alc888s Realtek Semiconductor Corporation, alc888s Datasheet - Page 76

• Manufacturer Part Number: alc888s
• Description: 7.1+2 Channel High Definition Audio Codec With Two Independent S/pdif-out
• Manufacturer: Realtek Semiconductor Corporation

9.2.3.
9.2.4.
The ALC888S does not support codec test mode or Automatic Test Equipment (ATE) mode.
7.1+2 Channel High Definition Audio Codec
w/Two Independent S/PDIF-OUT
Parameter
S/PDIF-OUT Frequency
S/PDIF-OUT Period
S/PDIF-OUT Jitter
S/PDIF-OUT High Level Width
S/PDIF-OUT Low Level Width
S/PDIF-OUT Rising Time
S/PDIF-OUT Falling Time
S/PDIF-IN Period
S/PDIF-IN Jitter
S/PDIF-IN High Level Width
S/PDIF-IN Low Level Width
Note 1: Bit parameters for 48kHz sample rate of S/PDIF-OUT.
Note 2: Bit parameters for 48kHz sample rate of S/PDIF-IN.
S/PDIF Output and Input Timing
Test Mode
2
V
V
1
IH
IL
T
Table 82. S/PDIF Output and Input Timing
rise
Symbol
Figure 18. Output and Input Timing
T
T
T
T
T
T
T
T
T
T
cycle
cycle
jitter
High
jitter
High
Low
Low
-
rise
fall
T
high
156.2 (48%)
156.2 (48%)
146.4 (45%)
146.4 (45%)
T
Minimum
T
cycle
fall
-
-
-
-
-
-
-
68
T
low
162.8 (50%)
162.8 (50%)
162.8 (50%)
162.8 (50%)
Typical
3.072
325.6
325.6
2.0
2.0
-
-
V
OL
ALC888S & ALC888SDD
Track ID: JATR-1076-21
169.2 (52%)
169.2 (52%)
Maximum
179 (55%)
179 (55%)
V
10
OH
4
-
-
-
-
-
V
t
Datasheet
ns (%)
ns (%)
ns (%)
ns (%)
Units
MHz
ns
ns
ns
ns
ns
ns
Rev. 1.2