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STAC9704 Datasheet(PDF) 37 Page - Hynix Semiconductor

Part # STAC9704
Description  Multimedia Audio Codec for AC97
PDF  49 Pages
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Manufacturer  HYNIX [Hynix Semiconductor]
Direct Link  http://www.skhynix.com/kor/main.do
Logo HYNIX - Hynix Semiconductor

STAC9704 Datasheet(HTML) 37 Page - Hynix Semiconductor

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SigmaTel, Inc.
STAC9704/7
37
10/02/98
7.5 Signal Rise and Fall Times - (50pF external load; from 10% to 90% of Vdd)
Figure 18: Signal Rise and Fall Times
BIT_CLK
SDATA_IN
Triseclk
Tfallclk
Trisedin
Tfalldin
Table 23: Signal Rise and Fall Times
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
BIT_CLK rise time
Triseclk
2
-
6
ns
BIT_CLK fall time
Tfallclk
2
-
6
ns
SDATA_IN rise time
Trisedin
2
-
6
ns
SDATA_IN fall time
Tfalldin
2
-
6
ns
7.6
AC-link Low Power Mode Timing
BIT_CLK Stops high in violation of the AC97 specification as noted on the STAC9704/07 errata, but this
condition has not caused any known customer problems.
Figure 19: AC-link Low Power Mode Timing
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
Don't care
Slot 1
Slot 2
Write to
Data
0x20
PR4
Note: BIT_CLK not to scale
Ts2_pdown



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