參數(shù)資料
型號(hào): ISP1103D
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Universal Serial Bus transceiver
中文描述: LINE TRANSCEIVER, PDSO14
封裝: 3.90 MM, PLASTIC, SOT-108-1, SO-14
文件頁數(shù): 14/17頁
文件大?。?/td> 484K
代理商: ISP1103D
Philips Semiconductors
ISP1103
USB transceiver
Preliminary specification
Rev. 01 — 4 October 1999
14 of 17
9397 750 06329
Philips Electronics N.V. 1999. All rights reserved.
Typical dwell time is 4 seconds at 250
°
C. A mildly-activated flux will eliminate the
need for removal of corrosive residues in most applications.
12.4 Manual soldering
Fix the component by first soldering two diagonally-opposite end leads. Use a low
voltage (24 V or less) soldering iron applied to the flat part of the lead. Contact time
must be limited to 10 seconds at up to 300
°
C.
When using a dedicated tool, all other leads can be soldered in one operation within
2 to 5 seconds between 270 and 320
°
C.
12.5 Package related soldering information
[1]
All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the
maximum temperature (with respect to time) and body size of the package, there is a risk that internal
or external package cracks may occur due to vaporization of the moisture in them (the so called
popcorn effect). For details, refer to the Drypack information in the Data Handbook IC26; Integrated
Circuit Packages; Section: Packing Methods
These packages are not suitable for wave soldering as a solder joint between the printed-circuit board
and heatsink (at bottom version) can not be achieved, and as solder may stick to the heatsink (on top
version).
If wave soldering is considered, then the package must be placed at a 45
°
angle to the solder wave
direction. The package footprint must incorporate solder thieves downstream and at the side corners.
Wave soldering is only suitable for LQFP, QFP and TQFP packages with a pitch (e) equal to or larger
than 0.8 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm.
Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than
0.65 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm.
[2]
[3]
[4]
[5]
13. Revision history
Table 13: Suitability of surface mount IC packages for wave and reflow soldering
methods
Package
Soldering method
Wave
not suitable
not suitable
[2]
Reflow
[1]
suitable
suitable
BGA, LFBGA, SQFP, TFBGA
HLQFP, HSQFP, HSOP, HTQFP, HTSSOP,
SMS
PLCC
[3]
, SO, SOJ
LQFP, QFP, TQFP
SSOP, TSSOP, VSO
suitable
not recommended
[3] [4]
not recommended
[5]
suitable
suitable
suitable
Table 14: Revision history
Rev Date
01
19991004
CPCN
Description
Preliminary specification; initial version.
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