alc888s Realtek Semiconductor Corporation, alc888s Datasheet - Page 75

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

9.2.2.
7.1+2 Channel High Definition Audio Codec
w/Two Independent S/PDIF-OUT
Parameter
BCLK Frequency
BCLK Period
BCLK Jitter
BCLK High Pulse Width
BCLK Low Pulse Width
SDO Setup Time at Both Rising
and Falling Edge of BCLK
SDO Hold Time at Both Rising and
Falling Edge of BCLK
SDI Valid Time After Rising Edge
of BCLK (1:50pF external load)
SDI Flight Time
Link Timing Parameters at the Codec
BCLK
SDO
SDI
T_setup
V
V
V
V
V
OH
OL
Table 81. Link Timing Parameters at the Codec
IH
T
IL
T_tco
T_hold
Symbol
Figure 17. Link Signals Timing
T_high
T
T
T
T
T
T
T
T
flight
cycle
setup
jitter
high
hold
low
-
tco
T_cycle
T_low
Minimum
(45%)
(45%)
67
18.75
18.75
2.1
2.1
-
-
-
-
-
T_flight
Typical
41.67
24.0
7.5
2.0
-
-
-
-
-
ALC888S & ALC888SDD
Track ID: JATR-1076-21
Maximum
(55%)
(55%)
22.91
22.91
2.0
8.0
-
-
-
-
-
Datasheet
Units
MHz
(%)
(%)
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 1.2