3X38FTR Datasheet, PDF (26/64 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
Pin Descriptions (continued)
Table 9. Power, Ground, and No Connects
Pin
124, 127, 128, 133, 137, 140,
143, 147, 150, 153, 156, 185,
190, 191
127
15, 30, 45, 60, 71, 82, 167, 174,
193, 202
Magnetics Center Taps
Signal
VDDA
VDDPLL
VDD
VDDO
1, 65, 87, 88, 90, 92, 96, 98,
VSS
100, 102, 104, 121, 125, 130,
134, 144, 157, 158, 159, 160,
192, 194
89, 91, 93, 94, 95, 97, 99, 101,
NC
103
Type
Description
PWR Analog power 3.3 V ± 5%.
PWR Phase-locked loop power 3.3 V ± 5%.
PWR Digital power 3.3 V ± 5%.
PWR
GND
TP driver output power 3.3 V ± 5%. Connected to cen-
tral tap of TP driver output transformer and 51 Ω termi-
nating resistor.
Ground.
NC No connects listed here are for RMII mode only. May be
different in SMII mode.
26
Lucent Technologies Inc.