參數(shù)資料
型號(hào)： LC86P7248
廠商： Sanyo Electric Co.,Ltd.
英文描述： 8-Bit Single-Chip Microcontroller with the One-Time Programmable PROM Built in
中文描述： 8位單片機(jī)與一次性可編程PROM的內(nèi)置
文件頁(yè)數(shù)： 19/20頁(yè)
文件大?。?/td> 651K
代理商： LC86P7248
LC86P7248
No.6838-19/20
Notice for use
The construction of the one-time programmable microcomputer with a blank built-in PROM makes it impossible for Sanyo to
completely factory-test it before shipping. To probe reliability of the programmed devices, the screening procedure shown
in the following figure should always be followed.
It is not possible to perform a writing test on the blank PROM. 100% yield, therefore, cannot be guaranteed.
Keeping the dry packing
The environment must be held at a temperature of 30
°
C or less and a humidity level of 70% or less.
After opening the packing
The preparation procedures shown in the following figure should always be followed prior to mounting the packages on the
substrate. Note that the QIP package should be heat-soaked for 12 hours at 125
°
C immediately prior to mounting (This
baking is called pre-baking). After pre-baking, a controlled environment must be maintained until soldering. The
environment must be held at a temperature of 30
°
C or less and a humidity level of 70% or less. Please solder within 24
hours.
a. Shipping with a blank PROM
b. Shipping with a programmed PROM
(Programming the data by yourself)
(Programming the data by Sanyo)
Recommended process of screening
QIP
Writing data for program/Verifying
Heat-soak
150±5
°
C, 24-0
Reading ascertain of program
VDD=5±0.5V
Mounting
QIP
Mounting
Baking before mounting
125
°
C, 12 hours
Baking
Baking before mounting
125
°
C, 12 hours
Baking
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