DM9081FP View Datasheet(PDF) - Davicom Semiconductor, Inc.

Part Name

Description

Manufacturer

DM9081FP

10 BASE-T hub controller

Davicom Semiconductor, Inc. 

DM9081

10BASE-T Hub Controller

Timing Waveforms

Expansion Port Input Timing

Symbol

tDJSET

tDJHOLD

Parameter

DAT Setup Time

DAT Hold Time

X2

Min. Typ. Max. Unit

-

20 ns

60

-

ns

Conditions

TCK

EXPOUT

EXPIN

DAT

tDJSET

IN

tDJHOLD

Expansion Port Output Timing

Symbol

tHRL

tHRH

tHDR

tHDZ

Parameter

TCK Rising Edge to EXPOUT# Driven Low

TCK Rising Edge to EXPOUT# Driven High

TCK Rising Edge to DAT Driven

TCK Rising Edge to DAT Not Driven

Min. Typ. Max. Unit

Conditions

-

20 ns CL=100pF

-

20 ns CL=100pF

-

20 ns CL=100pF

-

20 ns CL=100pF

X2

TCK

EXPOUT

tHRL

tHRH

EXPIN

tHDR

tHDZ

DAT

OUT

Final

15

Version: DM9081-DS-F02

February 02, 2001

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