參數資料
型號: LU3X54FTL-HS208-DB
英文描述: QUAD-FET for 10Base-T/100Base-TX/FX
中文描述: 四核10Base-T/100Base-TX/FX場效應管
文件頁數: 46/54頁
文件大?。?/td> 677K
代理商: LU3X54FTL-HS208-DB
LU3X54FT
QUAD-FET for 10Base-T/100Base-TX/FX
Data Sheet
July 2000
46
Lucent Technologies Inc.
Timing Characteristics (Preliminary)
(continued)
Table 31. Serial 10 Mbits/s Timing for TPIN, CRS, and RX_CLK
5-5293(F).i
Figure 14. Serial 10 Mbits/s Timing for TPIN, CRS, and RX_CLK
Table 32. Serial 10 Mbits/s Timing for TX_EN, TPOUT, CRS, and RX_CLK
5-5293(F).j
Figure 15. Serial 10 Mbits/s Timing for TX_EN, TPOUT, CRS, and RX_CLK
Name
t15
t16
t17
t18
Parameter
Min
40
800
200
400
Max
500
2300
550
1000
Unit
ns
ns
ns
ns
TPIN Activity to CRS Assertion
TPIN Activity to RX_CLK Valid
IDL to CRS Deassertion
Dead Signal to CRS Deassertion
Name
t19
t20
t21
t22
t23
Parameter
Min
50
5
1000
50
250
Max
400
1900
1700
300
350
Unit
ns
ns
ns
ns
ns
TX_EN Asserted to Transmit Pair Activity
TX_EN Asserted to CRS Asserted Due to Internal Loopback
TX_EN Asserted to RX_CLK Valid Due to Internal Loopback
TX_EN Deasserted to IDL Transmission
IDL Pulse Width
TPIN
±
CRS
(RECEIVE—START OF PACKET)
(RECEIVE—END OF PACKET)
(RECEIVE—DEAD SIGNAL)
(NOT IDL)
IDL
t15
t17
t16
t18
RX_CLK
TPOUT
±
CRS
(TRANSMIT—START OF PACKET)
(TRANSMIT—END OF PACKET)
IDL
t19
t22
t20
t21
t23
TX_EN
RX_CLK
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