YMF754 Datasheet, PDF (55/60 Pages) YAMAHA CORPORATION – DS-1E

YMF754
4-4. AC’97 Master Clock (Fig.5)
Item
Symbol Min. Typ. Max. Unit
CMCLK Cycle Time
t_CMCYC
-
40.69
-
ns
CMCLK High Time
t_CMHIGH
8
-
-
ns
CMCLK Low Time
t_CMLOW
8
-
ns
CMCLK Rising Time
t_CMR
-
4.6
-
ns
CMCLK Falling Time
t_CMF
-
2.1
-
ns
Note : Top = 0-70°C, PVDD=3.3±0.3 V, VDD=3.3±0.3 V, CVDD=2.5±0.2 V, LVDD=2.5±0.2 V, C_L=50 pF
t _CMR
CMCLK
t _CMF
0.8 VDD3
0.5 VDD3
0.2 VDD3
t _CMHIGH
t _CMLOW
t _CMCYC
Fig.5: Master Clock timing for AC’97
June 28, 1999
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