參數(shù)資料
型號: L80227
廠商: LSI CORP
元件分類: 網(wǎng)絡(luò)接口
英文描述: 10BASE-T/100BASE-TX Ethernet Physical Layer Device (PHY)(10BASE-T/100BASE-TX 以太網(wǎng)物理層處理器)
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封裝: LQFP-64
文件頁數(shù): 107/158頁
文件大?。?/td> 1084K
代理商: L80227
Draft 6/5/00
AC Electrical Characteristics
6-9
Copyright 1999 by LSI Logic Corporation. All rights reserved.
6.3.1 25 MHz Input/Output Clock Timing Characteristics
Figure 6.1
25 MHz Output Timing
6.3.2 Transmit Timing Characteristics
Table 6.7
shows the Transmit AC timing parameters. See
Figure 6.2 and
Figure 6.3
for the 100 Mbits/s and 10 Mbits/s transmit timing diagrams.
Table 6.6
25 MHz Input/Output Clock
1
Sym
Parameter
Limit
Unit
Conditions
Min
Typ
Max
t1
OSCIN Period
39.996
40
40.004
ns
Clock applied to OSCIN
t2
OSCIN High Time
16
ns
Clock applied to OSCIN
t3
OSCIN Low Time
16
ns
Clock applied to OSCIN
t4
OSCIN to TX_CLK
Delay
10
ns
100 Mbits/s
20
ns
10 Mbits/s
1. Refer to
Figure 6.1
for Timing Diagram
OSCIN
t
1
t
2
t
3
TX_CLK
(100 Mbits/s)
t
4
t
4
t
4
TX_CLK
(10 Mbits/s)
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