Advanced Information

WM9708

WOLFSON MICROELECTRONICS LTD

AI Rev 2.0 April 2001

9

DATA SETUP AND HOLD (50pF EXTERNAL LOAD)

BITCLK

SDATAOUT

SYNC

t

SETUP

t

HOLD

Figure 5 Data Setup and Hold (50pF External Load)

Note: Setup and hold time parameters for SDATA_IN are with respect to AC’97 Controller.

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Setup to falling edge of BITCLK

15.0

ns

Hold from falling edge of BITCLK

5.0

ns

SIGNAL RISE AND FALL TIMES

BITCLK

SYNC

SDATAIN

SDATAOUT

trise

CLK

tfall

CLK

trise

SYNC

tfall

SYNC

trise

DIN

tfall

DIN

trise

DOUT

tfall

DOUT

Figure 6 Signal Rise and Fall Times (50pF external load)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

BITCLK rise time

26

ns

BITCLK fall time

26

ns

SYNC rise time

26

ns

SYNC fall time

26

ns

SDATAIN rise time

26

ns

SDATAIN fall time

26

ns

SDATAOUT rise time

26

ns

SDATAOUT fall time

26

ns