XLT20QFN-1 Microchip Technology, XLT20QFN-1 Datasheet - Page 38

• Manufacturer Part Number: XLT20QFN-1
• Description: SOCKET TRANSITION 20DIP-20QFN
• Manufacturer: Microchip Technology

Specifications of XLT20QFN-1

• Module/board Type: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: MPLAB™ICE
• For Use With: DVA1004 - DEVICE ADAPTER 8/14/20DIP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Transition Socket Specification
SOT/DFN/QFN TRANSITION
SOCKETS
SOT/DFN/QFN transition sockets and associated
hardware are shown below.
FIGURE 5: DFN/QFN TWO-PART
FIGURE 6: 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.
DS51194Q-page 36
(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 7: 8-PIN DFN
FIGURE 8: 28-PIN QFN
FIGURE 9: 44-PIN QFN
16 mils
50 mils
24 mils
© 2008 Microchip Technology Inc.
16 mils
24 mils
11 mils
26 mils
13 mils
26 mils