KSZ8721CL TR Micrel Inc, KSZ8721CL TR Datasheet - Page 3

• Manufacturer Part Number: KSZ8721CL TR
• Description: TXRX 10/100 3.3V 48-LQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KSZ8721CL TR

• Number Of Drivers/receivers: 1/1
• Protocol: MII
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: KSZ8721CLTR; KSZ8721CLTR

Revision History
April 2005
KS8721CL
Revision Date
0.90
1.0
1.1
1.2
7/20/04
10/08/04
1/27/05
3/16/05
Summary of Changes
Created.
Updated series resistance for crystal specification to 40Ω.
MDIO resistor value changes to 4.7kΩ.
Added note on strapping option pins. Updated bits 1b.0 - 1b.7 to self-clearing.
Updated Electrical characteristics.
Updated reference schematic for strapping option configuration to 3.3V.
Updated bits 1f.4-1f.2 to reserved. Added aditional magnetics to qualified transformer table.
Added reset reference circuit.
Added RMII timing.
Corrected LED signal references to collision.
Removed KS8721CLI from ordering information.
3
M9999-041405
Micrel, Inc.