KS8721SL Overview
Its IC has the telecom type ETHERNET TRANSCEIVER. Having a pin count of 48, it has a large number of connections.
KS8721SL Features

KS8721SL Applications
There are a lot of Micrel
KS8721SL Controllers Interface ICs applications.

Dimmable LED Power Supply
Dimming Control Devices
Commercial LED Lighting
Smart LED Lighting
Portable Appliances
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
IrDA transmission control
Remote transmission formatter

Surface Mount	YES
Number of Terminals	48
Package Shape	RECTANGULAR
Manufacturer	Microchip Technology Inc
HTS Code	8542.39.00.01
Technology	CMOS
Terminal Position	DUAL
Terminal Form	GULL WING
Number of Functions	1
Terminal Pitch	0.635 mm
Reach Compliance Code	compliant
Pin Count	48
JESD-30 Code	R-PDSO-G48
Temperature Grade	COMMERCIAL
Seated Height-Max	2.794 mm
Telecom IC Type	ETHERNET TRANSCEIVER
Width	7.493 mm
Length	15.875 mm