XLT28QFN4 Microchip Technology, XLT28QFN4 Datasheet - Page 38
![SOCKET TRANS ICE 28QFN W/CABLE](/photos/9/1/90108/xlt28qfn4_sml.jpg)
XLT28QFN4
Manufacturer Part Number
XLT28QFN4
Description
SOCKET TRANS ICE 28QFN W/CABLE
Manufacturer
Microchip Technology
Specifications of XLT28QFN4
Module/board Type
*
Convert From
28-DIP
Convert To
28-QFN
Pitch Spacing
0.025"
Svhc
No SVHC (15-Dec-2010)
Ic Adapter Type
Transition Socket
Mounting Type
Through Hole
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
MPLAB™ICE
For Use With
AC162067 - HEADER INTRFC MPLAB ICD2 40/28PDAF18-4 - DEVICE ADAPTER FOR ICE4000DAF30-4 - DEVICE ATP FOR ICE4000DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Transition Socket Specification
SOT/DFN/QFN TRANSITION
SOCKETS
SOT/DFN/QFN transition sockets and associated
hardware are shown below.
FIGURE 6: DFN/QFN TWO-PART
FIGURE 7: QFN TRANSITION SOCKET
The following SOT/DFN/QFN transition sockets have
been discontinued:
• XLT08DFN: One 8-lead DFN transition socket.
• XLT28QFN: One 28-lead QFN transition socket.
• XLT28QFN2: One 28-lead QFN transition socket.
• XLT44QFN: One 44-lead QFN two-part transition
See the drawings in this section for layout dimensions.
DS51194S-page 38
(Replaced by XLT08DFN2.)
(Replaced by XLT28QFN4.)
(Replaced by XLT28QFN3.)
socket. (Replaced by XLT44QFN2.)
TRANSITION SOCKET
Gold Standoffs/
Adapters
Gold Standoffs/
Adapters
PDIP Device Adapter
PDIP Device Adapter
Cable to Processor Module
Cable to Processor Module
DFN/QFN Transition Socket
Target/Application Board
QFN Transition Socket
Target/Application Board
RECOMMENDED PCB LAYOUT
The recommended target board footprint layout for
different pin-counts is shown here.
FIGURE 8: 8-PIN DFN
FIGURE 9: 28-PIN QFN
FIGURE 10: 44-PIN QFN
16 mils
50 mils
24 mils
2010 Microchip Technology Inc.
16 mils
24 mils
11 mils
26 mils
13 mils
26 mils