UPD75P068GB-3B4 查看數據表（PDF） - NEC => Renesas Technology

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UPD75P068GB-3B4

4 BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75P068

CONTENTS

1. PIN FUNCTIONS ........................................................................................................................ 5

1.1 PORT PINS .......................................................................................................................................... 5

1.2 NON-PORT PINS ................................................................................................................................ 6

1.3 PIN INPUT/OUTPUT CIRCUITS ........................................................................................................ 7

2. DIFFERENCE BETWEEN THE µPD75P068 AND µPD75068 ................................................... 9

3. WRITING TO AND VERIFYING PROM (PROGRAM MEMORY) ............................................ 10

3.1 OPERATING MODES WHEN WRITING TO AND VERIFYING THE PROGRAM MEMORY ......... 10

3.2 WRITING TO THE PROGRAM MEMORY ......................................................................................... 11

3.3 READING THE PROGRAM MEMORY .............................................................................................. 12

5 4. SCREENING ONE-TIME PROM PRODUCTS ........................................................................... 13

5. ELECTRICAL CHARACTERISTICS ............................................................................................. 14

5 6. CHARACTERISTIC CURVES (FOR REFERENCE) ..................................................................... 27

7. PACKAGE DRAWINGS .............................................................................................................. 33

5 8. RECOMMENDED SOLDERING CONDITIONS ....................................................................... 35

APPENDIX A DEVELOPMENT TOOLS.......................................................................................... 36

APPENDIX B RELATED DOCUMENTS .......................................................................................... 37

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