lxt971a Intel Corporation, lxt971a Datasheet - Page 54

• Manufacturer Part Number: lxt971a
• Description: 3.3v Dual-speed Fast Ethernet Phy Transceiver
• Manufacturer: Intel Corporation

LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver
54
Figure 26. Typical LXT971A-to-5 V Fiber Transceiver Interface Circuitry
1. Refer to the transceiver manufacturer’s recommendations for termination circuitry.
2. See
LXT971A
TPFON
TPFOP
SD/TP
TPFIN
TPFIP
Figure 27
+3.3V
for recommended logic translator interface circuitry.
:
:
PF
PF
+3.3V
+3.3V
2
:
PF
PF
:
:
ON Semiconductor
PECL-to-LVPECL
Logic Translator
MC100LVEL92
PF
PF
:
:
PF
PF
k:
k:
:
k:
+5V
:
k:
TD +
Fiber Txcvr
TD -
RD +
RD -
SD
PF
PF
1
Rev. Date: August 7, 2002
Document #: 249414
Revision #: 002
Datasheet