參數(shù)資料
型號(hào)： MB89W665R
廠商： Fujitsu Limited
英文描述： 8-Bit Proprietary Microcontroller(8位專用微控制器)
中文描述： 8位微控制器專利（8位專用微控制器）
文件頁(yè)數(shù)： 14/47頁(yè)
文件大?。?/td> 688K
代理商： MB89W665R
14
MB89660R Series
5. Programming Yield
Due to its nature, bit programming test can’t be conducted as Fujitsu delivery test. For this reason, a programming
yield of 100% cannot be assured at all times.
6. Erasure Procedure
In order to clear all locations of their programmed contents, it is necessary to expose the internal EPROM to an
ultraviolet light source. A dosage of 10 W-seconds/cm
2
is required to completely erase an internal EPROM. This
dosage can be obtained by exposure to an ultraviolet lamp (wavelength of 2537 Angstroms ()) with intensity
of 12000
μ
W/cm
2
for 15 to 21 minuites. The internal EPROM should be about one inch from the source and all
filters should be removed from the UV light source prior to erasure.
It is important to note that the internal EPROM and similar devices, will erase with light sources having wave-
lengths shorter than 4000 . Although erasure time will be much longer than with UV source at 2537 ,
nevertheless the exposure to fluorescent light and sunlight will eventually erase the internal EPROM, and
exposure to them should be prevented to realize maximum system reliability. If used in such an environment,
the package windows should be covered by an opaque label or substance.
7. EPROM Programmer Socket Adapter and Recommended Programmer Manufacturer
Inquiry: Sun Hayato Co., Ltd.: TEL: (81)-3-3986-0403
FAX: (81)-3-5396-9106
Minato Electronics Inc.: TEL: USA (1)-916-348-6066
JAPAN (81)-45-591-5611
Data I/O Co., Ltd.:TEL: USA/ASIA (1)-206-881-6444
EUROPE (49)-8-985-8580
Note: Connect the adapter jumper pin to V
SS
when using.
Part number
Package
Compatible socket adapter
Sun Hayato Co., Ltd.
Recommended programmer manufacturer
and programmer name
Minato Electronics Inc.
Data I/O Co., Ltd.
1890A
1891
1930
R4945A
MB89W665
SH-DIP-64 ROM-64QF-28DP-8L5
—
—
MB89P665PF
QFP-64
ROM-64QF-28DP-8L
Recommended
Recommended
MB89P665
SH-DIP-64 ROM-64SD-28DP-8L
—
—
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