AD1986 데이터 시트보기 (PDF) - Analog Devices

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AD1986

AC ’97 SoundMAX CODEC

Analog Devices 

Table 19.

Symbol

tRISECLK

tFALLCLK

tRISESYNC

tRISESYNC

tRISEDIN

tRISEDIN

tRISEDOUT

tRISEDOUT

BIT_CLK

tRISECLK

SYNC

tRISESYNC

SDATA_IN

tRISEDIN

SDATA_OUT

tRISEDOUT

tFALLCLK

tFALLSYNC

tFALLDIN

tFALLDOUT

Figure 7. Signal Rise and Fall Times

AD1986

Parameter

BIT_CLK Rise Time

BIT_CLK Fall Time

SYNC Rise Time

SYNC Fall Time

SDATA_IN Rise Time

SDATA_IN Fall Time

SDATA_OUT Rise Time

SDATA_OUT Fall Time

Min

Typ

Max

Unit

2

4

6

nS

2

4

6

nS

2

4

6

nS

2

4

6

nS

2

4

6

nS

2

4

6

nS

2

4

6

nS

2

4

6

nS

tCO

BIT_CLK VIH

tSETUP

VIL

SDATA_OUT

SDATA_IN

SYNC

VOH

VOL

tHOLD

Figure 8. Link Low Power Mode Timing (Detail)

Table 20.

Symbol

tCO

tSETUP

tHOLD

VIH

VIL

VOH

VOL

Parameter

Propagation Delay

Setup to Falling Edge of BIT_CLK

Hold from Falling Edge of BIT_CLK

Digital Signal High Level Input Voltage

Digital Signal Low Level Input Voltage

Digital Signal High Level Output Voltage

Digital Signal Low Level Output Voltage

Min

Typ

4

3

0.65 DVDD

0.9 DVDD

Max

25

0.35 DVDD

0.1 DVDD

Unit

nS

nS

nS

V

V

V

V

Rev. 0 | Page 11 of 52

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