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Rainbow Electronics W90N745CDG User Manual

Page 397

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W90N745CD/W90N745CDG

Publication Release Date: September 22, 2006

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393

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Revision

A2

7.3.5 AC97/I2S Interface AC Characteristics

T

ISU

T

OD

T

IHD

T

OH

AC97_BCLK

AC97_DATAO

AC97_SYNC

AC97_DATAI

T

CLK_PERIOD




SYMBOLS DESCRIPTION MIN

TYP.

MAX

UNIT

T

CLK_PERIOD

AC97 Bit Clock Frequency

--

12.288

--

MHz

T

OD

AC97_DATAO and AC97_SYNC output delay
from AC97_BCLK rising edge

-- -- 30 ns

T

OH

AC97_DATAO and AC97_SYNC output hold
time from AC97_BCLK rising edge

5 -- -- ns

T

ISU

AC97_DATAI input setup time to AC97_BCLK
falling edge

10 -- -- ns

T

IHD

AC97_DATAI input hold time from
AC97_BCLK falling edge

5 -- -- ns