WJLXT971ALE.A4 Cortina Systems Inc, WJLXT971ALE.A4 Datasheet - Page 72

• Manufacturer Part Number: WJLXT971ALE.A4
• Manufacturer: Cortina Systems Inc

Specifications of WJLXT971ALE.A4

• Lead Free Status / RoHS Status: Compliant

LXT971A PHY
Datasheet
249414, Revision 5.2
13 September 2007
Figure 34
Table 38
Cortina Systems
10BASE-T Transmit Timing
10BASE-T Transmit Timing Parameters
®
TXD, TX_EN, TX_ER setup to
TX_CLK High
TXD, TX_EN, TX_ER hold from
TX_CLK High
TX_EN sampled to CRS asserted
TX_EN sampled to CRS de-asserted
TX_EN sampled to TPFO out (Tx
latency)
1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production
2. BT (Bit Time) is the duration of one bit as transferred to and from the MAC and is the reciprocal of the bit
LXT971A Single-Port 10/100 Mbps PHY Transceiver
TX_EN,
TX_ER
TX_CLK
testing.
rate. 10BASE-T bit time = 10
TPFO
TXD,
CRS
Parameter
t
1
t
3
-7
s or 100 ns.
t
5
Symbol
t1
t2
t3
t4
t5
Min
10
0
–
–
–
t
Typ
2
72.5
–
–
2
1
1
Max
–
–
–
–
–
7.2 AC Timing Diagrams and
t
4
Units
BT
BT
BT
ns
ns
2
Test Conditions
B3459-01
Parameters
–
–
–
–
–
Page 72