STAC9758 Datasheet, PDF (18/119 Pages) Integrated Device Technology – HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS

STAC9758/9759
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
PC AUDIO
2.2.3. Clocks
BIT_CLK
SYNC
Tclk_low
Tclk_high
Tclk_period
Tsync_high
Tsync_low
Tsync_period
Figure 3. Clocks Timing
Parameter
BIT_CLK frequency
BIT_CLK period
BIT_CLK output jitter
BLT_CLK high pulse width (Note Note:)
BIT_CLK low pulse width (Note Note:)
SYNC frequency
SYNC period
SYNC high pulse width
SYNC low_pulse width
Symbol
Min Typ Max
- 12.288 -
Tclk_period
-
81.4
-
-
750
-
Tclk_high
36 40.7
45
Tclk_low
36 40.7
45
-
48.0
-
Tsync_period -
20.8
-
Tsync_high
-
1.3
-
Tsync_low
-
19.5
-
Note: 1) Worst case duty cycle restricted to 45/55.
Units
MHz
ns
ps
ns
ns
KHz
µs
µs
µs
IDT™
18
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
STAC9758/9759
V 1.2 1206