參數(shù)資料
型號(hào)： LXT970A
廠商： Intel Corp.
英文描述： Dual-Speed Fast Ethernet Transceiver
中文描述： 雙速度快速以太網(wǎng)收發(fā)器
文件頁(yè)數(shù)： 49/74頁(yè)
文件大?。?/td> 1061K
代理商： LXT970A
Dual-Speed Fast Ethernet Transceiver
—
LXT970A
Datasheet
49
Table 26. Low Voltage Fault Detect Characteristics
Parameter
Sym
Min
Typ
1
Max
Units
Test Conditions
Detect Fault Threshold
V
LT
3.4
–
4.0
V
–
Clear Fault Threshold
V
LH
4.1
–
4.7
V
–
1. Typical values are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
Table 27. 100BASE-TX Transceiver Characteristics
Parameter
Sym
Min
Typ
1
Max
Units
Test Conditions
Peak Differential Output Voltage
V
OP
0.95
–
1.05
V
Note 2
Signal Amplitude Symmetry
Vss
98
–
102
%
Note 2
Signal Rise/Fall Time
T
RF
3.0
–
5.0
ns
Note 2
Rise/Fall Time Symmetry
T
RFS
–
–
0.5
ns
Note 2
Duty Cycle Distortion
D
CD
–
–
± 0.5
ns
Offset from 16ns
pulse width at 50% of
pulse peak
Overshoot/Undershoot
V
OS
–
–
5
%
–
1. Typical values are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
2. Measured at the line side of the transformer, line replaced by 100
(±1%) resistor.
Table 28. 100BASE-FX Transceiver Characteristics
Parameter
Sym
Min
Typ
1
Max
Units
Test Conditions
Transmitter
Peak Differential Output Voltage
(Single Ended)
V
OP
0.6
–
1.0
V
–
Signal Rise/Fall Time
T
RF
–
–
1.6
ns
10 <
–
> 90%
2.0 pF load
Jitter (Measured Differentially)
–
–
–
1.3
ns
–
Receiver
Peak Differential Input Voltage
V
IP
0.55
–
1.5
V
–
Common-Mode Input Range
V
CMIR
2.25
–
VCC - 0.5
V
–
1. Typical values are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
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LXT971A 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:3.3V Dual-Speed Fast Ethernet PHY Transceiver
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