CONTENTS
µPD17P401
1. PIN FUNCTIONS ........................................................................................................................... 7
1.1 NORMAL OPERATING MODE ............................................................................................................ 7
1.2 PROM PROGRAMMING MODE .......................................................................................................... 10
1.3 PIN EQUIVALENT CIRCUITS .............................................................................................................. 11
2. LIST OF FUNCTIONS ................................................................................................................... 17
3. ONE-TIME PROM (PROGRAM MEMORY) WRITE, READ AND VERIFY OPERATIONS ....... 19
3.1 PROGRAM MEMORY WRITE/READ/VERIFY OPERATING MODES .............................................. 19
3.2 PROGRAM MEMORY WRITE PROCEDURE ...................................................................................... 20
3.3 PROGRAM MEMORY READ PROCEDURE ........................................................................................ 21
4. ELECTRICAL CHARACTERISTICS ............................................................................................... 22
5. PACKAGE DIMENSION ................................................................................................................ 28
APPENDIX. DEVELOPMENT TOOLS ............................................................................................... 29
6