KS8721BL 查看數據表（PDF） - Micrel

零件编号

产品描述 (功能)

生产厂家

KS8721BL

3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver

Micrel 

Micrel, Inc.

KS8721BL/SL

Revision History

Revision

0.9

1.0

Date

01/12/04

03/06/04

1.1

05/17/04

1.2

01/21/05

1.3

06/25/09

Summary of Changes

Data sheet created.

Initial release. Change to new format. Added part-ordering information. Editorial changes on pin

description, RMII, and media converter operation. Update circuit design, reset timing, thermal

resistance, electrical characteristics, and strapping option circuit.

Added BLI product information.

MDIO Pull-up resistor value changed 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. Crystal spec updated to 40Ω series resistance. Added

additional magnetics to qualified transformer table. Added 2 lead-free part options. Added

recommended reset circuit.

Update ordering information.

June 2009

3

M9999-062509-1.3

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