3X38FTR Datasheet, PDF (8/64 Pages) Agere Systems – OCTAL-FET (Fast Ethernet Transceiver) for 10Base-T/100Base-TX/FX

3X38FTR 208-Pin SQFP
OCTAL-FET for 10Base-T/100Base-TX/FX
Preliminary Data Sheet
September 2000
Description (continued)
Block Diagrams
Single-Channel Twisted-Pair Interface
3X38
TPOUT+
6 pF
TPOUT–
TPIN+
50 Ω
50 Ω
TPIN–
VDDO
1:1
51.1 Ω
51.1 Ω
0.01 µF
75 Ω
1:1
0.01 µF
0.01 µF
75 Ω
75 Ω
RJ-45
1
2
3
4
5
6
7
8
75 Ω
1000 pF 2 kV
Figure 3. Typical Single-Channel Twisted-Pair (TP) Interface
5-5433(F).sr1
8
Lucent Technologies Inc.