LU5X34F Datasheet, PDF (17/26 Pages) Agere Systems – Quad Gigabit Ethernet Transceiver

Preliminary Data Sheet
July 2000
LU5X34F
Quad Gigabit Ethernet Transceiver
Timing Characteristics (continued)
Receiver Section Timing
HDNIP
RECOVERED CLOCK
(INTERNAL)
RXCLK1
K28.5
D7.2
D0.0
D1.0
RXCLK0
RX[9:0]
K28.5
D7.2
COMDET
Figure 5. Receiver Section Timing
Receiver Port Timing
RXCLK PERIOD
RXCLK1 LOW
RXCLK1 HIGH
RXCLK1
5-8813 (F)
RXCLK0
RX
tSKEW
RX0
RX1
RX2
tS
tH
Figure 6. Receiver Port Timing
RX3
tS
tH
Table 14. Receiver Parallel Port Timing
Symbol
Parameter
Min
Max
—
RXCLK[1:0] Frequency*
—
62.5
—
RXCLK[1:0] Low
7.0
9.0
—
RXCLK[1:0] High
7.0
9.0
tR/F
RXCLK[1:0] (0.4 V to 2.6 V)^†
0.2
0.5
tR/F
Data Output (0.4 V to 2.6 V)^†
0.2
0.5
tS
Setup Time
3.0
—
tH
Hold Time
2.0
—
tSKEW Skew
—
1.0
* 1.25 Gbits/s.
† 0.5 pF load.
Lucent Technologies Inc.
5-8814(F)
Units
MHz
ns
ns
ns
ns
ns
ns
ns
17