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| 型號(hào)： | LXT972A |
| 廠商： | Intel Corp. |
| 英文描述： | 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet |
| 中文描述： | 3.3雙速快速以太網(wǎng)收發(fā)器數(shù)據(jù)表 |
| 文件頁數(shù)： | 45/70頁 |
| 文件大小： | 833K |
| 代理商： | LXT972A |
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3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
—
LXT972A
Datasheet
45
Table 18. Digital I/O Characteristics
1
Parameter
Symbol
Min
Typ
2
Max
Units
Test Conditions
Input Low voltage
V
IL
–
–
0.8
V
–
Input High voltage
V
IH
2.0
–
–
V
–
Input current
I
I
-10
–
10
μ
A
0.0 < V
I
< V
CC
Output Low voltage
V
OL
–
–
0.4
V
I
OL
= 4 mA
Output High voltage
V
OH
2.4
–
–
V
I
OH
= -4 mA
1. Applies to all pins except MII, LED and XI/XO pins. Refer to
Table 19
for MII I/O Characteristics,
Table 20
for XI/XO and
Table
21
for LED Characteristics.
2. Typical values are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
Table 19. Digital I/O Characteristics - MII Pins
Parameter
Symbol
Min
Typ
1
Max
Units
Test Conditions
Input Low voltage
V
IL
–
–
0.8
V
–
Input High voltage
V
IH
2.0
–
–
V
–
Input current
I
I
-10
–
10
μ
A
0.0 < V
I
< VCCIO
Output Low voltage
V
OL
–
–
0.4
V
I
OL
= 4 mA
Output High voltage
V
OH
2.2
–
–
V
I
OH
= -4 mA, VCCIO = 3.3V
V
OH
2.0
–
–
V
I
OH
= -4 mA, VCCIO = 2.5V
Driver output resistance
(Line driver output enabled)
R
O
2
–
100
–
VCCIO = 2.5V
R
O
2
–
100
–
VCCIO = 3.3V
1. Typical values are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
2. Parameter is guaranteed by design; not subject to production testing.
Table 20. I/O Characteristics - REFCLK/XI and XO Pins
Parameter
Sym
Min
Typ
1
Max
Units
Test Conditions
Input Low Voltage
V
IL
–
–
0.8
V
Input High Voltage
V
IH
2.0
–
–
V
Input Clock Frequency Tolerance
2
f
–
–
±
100
65
ppm
Input Clock Duty Cycle
2
Tdc
35
–
%
Input Capacitance
C
IN
–
3.0
–
pF
1. Typical values are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
2. Parameter is guaranteed by design; not subject to production testing.
Table 21. I/O Characteristics - LED/CFG Pins
Parameter
Sym
Min
Typ
Max
Units
Test Conditions
Output Low Voltage
Vol
–
–
0.4
V
I
OL
= 10 mA
Output High Voltage
Voh
2.4
–
–
V
I
OH
= -10 mA
Input Current
I
I
-10
–
10
μ
A
0 < V
I
< VCCIO
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PDF描述 |
|---|---|
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| LXT9784 | Transceiver Hardware Integrity Function Overview |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LXT972ALC | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:3.3V Dual-Speed Fast Ethernet Transceiver Datasheet |
| LXT972LCHFB8 | 制造商:LEVEL_ONE 功能描述: |
| LXT972M | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Single-Port 10/100 Mbps PHY Transceiver |
| LXT973QC | 制造商:Intel 功能描述:LAN Transceiver, Dual, 100 Pin, Plastic, QFP |
| LXT974 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Fast Ethernet 10/100 Quad Transceivers |
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