CS4281-CM Просмотр технического описания (PDF) - Cirrus Logic

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CS4281-CM

CrystalClear™ PCI Audio Interface

Cirrus Logic 

CS4281

CrystalClear™ PCI Audio Interface

AC-LINK SERIAL INTERFACE (TA = 0 to 70° C; PCIVDD = CVDD = VAUX = CRYVDD = 3.3 V;

VDD5REF = 5 V; PCIGND = CGND = CRYGND = 0 V; Logic 0 = Vol,Vil, Logic 1 = Voh,Vih; unless otherwise noted)

Parameter

Symbol Min Typ Max Unit

ABITCLK input cycle time

tclk_period

81.4

-

ns

ABITCLK input high time

tclk_high

36

40.7

45

ns

ABITCLK input low time

tclk_low

36

40.7

45

ns

ABITCLK input rise/fall time

trfclk

2

-

6

ns

ASDIN/ASDIN2 valid to ABITCLK falling

tsetup

10

-

-

ns

ASDIN/ASDIN2 hold after ABITCLK falling

thold

10

-

-

ns

ASDIN/ASDIN2 input rise/fall time

trfin

2

-

6

ns

ABITCLK rising to ASDOUT/ASYNC valid, CL = 55 pF

tco

2

-

15

ns

ASYNC/ASDOUT rise/fall time, CL = 55 pF

trfout

2

-

6

ns

tclk_period

ABITCLK

trfclk

ASDIN/ASDIN2

tclk_high

tclk_low

trfclk

thold

trfin

tsetup

ASDOUT

ASYNC

tco

trfout

trfout

Figure 3. AC ’97 Configuration Timing Diagram

tco tco

trfout

CIRRUS LOGIC PRODUCT DATA SHEET

DS308PP4

7

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