ICE1232 IC Ensemble, ICE1232 Datasheet - Page 12

• Manufacturer Part Number: ICE1232
• Description: ac 97 2.1 VSR Audio Codec With 3D
• Manufacturer: IC Ensemble

IC Ensemble, Inc .
AC Timing Characteristics ( continued... )
Note:
12
Table 13. Setup and Hold
Table 14. Rise and Fall Time
Symbol
T
T
Symbol
T
T
SETUP
SETUP
T
T
T
T
T
T
T
T
HOLD
HOLD
RISE
FALL
RISE
FALL
RISE
FALL
RISE
FALL
1
2
SDATA_IN seup and hold calculations determined by AC’97 controller propagation delay.
1
2
SDATA_OUT Setup to falling edge of BIT_CLK
SDATA_OUT Hold from falling edge of BIT_CLK
SYNC Setup to rising edge of BIT_CLK
SYNC Hold to rising edge of BIT_CLK
SYNC rise time
SYNC fall time
SDATA_IN rise time
SDATA_OUT fall time
SDATA_OUT rise time
SDATA_OUT fall time
BIT_CLK rise time
BIT_CLK fall time
SDATA_OUT
SDATA_IN,
BIT_CLK
SDATA_OUT
SYNC
SDATA_IN,
BIT_CLK,
SYNC
Parameter
Parameter
T
SETUP
Figure 8. Rise Time and Fall Time
Figure 7. Setup and Hold Time
1
T
SETUP
T
T
RISE
HOLD
2
1
Min
Min
15
15
5
5
2
2
2
2
2
2
2
2
T
FALL
T
HOLD
Typ
Typ
2
Max
Max
Preliminary
6
6
6
6
6
6
6
6
Rev. 1.5, 1/10/00
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns