參數資料
型號: MB89W665C-SH
元件分類: 微控制器/微處理器
英文描述: 8-BIT, UVPROM, 10 MHz, MICROCONTROLLER, CDIP64
封裝: WINDOWED, SHRINK, CERAMIC, DIP-64
文件頁數: 5/47頁
文件大?。?/td> 649K
代理商: MB89W665C-SH
13
MB89660R Series
3. Programming to the PROM
In EPROM mode, the MB89P665A 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 single chip correspond to 4000H to 7FFFH in EPROM mode).
Load option data into addresses 3FF0H to 3FF6H of the EPROM programmer. (For information about each
corresponding option, see “8. 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.
Program, verify
Aging
+150
°C, 48 Hrs.
Data verification
Assembly
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