lxt9785 Intel Corporation, lxt9785 Datasheet - Page 185

• Manufacturer Part Number: lxt9785
• Description: Advanced 8-port 10/100 Mbps Phy Transceivers
• Manufacturer: Intel Corporation

Datasheet
Document Number: 249241
Revision Number: 007
Revision Date: August 28, 2003
Figure 48. Intel
Table 69. Intel
TxSYNC setup to TxCLK rising edge and
TxData setup to TxCLK rising edge
TxSYNC hold from TxCLK rising edge and
TxData hold to TxCLK rising edge
TxData to TPFO Latency
NOTE: The table latency values are derived with the hardware configuration pins FIFOSEL[1:0] set at a
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production
2. “BT” signifies bit times at the line rate (that is, BT = 100 ns if using 10BASE-T, BT = 10 ns if using
testing.
100BASE-TX or 100BASE-FX).
®
®
LXT9785/LXT9785E SS-SMII - 100BASE-FX Transmit Timing Parameters
LXT9785/LXT9785E SS-SMII - 100BASE-FX Transmit Timing
default configuration of 00 (32 bits of initial fill).
TxSYNC
TxData
TxCLK
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
TPFO
Parameter
t
1
t
2
t
3
Sym
t1
t2
t3
Min
1.5
1.0
–
Typ
11
t
–
–
1
1
t
2
Max
13
–
–
Units
BT
ns
ns
2
Test Conditions
–
–
–
187