VSC7216-02
Data Sheet
ELECTRICAL SPECIFICATIONS
AC Characteristics
REFCLK
(DUAL = 0)
REFCLK
(DUAL = 1)
Internal Clock
(from PLL)
t
t
2
t
t
1
2
1
Tn[7:0]
C/Dn
Valid
Valid
Valid
WSENn
Figure 15. Transmit Input Timing Waveforms with TMODE = 000
TBCn
(or TBCA)
Internal Clock
(from PLL)
t
t
2
t
t
1
2
1
Tn[7:0]
C/Dn
WSENn
Valid
Valid
Valid
Figure 16. Transmit Input Timing Waveforms with TMODE = 10X
Table 12. Transmit Input AC Characteristics with TMODE = 000 or TMODE = 10X
Symbol
Parameter
Min
Typ
Max
Units
Condition
t1
Input setup time to the rising edge of
REFCLK or TBCn
Measured between the
valid data level of the
input and the 1.4V point
of REFCLK or TBCn.
1.5
ns
t2
Input hold time after the rising edge of
REFCLK or TBCn
1.0
ns
22 of 40
G52367 Revision 4.2
December 2006
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
