MB89151APF datasheet(16/52 Pages) FUJITSU

16 / 52 page

MB89150/150A Series

3. Programming to the EPROM

In EPROM mode, the MB89P155 functions equivalent to the MBM27C256A. This allows the PROM to be

programmed with a general-purpose EPROM programmer (the electronic signature mode cannot be used) by

using the dedicated socket adapter.

• Programming procedure

(1) Set the EPROM programmer to the MBM27C256A.

(2) Load program data into the EPROM programmer at 4000H to 7FFFH (note that addresses C000H to FFFFH

while operating as a normal operating mode assign to 4000H to 7FFFH in EPROM mode).

Load option data into addresses 3FF0H to 3FF5H of the EPROM programmer. (For information about each

corresponding option, see “7. Setting OTPROM Options.”)

(3) Program with the EPROM programmer.

4. Recommended Screening Conditions

High-temperature aging is recommended as the pre-assembly screening procedure for a product with a blanked

OTPROM microcomputer program.

5. Programming Yield

All bits cannot be programmed at Fujitsu shipping test to a blanked OTPROM microcomputer, due to its nature.

For this reason, a programming yield of 100% cannot be assured at all times.

6. EPROM Programmer Socket Adapter

Inquiry: Sun Hayato Co., Ltd.: TEL 81-3-3802-5760

Package

Compatible socket adapter

FPT-80P-M05

ROM-80SQF-28DP-8L

FPT-80P-M06

ROM-80QF-28DP-8L3

FPT-80P-M11

ROM-80QF2-28DP-8L2

Program, verify

Aging

+150

°C, 48 Hrs.

Data verification

Assembly

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