Datasheet

Micrel, Inc. KS8721BL/SL
June 2009
2
M9999-062509-1.3
Features (continued)
• Supports auto-negotiation and manual selection for
10/100Mbps speed and full-/half-duplex modes
• On-chip, built-in, analog front-end filtering for both
100BASE-TX and 10BASE-T
• LED outputs for link, activity, full-/half-duplex, collision,
and speed
• Supports back-to-back, FX to TX for media converter
applications
• Supports MDI/MDI-X auto-crossover
• KS8721BL is a drop-in replacement for the KS8721BT
in the same footprint
• KS8721SL is a drop-in replacement for the KS8721B
in the same footprint
• Commercial Temperature Range: 0
o
C to +70
o
C
• Industrial Temperature Range: –40
o
C to +85
o
C
• Available in 48-pin SSOP and LQFP
Ordering Information
Part Number Temp. Range Package Lead Finish
KS8721BL 0
o
C to 70
o
C 48-Pin LQFP Standard
KS8721SL 0
o
C to 70
o
C 48-Pin SSOP Standard
KS8721BLI –40
o
C to +85
o
C 48-Pin LQFP Standard
KSZ8721BL 0
o
C to 70
o
C 48-Pin LQFP Lead-Free
KSZ8721SL 0
o
C to 70
o
C 48-Pin SSOP Lead-Free
KSZ8721BLI –40
o
C to +85
o
C 48-Pin LQFP Lead-Free
KSZ8721SLI –40
o
C to +85
o
C 48-Pin SSOP Lead-Free