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参数资料
| 型号： | MB89P637P-SH |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PDIP64 |
| 封装： | SHRINK, PLASTIC, DIP-64 |
| 文件页数： | 9/59页 |
| 文件大小： | 864K |
| 代理商： | MB89P637P-SH |
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MB89630R Series
17
Programming procedure
(1) Set the EPROM programmer to the MBM27C256A-20CZ and MBM27C256A-20TV.
(2) Load program data into the EPROM programmer at 0007H to 7FFFH. (Note that addresses 8000H to FFFFH
in the operating mode assign to 0000H to 7FFFH in EPROM mode).
(3) Load option data into addresses 0000H to 0006H of the EPROM programmer.
(For information about each corresponding option, see “8. OTPROM Option Bit Map.”)
(4) 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. Erasure
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/cm2 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
W/cm2 for 15 to 21 minutes. 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.
Program, verify
Aging
+150
°C, 48 Hrs.
Data verification
Assembly
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| MB89T635RPF | 8-BIT, 10 MHz, MICROCONTROLLER, PQFP64 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MB89P637-SH | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89P647PF | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89P647PFM | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89P657A | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89P657APF-101 | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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