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参数资料
| 型号： | WJLXT908LC.A4 |
| 厂商： | INTEL CORP |
| 元件分类： | 网络接口 |
| 英文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP64 |
| 封装： | ROHS COMPLIANT, LQFP-64 |
| 文件页数： | 13/46页 |
| 文件大小： | 618K |
| 代理商： | WJLXT908LC.A4 |
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Intel
LXT908 Universal 3.3 V 10BASE-T and AUI Transceiver
20
Datasheet
Document #: 249049
Revision #: 003
Rev. Date: 29-Oct-2005
Status outputs are grouped at the lower left of the diagram. Line status outputs drive LED
indicators and the Jabber and Polarity status indicators are available, as required.
Power and ground pins are shown at the bottom of the diagram. A single-power supply is used for
both VCC1 and VCC2, with a decoupling capacitor installed between the power and ground
busses.
An additional power and ground pin (VCCA and GNDA) is supported in designs using the 64-pin
LQFP package. A single-power supply is used for all three power and ground pins (VCC1, VCC2,
VCCA) and (GND1, GND2, GNDA). Please install a decoupling capacitor between each power
and ground buss.
The twisted-pair and AUI interfaces are shown at the upper and lower right of the diagram,
respectively. Impedance matching resistors for 100 UTP are installed in each I/O pair, but no
external filters are required.
Figure 9. LAN Adapter Board - Auto Port Select with External Loopback Control
LXT
9
0
8
20 MHz
20 pF
CLKI
TXD
TPIN
100
Ω
TPIP
1 : 1
116
14
6
5
4
3
2
1
11
9
RJ45
3
6
8
T
o
10
B
A
S
E
-T
T
W
IS
T
E
D
-
P
A
IR
N
E
T
W
O
R
K
1
2
4
5
7
89
10
12
13
15
16
1
2
3
4
5
6
7
8
15
14
13
12
9
10
11
+ 12 V
CIN
CIP
DON
DOP
DIN
DIP
RBIAS
GND2
GND1
TEN
D
-
CO
NNE
CT
O
R
t
o
A
U
IDRO
P
CA
B
L
E
Chassis
Gnd
Fuse
78
Ω
78
Ω
78
Ω
12.4 k
Ω
TCLK
RCLK
RXD
CD
COL
LBK
PAUI
AUTOSEL
NTH
MD2
MD1
DSQE
LI
JAB
PLR
TXD
TXE
TXC
RXC
RXD
CRS
COL
LBK
Green Red
Red
NS8390 BACK-END
CONTROLLER
INTERFACE
LOOPBACK
ENABLE
PROGRAMMING
OPTIONS
MODE SELECT
LINE STATUS
1 %
+3.3V
LEDC/FDE
LEDR
LEDT/PDN
LEDL
VCC1
VCC2
CLKO
330
1 : 2
TEST
TPONA
TPONB
TPOPA
TPOPB
11.5
Ω 1%
11.5
Ω 1%
MD0
Bias resistor RBIAS should be located close to the pin and isolated from other signals.
1
220pF
0.1
μF
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| WJLXT908LE.A4 | 功能描述:IC 3V 10BASE-T/AUI TXCVR 64-LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:1,000 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) |
| WJLXT908LE.A4-865811 | 制造商:Cortina Systems Inc 功能描述:Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps 64-Pin LQFP |
| WJLXT908LE.A4-865812 | 制造商:Cortina Systems Inc 功能描述:LXT908 UNIVERSAL ETHERNET INTE |
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| WJLXT971ALC.A4 | 功能描述:IC TRANS 3.3V ETHERNET 64-LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:25 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:4.5 V ~ 5.5 V 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 供应商设备封装:16-PDIP 包装:管件 |
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