
μ
PD178P018A
9
CONTENTS
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 (
μ
PD178P018AKK-T ONLY)..................................................................... 23
4. OPAQUE FILM ON ERASURE WINDOW (
μ
PD178P018AKK-T ONLY) ..................................... 23
5. ONE-TIME PROM VERSION SCREENING .................................................................................... 23
6. ELECTRICAL SPECIFICATIONS (PRELIMINARY).......................................................................... 24
7. PACKAGE DRAWINGS ..................................................................................................................... 46
APPENDIX A. DIFFERENCES BETWEEN
μ
PD178018A AND
μ
PD178018 SUBSERIES ................... 48
APPENDIX B. DEVELOPMENT TOOLS ................................................................................................ 49
APPENDIX C. RELATED DOCUMENTS ................................................................................................ 53