KS8001L Просмотр технического описания (PDF) - Micrel

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Компоненты Описание

производитель

KS8001L

1.8V, 3.3V 10/100BASE-T/TX/FX Physical Layer Transceiver

Micrel 

Micrel

Revision History

Revision

PRELIMINARY

0.8

Date

25 Mar 2004

9 Aug 2004

0.81

17 Sep 2004

0.82

25 Jan 2005

1.00

31 Mar 2005

1.01

16 May 2005

1.02

30 Jan 2006

1.03

7 March 2006

1.04

25 June 2009

KSZ8001

Summary of Changes

• Preliminary data

• Updated pin 38 (VDDRCV) definition to 3.3V

• Corrected pin configuration diagrams to reflect NC on pins 42 and 43

• Updated crystal tolerance to +/- 50 ppm

• Updated series resistance for crystal specification to 40 Ω

• LinkMD distance coefficient changed to 0.39

• Interrupt register status bits set to RO/SC

• Recommended reset circuit added

• RMII timing added

• Added lead-free part numbers

• Changed REXT value to 6.65 KΩ

• Removed preliminary status

• Added KSZ8001S to ordering information

• Updated part ordering information

• Corrected recommended reset circuits to match corresponding description

• Added Micrel disclaimer to last page

• Corrected crystal/oscillator PPM in Reference Clock Connection Diagrams

• Added current consumption for KSZ8001L

• Correct RXC clock pulse width timing in 100BASE-TX MII Receive Timing

Diagram

• Added description for Auto MDI/MDI-X mode in register 1f.15

• Updated description for MDI/MDI-X select in register 1f.14

• Corrected Auto-Negotiation Complete bit, register 1f.7, to read only

• Added “Circuit Design Reference for Power Supply” section

• Updated Pin Description for the following pins: MDIO, VDDIO, VDDC, RX+, RX-,

TX+, TX-, XI, XO

• Removed 48 Pin QFN (targeted) package option

• Renamed KS8001 to KSZ8001 throughout datasheet

• Added mechanical info for SSOP package

• Updated package thermal resistance

• Update ordering information.

June 2009

Revision 1.04

3

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