參數(shù)資料
型號: L84225
英文描述: L84225 100BaseTX/FX/10BaseT Physical Layer Device technical manual 4/02
中文描述: L84225 100BaseTX/FX/10BaseT物理層設(shè)備的技術(shù)手冊,4月2日
文件頁數(shù): 90/118頁
文件大小: 890K
代理商: L84225
90 of 118
April, 2002
L84225 Quad 100BaseTX/FX/10BaseT Phys. Layer Device - Technical Manual
Copyright 1999-2002 by LSI Logic Corporation. All rights reserved.
T
LPT
TP Differential Output
Link Pulse Voltage
Template
TP Differential Output
Idle Voltage
See
Figure 7
10 Mbps, NLP and FLP
T
OIV
50
mV
10 Mbps, Measured on Sec-
ondary Side of Xfmr in
Figure 11
100 Mbps, UTP with
TLVL[3:0]=1000
100 Mbps, STP with
TLVL[3:0]=1000
10 Mbps, UTP with
TLVL[3:0]=1000
10 Mbps, STP with
TLVL[3:0]=1000
Adjustable with REXT, Relative
to TOIA with REXT=10K
Adjustable with TLVL[3:0]. See
Section 4.3, “TP Transmit Out-
put Current Set.”
Relative to
Value at TLVL[3:0]=1000.
Relative to Ideal Values in Table
2. Values Relative to Output
with TLVL[3:0]=1000.
T
OIA
TP Output Current
38
40
42
mA pk
31.06
32.66
34.26
mA pk
88
100
112
mA pk
71.86
81.64
91.44
mA pk
T
OIR
TP Output Current
Adjustment Range
0.80
1.2
0.86
1.16
T
ORA
TP Output Current
TLVL Step Accuracy
50
%
T
OR
T
OC
TP Output Resistance
TP Output
Capacitance
10K
15
Ohm
pF
Sym.
Parameter
Limit
Unit
Conditions
Min
Typ
Max
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