參數(shù)資料
型號: L80227
廠商: LSI CORP
元件分類: 網(wǎng)絡接口
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): 117/158頁
文件大?。?/td> 1084K
代理商: L80227
Draft 6/5/00
AC Electrical Characteristics
6-19
Copyright 1999 by LSI Logic Corporation. All rights reserved.
6.3.4 Collision and JAM Timing Characteristics
Table 6.9
shows the Collision and JAM timing parameters. See
Figure 6.9
through
Figure 6.13
for the associated timing diagrams.
s
Table 6.9
Collision and Jam Timing
LIMIT
SYM
PARAMETER
MIN
TYP
MAX
UNIT
CONDITIONS
t51
Rcv Packet Start To
COL Assert Time
200
ns
100 Mbits/s
700
ns
10 Mbits/s
t52
Rcv Packet Stop To
COL Deassert Time
130
240
ns
100 Mbits/s
300
ns
10 Mbits/s
t53
Xmt Packet Start To
COL Assert Time
200
ns
100 Mbits/s
700
ns
10 Mbits/s
t54
Xmt Packet Stop To
COL Deassert Time
240
ns
100 Mbits/s
300
ns
10 Mbits/s
t55
PLEDn Delay Time
25
ms
PLEDn Programmed For
Collision
t56
PLEDn Pulse Width
80
105
ms
PLEDn Programmed For
Collision
t57
Collision Test Assert
Time
5120
ns
t58
Collision Test
Deassert Time
40
ns
t59
1
1. Timing not shown
CRS Assert To
Transmit
JAM Packet Start
During JAM
300
ns
100 Mbits/s
800
ns
10 Mbits/s
t60
1
COL Rise And Fall
Time
10
ns
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