ELLXT971ABE.A4 Intel, ELLXT971ABE.A4 Datasheet - Page 64

• Manufacturer Part Number: ELLXT971ABE.A4
• Description: IC TRANS 3.3V ETHERNET 64-BGA
• Manufacturer: Intel
• Type: PHY Transceiverr

Specifications of ELLXT971ABE.A4

• Number Of Drivers/receivers: 1/1
• Protocol: IEEE 802
• Voltage - Supply: 3.14 V ~ 3.45 V
• Mounting Type: Surface Mount
• Package / Case: 64-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 870479

Intel
64
Figure 23. Intel
®
LXT971A Single-Port 10/100 Mbps PHY Transceiver
1. Center tap current may be supplied from 3.3 V VCCA as shown. Additional power savings may
2. The 100 Ω transmit load termination resistor typically required is integrated in the LXT971A
3. Magnetics without a receive pair center tap do not require a 2 kV termination.
4. RJ-45 connections shown for standard NIC. TX/RX crossover may be required for repeater and
®
Intel® LXT971A
be realized by supplying the center tap from a 2.5 V current source. A separate ferrite bead (rated
at 50 mA) should be used to supply center-tap current.
Transceiver.
switch applications.
LXT971A Transceiver Typical Twisted-Pair Interface - NIC
Transceiver
TPFON
TPFOP
VCCA
TPFIN
TPFIP
GND
0.1μF
270 pF 5%
270 pF 5%
0.1μF
2
50Ω 1%
50Ω 1%
0.01 μF
.01μF
1
1:1
1:1
3
*
*
50 Ω
50 Ω
* = 0.001 μF / 2.0 kV
Document Number: 249414-003
Revision Date: June 18, 2004
50 Ω
50 Ω
50 Ω
50 Ω
B3398-01
RJ-45
4
8
7
6
5
4
3
2
1
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