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YMF744B
4-4. AC'97 Master Clock
Item
CMCLK Cycle Time
CMCLK High Time
CMCLK Low Time
CMCLK Rising Time
CMCLK Falling Time
Note : Top = 0-70°C, PVDD=3.3±0.3 V, VDD=3.3±0.3 V, CVDD=3.3±0.3 V, LVDD=3.3±0.3 V, C
(Fig.5)
Symbol
t
CMCYC
t
CMHIGH
t
CMLOW
t
CMR
t
CMF
t
CMR
CMCLK
t
CMHIGH
Fig.5: Master Clock timing for AC'97
Min.
Typ.
Max.
-
40.69
-
8
-
-
8
-
-
4.6
-
-
2.1
-
t
CMF
0.8 V
DD3
t
CMLOW
t
CMCYC
-55-
Unit
ns
ns
ns
ns
ns
=50 pF
L
0.5 V
DD3
0.2 V
DD3
February 3, 1999
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