參數(shù)資料
型號: 84221
英文描述: 84221 Quad 10/100 Mbps TX/FX/10BT (PHY) manual 1/99
中文描述: 84221四10/100 Mbps的TX/FX/10BT(PHY)的手冊1 / 99
文件頁數(shù): 51/70頁
文件大?。?/td> 1017K
代理商: 84221
51
MD400184/A
84221
Twisted Pair Characteristics, Transmit
Unless otherwise noted, all test conditions are as follows:
1. T
A
= 0 to +70
C
2. V
DD
= 3.3 V +5%
3. 25 MHz +0.01%
4. REXT=10K +1%, no load
5. TPOP/N Loading Shown in Figure 12 or Equivalent
o
LIMIT
TYP
1.000
SYM
T
OV
PARAMETER
MIN
0.950
MAX
1.050
UNIT
V pk
CONDITIONS
TP Differential Output Voltage
100 Mbps, UTP Mode, 100 Ohm Load
1.165
2.2
2.694
98
1.225
2.5
3.062
1.285
2.8
3.429
102
V pk
V pk
V pk
%
100 Mbps, STP Mode, 150 Ohm Load
10 Mbps, UTP Mode, 100 Ohm Load
10 Mbps, STP Mode, 150 Ohm Load
100 Mbps, Ratio of Positive And
Negative Amplitude Peaks on TPOP/N
100 Mbps
T
OVS
TP Differential Output Voltage
Symmetry
TP Differential Output Rise
And Fall Time
TP Differential Output Rise
And Fall Time Symmetry
TP Differential Output Duty
Cycle Distortion
T
ORF
3.0
5.0
nS
T
ORFS
+0.5
nS
100 Mbps, Difference Between Rise
And Fall Times on TPOP/N
100 Mbps, Output Data=0101...
NRZI Pattern Unscrambled,
Measure At 50% Points
100 Mbps, Output Data=Scrambled /H/
100 Mbps
T
ODC
+0.25
ns
T
T
OJ
TP Differential Output Jitter
TP Differential Output
Overshoot
TP Differential Output Voltage
Template
TP Differential Output SOI
Voltage Template
TP Differential Output Link
Pulse Voltage Template
TP Differential Output Idle
Voltage
TP Output Current
+0.7
5.0
ns
%
OO
T
OVT
See Figure 4
10 Mbps
T
SOI
See Figure 6
10 Mbps
T
LPT
See Figure 7
10 Mbps, NLP and FLP
T
OIV
50
mV
10 Mbps, Measured on Secondary Side
of Xfmr in Figure 12
mA pk 100 Mbps, UTP with TLVL[3:0]=1000
mA pk 100 Mbps, STP with TLVL[3:0]=1000
mA pk 10 Mbps, UTP with TLVL[3:0]=1000
mA pk 10 Mbps, STP with TLVL[3:0]=1000
Adjustable with REXT,
Relative to T
OIA
with REXT=10K
Adjustable with TLVL[3:0].
See Section 4.3.
Relative to Value at TLVL[3:0]=1000.
%
Relative to Ideal Values in
Table 2. Values Relative to Output with
TLVL[3:0]=1000.
Ohm
pF
T
OIA
38
40
42
31.06
88
71.86
0.80
32.66
100
81.64
34.26
112
91.44
1.2
T
OIR
TP Output Current Adjustment
Range
0.86
1.16
T
ORA
TP Output Current TLVL Step
Accuracy
+50
T
T
OR
TP Output Resistance
TP Output Capacitance
10K
15
OC
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