Micrel, Inc.
KSZ8041TL/FTL
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
• LinkMD® TDR-based cable diagnostics for identification
of faulty copper cabling
• Fiber support: 100Base-FX (KSZ8041FTL only), Back-
to-Back mode (KSZ8041FTL and KSZ8041TL)
• MII interface support
• RMII interface support with external 50MHz system
clock
• SMII interface support with external 125MHz system
clock and 12.5MHz sync clock from MAC
• MIIM (MDC/MDIO) management bus to 12.5MHz for
rapid PHY register configuration
• Interrupt pin option
• Programmable LED outputs for link, activity and speed
• Power down and power saving modes
• Single power supply (3.3V)
• Built-in 1.8V regulator for core
• Available in 48-pin TQFP package
Applications
• Printer
• LOM
• Game Console
• IPTV
• IP Phone
• IP Set-top Box
• Media Converter
Ordering Information
Part Number Temp. Range Package
KSZ8041TL
KSZ8041TLI(1)
0°C to 70°C 48-Pin TQFP
-40°C to 85°C 48-Pin TQFP
KSZ8041FTL 0°C to 70°C 48-Pin TQFP
KSZ8041FTLI(1) -40°C to 85°C 48-Pin TQFP
Note:
1. Contact factory for lead time.
Lead Finish
Pb-Free
Pb-Free
Pb-Free
Pb-Free
April 2007
2
M9999-042707-1.1