ymf744 ETC-unknow, ymf744 Datasheet - Page 55

• Manufacturer Part Number: ymf744
• Description: Ds-1s
• Manufacturer: ETC-unknow

YMF744B
4-4. AC’97 Master Clock
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
CMCLK Cycle Time
CMCLK High Time
CMCLK Low Time
CMCLK Rising Time
CMCLK Falling Time
Item
CMCLK
t
CMR
(Fig.5)
Fig.5: Master Clock timing for AC’97
Symbol
t
t
t
CMHIGH
CMLOW
CMCYC
t
t
CMR
CMF
t
CMHIGH
Min.
-55-
8
8
-
-
-
t
CMCYC
40.69
0.8 V
Typ.
t
4.6
2.1
CMLOW
-
t
CMF
DD3
Max.
-
-
-
-
-
0.2 V
0.5 V
DD3
DD3
Unit
ns
ns
ns
ns
ns
February 3, 1999
L
=50 pF