VSC8601 Datasheet
Electrical Specifications
Table 75.
AC Characteristics for RGMII Compensated (continued)
Parameter
Symbol Minimum Typical Maximum Unit Condition
Data to clock output
hold (at PHY
tHOLDR
1.0
2.0
3
ns
integrated delay)
TX_CLK switching
threshold
vTHRESH
1.25
1.65
V
V
VDDIOMAC = 2.5 V
VDDIOMAC = 3.3 V
Figure 22.
RGMII Compensated Timing
Delay = 2.0 ns
TX_CLK with
Internal
Delay Added
TX_CLK (at Transmitter)
TXD[3:0]
TSETUP
T
TXD[3:0]
TXEN
TXD[7:4]
TXERR
T
HOLDT
TX_CTL
THOLD
R
TX_CLK (at Receiver)
VTHRESH
TSETUP
R
Delay = 2.0 ns
RX_CLK with
Internal
Delay Added
RX_CLK (at Transmitter)
RXD[3:0]
TSETUP
T
RXD[3:0]
RXEN
RXD[7:4]
RXERR
T
HOLDT
RX_CTL
THOLD
R
RX_CLK (at Receiver)
5.4
Operating Conditions
The following table lists the recommended operating conditions for the VSC8601
device.
Table 76.
Recommended Operating Conditions
Parameter
Symbol
Minimum
Typical
Maximum Unit
Power supply voltage for VDDIOMICRO VDDIOMICRO
at 2.5 V
2.37
2.5
2.63
V
Revision 4.1
September 2009
Page 82
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
