LU5X34F
Quad Gigabit Ethernet Transceiver
Timing Characteristics (continued)
Transmitter Section Timing
Preliminary Data Sheet
July 2000
TXCLK*
TX[9:0]
SERIALIZED DATA
155
126
375
34A
155
126
375
SYNTHESIZED CLOCK
* Synchronous with REFCLK(N).
Figure 7. Parallel Interface Transmit Timing
5-8815(F)
Table 15. Transmitter Timing at Parallel Interface
Description
Data Setup
Data Hold
Rise Time
Fall Time
Min
Max
2
—
2
—
—
1
—
1
Unit
Conditions
ns
With positive edge TXCLK
ns
With positive edge TXCLK
ns
—
ns
—
18
Lucent Technologies Inc.