BCM5248 Broadcom Corporation, BCM5248 Datasheet
BCM5248
Manufacturer Part Number
BCM5248
Description
TRANSCEIVER
Manufacturer
Broadcom Corporation
Datasheet
1.BCM5248.pdf
(2 pages)
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Eight-port 10BASE-T/100BASE-TX/100BASE-FX
transceiver
HP Auto-MDIX automatically uncrosses cable pairs
Advanced CableChecker™ cable diagnostics software
diagnoses and pinpoints cable faults to reduce supports calls
Optimized for use with Broadcom's StrataSwitch™ Family
Cost effective process technology: 0.18u CMOS
Serial Media Independent Interface (SMII) and Source
Synchronous SMII (SSSMII)
Fully programmable LED drivers and serial LED output
Low power: 200 mW per port
Low-voltage core: 1.8V
QFP or BGA package options
Most widely deployed and reliable PHY architecture: Over a
billion Broad-Φ™ ports shipped
BCM5461
Gigabit
PHY
10/100BASE-TX OCTAL-Φ™ TRANSCEIVER
F E A T U R E S
GMII
Magnetics
Quad
BCM5248
24-Port 10/100BASE-T Ethernet Switch Example
OCTAL-
®
EPIC
Magnetics
RJ45 Stacked 2x6
Quad
STRATASWITCH
Magnetics
Quad
BCM5248
www.DataSheet4U.com
OCTAL-
EPIC
BCM5248
Magnetics
Quad
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Target usage: Fast Ethernet switches.
Low-power dual-supply 2.5V/1.8V CMOS technology.
Smallest footprint per port available.
Measures 14 mm x 20 mm for eight ports.
Single-chip device contains eight independent Fast Ethernet
transceivers.
Performs all physical layer interface functions for 100BASE-
TX full-duplex or half-duplex Ethernet on category 5
unshielded twisted-pair (UTP) cable, 10BASE-T full-duplex or
half-duplex Ethernet on category 3, 4, or 5 UTP cable, and
100BASE-FX full-duplex or half-duplex on fiber optic cable.
Compliant with IEEE 802.3 standard.
IEEE 1149.1 (JTAG) scan chain support.
Fully customizable LED functions. Up to 8 LED signals per
port.
RJ45 Stacked 2x6
S U M M A R Y O F B E N E F I T S
Magnetics
Quad
BCM5248
OCTAL-
EPIC
Magnetics
Quad
GMII
BCM5461
Gigabit
PHY
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BCM5248 Summary of contents
Page 1
... Fully customizable LED functions LED signals per port. STRATASWITCH EPIC BCM5248 OCTAL- Quad Quad Quad Magnetics Magnetics Magnetics RJ45 Stacked 2x6 RJ45 Stacked 2x6 GMII BCM5461 Gigabit EPIC PHY BCM5248 OCTAL- Quad Quad Magnetics Magnetics ...
Page 2
... BCM5248 also supports a serial LED driver output that can be used to drive up to eight LEDs per port, to indicate the status of link, speed, duplex, transmit or receive activity, or arbitrary functions programmed by the user. The BCM5248 is offered in a 128 PQFP and a 256-ball BGA package. ® ...