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参数资料
| 型号： | XLT20QFN-1 |
| 厂商： | Microchip Technology |
| 文件页数： | 35/42页 |
| 文件大小： | 0K |
| 描述： | SOCKET TRANSITION 20DIP-20QFN |
| 标准包装： | 1 |
| 模块/板类型： | * |
| 适用于相关产品： | MPLAB?ICE |
| 产品目录页面： | 658 (CN2011-ZH PDF) |
| 配用： | DVA1004-ND - DEVICE ADAPTER 8/14/20DIP |
| 相关产品： | PIC16F690T-I/ML-ND - IC PIC MCU FLASH 4KX14 20QFN PIC16F690-E/ML-ND - IC PIC MCU FLASH 4KX14 20-QFN PIC16F690-I/ML-ND - IC PIC MCU FLASH 4KX14 20QFN |
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Transition Socket Specification
QFP TRANSITION SOCKET
QFP (MQFP, TQFP, PQFP) transition sockets and
associated hardware are shown below.
FIGURE 5: QFP TRANSITION SOCKET
Cable to Processor Module
QFP Device Adapter
QFP Transition Socket
Target/Application Board
The QFP transition socket is required for use along with
the QFP device adapter. The device adapter is
equipped with four socket strips that interface with the
transition socket.
QFP TRANSITION SOCKET
SOLDERING TIPS
? Before soldering, consider keeping the
break-away tabs in place during soldering.
? Use controlled soldering iron tip temperatures
between 300 ? C and 325 ? C (570 ? F to 615 ? F)
? If possible, use a PACE mini wave soldering iron
tip or an equivalent tip design.
? Plan to solder one (1 of 4) side first, then the
opposite side, then the remaining two sides.
? Soldering iron tip movement should be in the
direction of the leads (backward and forward), not
across the leads; dragging the tip across the
leads may cause lead damage.
? Use generous amounts of soldering flux to aid in
Note:
To avoid solder bridging, do not place vias
within 0.025-inch of the QFP footprint.
Also, any vias near the QFP should be
directly on the centerline of the pad.
the solder flow action.
? If the break-away tabs are removed after solder-
ing (using a dental pick or equivalent), any solder
bridging between leads can be repaired by simply
gently touching the soldering tip to the lead tip.
The following QFP transition sockets have been
discontinued:
? XLT44PT: One 44-lead QFP transition socket,
0.80 mm
? XLT64PT1: One 64-lead QFP transition socket,
0.5 mm (PIC16C92X)
CAUTION
The 64 and 80-pin QFP headers are very delicate
and can be easily damaged!
XLT44PT (Discontinued – see XLT44PT3)
Note:
Pin 1
The XLT64PT1 for the PIC16C92X is not
symmetrical. Please note Pin 1 orientation
prior to soldering to the target system.
1
ST92X
44-lead QFP to 0.8 mm Adapter Socket
TOP
0.90
VIEW
TOP
VIEW
0.90
0.80
? XLT64PT2: One 64-lead QFP transition socket,
0.5 mm (PIC17CXXX)
? XLT64PT3: One 64-lead QFP transition socket,
0.8 mm (dsPIC30F)
FRONT/
SIDE
VIEW
0.05
0.300
? XLT64PT4: One 64-lead QFP adapter socket and
one 64-lead QFP header (0.8 mm)
? XLT80PT: One 80-lead QFP transition socket,
0.5 mm
? 2010 Microchip Technology Inc.
0.130
0.80 mm
0.365
0.55
0.65
UNLESS OTHERWISE SPECIFIED, DIMENSIONS
ARE IN INCHES.
DS51194S-page 35
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XLT20S01 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:20PIN- 300MIL SO TRANS SKT |
| XLT20SO1 | 功能描述:插座和适配器 20 LD Sm Outline Tran Sckt RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| XLT20SO1-1 | 功能描述:插座和适配器 ADAPTER KIT RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| XLT20SS | 功能描述:插座和适配器 20 LD 18LD Shrink Sm Outline Tran Sckt RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| XLT20SS1 | 功能描述:插座和适配器 209 mil SS 20LD RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
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