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  • IC封裝製程簡介(IC封裝制程簡介)

    半導體的產品很多,應用的場合非常廣泛,圖一是常見的幾種半導體元件外型。半導體元件一般是以接腳形式或外型來劃分類別,圖一中不同類別的英文縮寫名稱原文為   PDID:Plastic Dual Inline Package SOP:Small Outline Package SOJ:Small Outline J-Lead Package PLCC:Plastic Leaded Chip Carrier QFP:Quad Flat Package PGA:Pin Grid Array BGA:Ball Grid Array         雖然半導體元件的外型種類很多,在電路板上常用的組裝方式有二種,一種是插入電路板的銲孔或腳座,如PDIP、PGA,另一種是貼附在電路板表面的銲墊上,如SOP、SOJ、PLCC、QFP、BGA。    從半導體元件的外觀,只看到從包覆的膠體或陶瓷中伸出的接腳,而半導體元件真正的的核心,是包覆在膠體或陶瓷內一片非常小的晶片,透過伸出的接腳與外部做資訊傳輸。圖二是一片EPROM元件,從上方的玻璃窗可看到內部的晶片,圖三是以顯微鏡將內部的晶片放大,可以看到晶片以多條銲線連接四周的接腳,這些接腳向外延伸並穿出膠體,成為晶片與外界通訊的道路。請注意圖三中有一條銲線從中斷裂,那是使用不當引發過電流而燒毀,致使晶片失去功能,這也是一般晶片遭到損毀而失效的原因之一。   圖四是常見的LED,也就是發光二極體,其內部也是一顆晶片,圖五是以顯微鏡正視LED的頂端,可從透明的膠體中隱約的看到一片方型的晶片及一條金色的銲線,若以LED二支接腳的極性來做分別,晶片是貼附在負極的腳上,經由銲線連接正極的腳。當LED通過正向電流時,晶片會發光而使LED發亮,如圖六所示。     半導體元件的製作分成兩段的製造程序,前一段是先製造元件的核心─晶片,稱為晶圓製造;後一段是將晶中片加以封裝成最後產品,稱為IC封裝製程,又可細分成晶圓切割、黏晶、銲線、封膠、印字、剪切成型等加工步驟,在本章節中將簡介這兩段的製造程序。

    標簽: 封裝 IC封裝 制程

    上傳時間: 2013-11-04

    上傳用戶:372825274

  • SL811開發資料_包含源程序_電路圖_芯片資料

    SL811開發資料_包含源程序_電路圖_芯片資料:SL811HS Embedded USB Host/Slave Controller.The SL811HS is an Embedded USB Host/Slave Controller capable of communicate with either full-speed or low-speed USB peripherals. The SL811HS can interface to devices such as microprocessors, microcontrollers, DSPs, or directly to a variety of buses such as ISA, PCMCIA, and others. The SL811HS USB Host Controller conforms to USB Specification 1.1.The SL811HS USB Host/Slave Controller incorporates USB Serial Interface functionality along with internal full-/low-speed transceivers.The SL811HS supports and operates in USB full-speed mode at 12 Mbps, or at low-speed 1.5-Mbps mode.The SL811HS data port and microprocessor interface provide an 8-bit data path I/O or DMA bidirectional, with interrupt support to allow easy interface to standard microprocessors or microcontrollers such as Motorola or Intel CPUs and many others. Internally,the SL811HS contains a 256-byte RAM data buffer which is used for control registers and data buffer.The available package types offered are a 28-pin PLCC (SL811HS) and a 48-pin TQFP package (SL811HST-AC). Both packages operate at 3.3 VDC. The I/O interface logic is 5V-tolerant.

    標簽: 811 SL 開發資料 源程序

    上傳時間: 2013-12-22

    上傳用戶:a82531317

  • superpro 3000u 驅動及編程器軟件下載

    superpro 3000u 驅動 PIC16C65B@QFP44 [SA245] PIC16C65B:          Part number QFP44:              Package in QFP44 SA245:              Adapter purchase number AM29DL320GT@FBGA48 [SA642+B026] AM29DL320GT:        Part number FBGA48:             Package in FBGA48 SA642:              Adapter purchase number (Top board with socket) B026:               Adapter purchase number (Bottom board, exchangable for different parts) 87C196CA@PLCC68(universal adapter) [PEP+S414T] 87C196CA:           Part number PLCC68:             Package in PLCC68 universal adapter:  this adapter is valid for all parts in this package PEP:                The PEP (Pin-driver Expansion Pack necessary to work with the adapter S414T) S414T:              Adapter purchase number (Universal for all parts in this package) S71PL127J80B@FBGA64(special adapter) [(SA642A-B079A-Y096AF001)] S71PL127J80B:            Part number FBGA64:                  Package in FBGA64 special adapter:         this adapter is valid for this

    標簽: superpro 3000u 驅動 編程器軟件

    上傳時間: 2014-03-27

    上傳用戶:ippler8

  • Lachesis an IRCRPG combat engine written in a combination of C and C++. The combat engine is being w

    Lachesis an IRCRPG combat engine written in a combination of C and C++. The combat engine is being written for a specific RPG, but most of the project should be useful to IRCRPGs in general. It includes a native interface to the IRC protocol to allow it to act as an IRC bot, for such uses as dice rolling and acting as a remote-controlled client (RPG NPC perhaps).

    標簽: combat engine combination Lachesis

    上傳時間: 2014-01-26

    上傳用戶:firstbyte

  • < 網絡機器人java編程指南>>的配套源程序

    < 網絡機器人java編程指南>>的配套源程序,研究如何實現具有Web訪問能力的網絡機器人的書。從Internet編程的基本原理出發,深入淺出、循序漸進地闡述了網絡機器人程序Spider、Bot、Aggregator的實現技術,并分析了每種程序的優點及適用場合。本書提供了大量的有效源代碼,并對這些代碼進行了詳細的分析。通過本書的介紹,你可以很方便地利用這些技術,設計并實現網絡蜘蛛或網絡信息搜索器等機器人程序。

    標簽: java gt lt 網絡

    上傳時間: 2014-01-06

    上傳用戶:waitingfy

  • This matrix C++ template class library is for performing common matrix operations in your C++ progra

    This matrix C++ template class library is for performing common matrix operations in your C++ program like any other built-in data types. To install the package, just copy MATRIX.H file into the INCLUDE directory of your compiler and include this header file in your program source file

    標簽: matrix performing operations template

    上傳時間: 2013-12-21

    上傳用戶:wys0120

  • WHAT MIME64 IS: MIME64 is an encoding described in RFC1341 as MIME base64.Its purpose is to encode b

    WHAT MIME64 IS: MIME64 is an encoding described in RFC1341 as MIME base64.Its purpose is to encode binary files into ASCII so that they may be passedthrough e-mail gates. In this regard, MIME64 is similar to UUENCODE.Although most binaries these days are transmitted using UUENCODE, Ihave seen a few using MIME64, and I have had requests from friends thatI decode MIME64 files that have fallen into their hands. As long assome MIME64 continues to exist, a package such as this one is usefulto have.

    標簽: MIME described 64 encoding

    上傳時間: 2013-12-17

    上傳用戶:maizezhen

  • Client/Server版本 DBISAM compiles directly into your application with no external libraries required.

    Client/Server版本 DBISAM compiles directly into your application with no external libraries required. Runtime package support is also provided if so desired. It has a very small footprint and does not require any forms support in Delphi 6, C++Builder 6, and Kylix 2 and higher, which helps keep the size of non-UI applications like services or web applications to a minimum.

    標簽: application libraries compiles directly

    上傳時間: 2015-04-04

    上傳用戶:sz_hjbf

  • VS1002D ADPCM RECORDING INSTRUCTIONS v 1.0 (C) 2004-09-23 VLSI SOLUTION OY This is a softwar

    VS1002D ADPCM RECORDING INSTRUCTIONS v 1.0 (C) 2004-09-23 VLSI SOLUTION OY This is a software package to patch VS1002d ADPCM recording capability. It is explained in VS10XX Application Notes, available at http://www.vlsi.fi/download/ See also source code src/microcontrol.c for example.

    標簽: INSTRUCTIONS RECORDING SOLUTION softwar

    上傳時間: 2014-01-05

    上傳用戶:894898248

  • JabberX 是一個基于unix平臺的jabber客戶端 JabberX is a unix console Jabber client. Jabber is a cross-platform,

    JabberX 是一個基于unix平臺的jabber客戶端 JabberX is a unix console Jabber client. Jabber is a cross-platform, open source, XML-based, distributed instant messaging system. Requirements: ------------- Iksemel library (from http://jabber-x.sourceforge.net) NCurses or S-Lang package. Autoconf and Automake packages are required for compiling from cvs. Perl is required for building perl scripting support.

    標簽: JabberX Jabber unix cross-platform

    上傳時間: 2013-12-18

    上傳用戶:wfeel

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