Micrel, Inc.
Features
• Single-chip 10Base-T/100Base-TX physical layer
solution
• Fully compliant to IEEE 802.3u Standard
• Low power CMOS design, power consumption of
<180mW
• HP auto MDI/MDI-X for reliable detection and
correction for straight-through and crossover cables
with disable and enable option
• Robust operation over standard cables
• Power down and power saving modes
• MII interface support (KSZ8041NL only)
• RMII interface support with external 50MHz system
clock (KSZ8041NL only)
• RMII interface support with 25MHz crystal/clock input
and 50MHz reference clock output to MAC
(KSZ8041RNL only)
• MIIM (MDC/MDIO) management bus to 6.25MHz for
rapid PHY register configuration
• Interrupt pin option
• Programmable LED outputs for link, activity and
speed
• ESD rating (6kV)
• Single power supply (3.3V)
• Built-in 1.8V regulator for core
• Available in 32-pin (5mm x 5mm) MLF® package
Applications
• Printer
• LOM
• Game Console
• IPTV
• IP Phone
• IP Set-top Box
KSZ8041NL/RNL
Ordering Information
Part Number
KSZ8041NL
KSZ8041NLI (1)
KSZ8041NL AM(1)
KSZ8041MNLU
KSZ8041RNLU
Temperature Range
0°C to 70°C
−40°C to 85°C
−40°C to 85°C
−40°C to 85°C
−40°C to 85°C
KSZ8041RNL
0°C to 70°C
KSZ8041RNLI (1)
−40°C to 85°C
Note:
1. Contact factory for lead time.
Package
32-Pin MLF®
32-Pin MLF®
32-Pin MLF®
32-Pin MLF®
32-Pin MLF®
32-Pin MLF®
32-Pin MLF®
Lead Finish
Pb-Free
Pb-Free
Pb-Free
Pb-Free
Pb-Free
Pb-Free
Pb-Free
Description
MII / RMII, Commercial Temperature
MII / RMII, Industrial Temperature
MII / RMII, Automotive Qualified Device
KSZ8041NL AM with MII support only.
KSZ8041NL AM with RMII support only.
RMII with 50MHz clock output, Commercial
Temperature
RMII with 50MHz clock output, Industrial
Temperature
September 2010
2
M9999-090910-1.4