Datasheet
LAN8740A/LAN8740Ai
DS00001987A-page 134    2013-2015 Microchip Technology Inc.
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. 
Device: LAN8740A
Temperature 
Range:
Blank = 0°C to +70°C
i = -40°C to +85°C
Package: EN = VQFN (32-pin)
Tape and Reel 
Option:
Blank = Standard packaging (tray)
TR = Tape and Reel
(1) 
Examples:
a) LAN8740A-EN
0°C to +70°C,
(32-pin),
Tray
b) LAN8740Ai-EN
-40°C to +85°C,
(32-pin),
Tray
c) LAN8740A-EN-TR
0°C to +70°C,
(32-pin),
Tape and Reel
Note 1: Tape and Reel identifier only appears in the 
catalog part number description. This 
identifier is used for ordering purposes and is 
not printed on the device package. Check 
with your Microchip Sales Office for package 
availability with the Tape and Reel option.
Reel size is 4,000.
PART NO.
Device
[X]
Temperature 
Range
XX
Package
[XX]
(1) 
Tape and 
Reel Option










