stac9752xxtaeb2xr Integrated Device Technology, stac9752xxtaeb2xr Datasheet - Page 18

• Manufacturer Part Number: stac9752xxtaeb2xr
• Description: Two-channel, 20-bit, Ac ?97 2.3 Codecs With Microphone And Jack Sensing
• Manufacturer: Integrated Device Technology

IDT™
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
STAC9752/9753
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
2.2.5.
2.2.6.
Setup to falling edge of BIT_CLK
Hold from falling edge of BIT_CLK
Output Valid Data from rising edge of BIT_CLK
Note:
BIT_CLK rise time
BIT_CLK fall time
SDATA_IN rise time
SDATA_IN fall time
(50 pF external load)
Signal Rise and Fall Times
(BIT_CLK: 75 pF external load; from 10% to 90% of Vdd)
(SDATA_IN: 60 pF external load; from 10% to 90% of Vdd)
Data Setup and Hold
Setup and hold time parameters for SDATA_IN are with respect to the AC'97 controller.
SDATA_OUT
Clock Source
SDATA_IN
Digital Video
Figure 6. Signal Rise and Fall Times Timing
BIT_CLK
BIT_CLK
Parameter
Parameter
XTAL
VGA
USB
Figure 5. Data Setup and Hold Timing
SYNC
SDATA_IN
BIT_CLK
tco
Table 2. Common Clocks and Sources
Trisedin
V
Triseclk
ih
18
T
V
hold
V
oh
ol
Symbol
Symbol
Trisedin
Triseclk
Tfalldin
Tfallclk
T
T
setup
tco
hold
V
il
STAC9752/9753
Clock Frequency
T
Tfalldin
14.31818 MHz
Tfallclk
setup
24.576 MHz
12.288 MHz
Min
Min
10
10
27 MHz
48 MHz
-
-
-
-
-
Typ
Typ
-
-
-
-
-
-
-
Max
Max
15
6
6
6
6
-
-
REV 3.3 1206
Units
Units
ns
ns
ns
ns
ns
ns
ns