參數(shù)資料
型號: LQ80221
英文描述: LAN Transceiver
中文描述: 網(wǎng)絡(luò)收發(fā)器
文件頁數(shù): 60/91頁
文件大?。?/td> 907K
代理商: LQ80221
80220/80221
MD400159/E
60
TRANSMIT TIMING CHARACTERISTICS
Refer to Figure 17-18 for Timing Diagram
LIMIT
TYP
40
400
20
200
20
200
SYM
t
11
PARAMETER
TX_CLK Period
MIN
39.996
399.96
16
160
16
160
MAX
40.004
400.04
24
240
24
240
10
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS pk-pk
nS pk-pk
nS
CONDITIONS
100 Mbps
10 Mbps
100 Mbps
10 Mbps
100 Mbps
10 Mbps
t
12
TX_CLK Low Time
t
13
TX_CLK High Time
t
14
t
15
t
16
t
17
TX_CLK Rise/Fall Time
TX_EN Setup Time
TX_EN Hold Time
CRS During Transmit
Assert Time
15
0
40
400
160
900
100 Mbps
10 Mbps
100 Mbps
10 Mbps
t
18
CRS During Transmit
Deassert Time
t
19
t
20
t
21
t
22
t
23
TXD Setup Time
TXD Hold Time
TX_ER Setup Time
TX_ER Hold Time
Transmit Propagation Delay
15
0
15
0
60
140
140
600
±
0.7
±
5.5
100 Mbps, MII
100 Mbps, FBI
10 Mbps
100 Mbps
10 Mbps
10 Mbps
t
24
Transmit Output Jitter
t
25
Transmit SOI Pulse
Width To 0.3V
Transmit SOI Pulse
Width to 40 mV
PLEDn Delay Time
250
t
26
4500
nS
10 Mbps
t
27
25
mS
PLEDn Programmed For
Activity
PLEDn Programmed For
Activity
t
28
PLEDn Pulse Width
80
105
mS
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