS devices. Input levels of CMOS devices must be fixed high or low by using pull-up or pull-down circuitry. Each unused pin should be connected to VDD or GND via a resistor if there is a possibility that it will be an output pin. All handling related to unused pins must be judged separately for each device and according to related specifications governing the device..


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