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Part Number: LU6612
Description: The LU6612 is a single-channel, single-chip complete transceiver designed specifically for dual-speed ...
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LU6612
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General Description
LU6612 General Description
The LU6612 is a single-channel, single-chip complete transceiver designed specifically for dual-speed 10Base-T and 100Base-TX repeaters and switches. LU6612 implements:
The 10Base-T transceiver function of IEEE 802.3u.
The physical coding sublayer (PCS) of IEEE 802.3u.
The physical medium attachment (PMA) of IEEE 802.3u.
Autonegotiation of IEEE 802.3u.
MII management of IEEE 802.3u.
Physical medium dependent (PMD) of IEEE 802.3u.
This device supports operation over category 3 unshielded twisted-pair (UTP) cable, according to IEEE 802.3u 10Base-T specification, and over category 5, Type 1, UTP and Type 1 shielded twisted-pair cable, according to IEEE 802.3u 100Base-X specification. Figure 1 illustrates a functional overview of the LU6612 while Figure 2 details the functions. Figure 3 shows how the LU6612 interfaces to the twisted pair.
LU6612 Maximum Ratings
|
Parameter |
Min |
Symbol |
Max |
Unit |
|
Ambient Operating Temperature |
0 |
T A |
70 |
°C |
|
Storage Temperature |
-40 |
T stg |
125 |
°C |
|
Voltage on Any Pin with Respect to Ground |
-0.5 |
- |
V DD + 0.5 |
V |
|
Maximum Supply Voltage |
- |
- |
5.5 |
V |
LU6612 Features
10 Mbits/s Transceiver
Compatible with IEEE * 802.3u 10Base-T standard for twisted-pair cable
Autopolarity detection and correction
Adjustable squelch level for extended wire line length capability (2 levels)
Interfaces with IEEE 802.3u media independent interface (MII)
On-chip filtering eliminates the need for external filters
Half- and full-duplex operations
100 Mbits/s Transceiver
Compatible with IEEE 802.3u MII (clause 22), PCS (clause 23), PMA (clause 24), autonegotiation (clause 28), and PMD (clause 25) specifications
Scrambler/descrambler bypass
Encoder/decoder bypass
3-statable MII in 100 Mbits/s mode
Selectable carrier sense signal generation (CRS asserted during either transmission or reception
half duplex, CRS asserted during reception only full duplex)
Selectable MII or 5-bit code group interface
Half- or full-duplex operations
On-chip filtering and adaptive equalization that eliminates the need for external filters
Compatible with IEEE * 802.3u 10Base-T standard for twisted-pair cable
Autopolarity detection and correction
Adjustable squelch level for extended wire line length capability (2 levels)
Interfaces with IEEE 802.3u media independent interface (MII)
On-chip filtering eliminates the need for external filters
Half- and full-duplex operations
100 Mbits/s Transceiver
Compatible with IEEE 802.3u MII (clause 22), PCS (clause 23), PMA (clause 24), autonegotiation (clause 28), and PMD (clause 25) specifications
Scrambler/descrambler bypass
Encoder/decoder bypass
3-statable MII in 100 Mbits/s mode
Selectable carrier sense signal generation (CRS asserted during either transmission or reception
half duplex, CRS asserted during reception only full duplex)
Selectable MII or 5-bit code group interface
Half- or full-duplex operations
On-chip filtering and adaptive equalization that eliminates the need for external filters
LU6612 Connection Diagram
LU6612
PDF/DataSheet Download
- Datasheet: LU6612
- File Size: 541238 KB
- Manufacturer: AGERE [Agere Systems]
- Click here to Download
- ·LU6612-T64-DB
- AGERE [Agere Systems]
- LU6612 FASTCAT TM Single-FET for 10Base-T/100Base-TX
- 541238 KB
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