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| 型號： | P83C845BBP |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Microcontrollers for TV and video MTV |
| 中文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP42 |
| 封裝： | 0.600 INCH, PLASTIC, SOT-270-1, SDIP-42 |
| 文件頁數(shù)： | 38/40頁 |
| 文件大小： | 243K |
| 代理商： | P83C845BBP |
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1996 Mar 22
38
Philips Semiconductors
Product specification
Microcontrollers for TV and video (MTV)
83C145; 83C845
83C055; 87C055
22 SOLDERING
22.1
Introduction
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
cases reflow soldering is often used.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our “IC Package Databook”(order code 9398 652 90011).
22.2
Soldering by dip or wave
The maximum permissible temperature of the solder is
260
°
C; solder at this temperature must not be in contact
with the joint for more than 5 seconds. The total contact
time of successive solder waves must not exceed
5 seconds.
The device may be mounted to the seating plane, but the
temperature of the plastic body must not exceed the
specified storage maximum. If the printed-circuit board has
been pre-heated, forced cooling may be necessary
immediately after soldering to keep the temperature within
the permissible limit.
22.3
Repairing soldered joints
Apply a low voltage soldering iron (less than 24 V) to the
lead(s) of the package, below the seating plane or not
more than 2 mm above it. If the temperature of the
soldering iron bit is less than 300
°
C it may remain in
contact for up to 10 seconds. If the bit temperature is
between 300 and 400
°
C, contact may be up to 5 seconds.
23 DEFINITIONS
24 LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
Data sheet status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
相關(guān)PDF資料 |
PDF描述 |
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| P83C055 | Microcontrollers for TV and video MTV |
| P87C055 | Microcontrollers for TV and video MTV |
| P87C055BBP | Microcontrollers for TV and video MTV |
| P83C055BBP | Microcontrollers for TV and video MTV |
| P83C145BBP | MICRO 21 F SOD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| P83C851FBA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontroller with on-chip EEPROM |
| P83C851FBB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontroller with on-chip EEPROM |
| P83C851FBP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontroller with on-chip EEPROM |
| P83C851FFA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontroller with on-chip EEPROM |
| P83C851FFB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontroller with on-chip EEPROM |
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