CONTENTS
µPD178P018A
1. PIN FUNCTION LIST .......................................................................................................................... 10
1.1 Pins in Normal Operating Mode ............................................................................................... 10
1.2 Pins in PROM Programming Mode ........................................................................................... 12
1.3 Pins Input/Output Circuits and Recommended Connection of Unused Pins ...................... 13
2. PROM PROGRAMMING .................................................................................................................... 16
2.1 Operating Modes ........................................................................................................................ 16
2.2 PROM Write Procedure ............................................................................................................. 18
2.3 PROM Read Procedure .............................................................................................................. 22
3. PROGRAM ERASURE (µPD178P018AKK-T ONLY) ..................................................................... 23
4. OPAQUE FILM ON ERASURE WINDOW (µPD178P018AKK-T ONLY) ..................................... 23
5. ONE-TIME PROM VERSION SCREENING .................................................................................... 23
6. ELECTRICAL SPECIFICATIONS (PRELIMINARY) .......................................................................... 24
7. PACKAGE DRAWINGS ..................................................................................................................... 46
APPENDIX A. DIFFERENCES BETWEEN µPD178018A AND µPD178018 SUBSERIES ................... 48
APPENDIX B. DEVELOPMENT TOOLS ................................................................................................ 49
APPENDIX C. RELATED DOCUMENTS ................................................................................................ 53
9