KSZ8721BL Micrel Inc, KSZ8721BL Datasheet - Page 2

• Manufacturer Part Number: KSZ8721BL
• Description: IC TXRX PHY 10/100 3.3V 48-LQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KSZ8721BL

• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Data Rate: 100Mbps
• No. Of Ports: 1
• Ethernet Type: IEEE 802.3u
• Supply Current: 151mA
• Supply Voltage Range: 3.3V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: LQFP
• No. Of Pins: 48
• Interface Type: MII, RMII
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1627 - BOARD EVALUATION FOR KSZ8721BMC576-1626 - BOARD EVALUATION FOR KSZ8721BL
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1028-5; 576-1511-5; 576-1511-5; KSZ8721BL

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