BCM5248 Datasheet, PDF (1/2 Pages) Broadcom Corporation. – 10/100BASE-TX OCTAL-Φ TRANSCEIVER

BCM5248
®
10/100BASE-TX OCTAL-Φ™ TRANSCEIVER
FEATURES
SUMMARY OF BENEFITS
• _{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
• _{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.
24-Port 10/100BASE-T Ethernet Switch Example
BCM5461
Gigabit
PHY
GMII
EPIC
STRATASWITCH
EPIC
EPIC
GMII
BCM5461
Gigabit
PHY
BCM5248
OCTAL-ƪ
BCM5248
OCTAL-ƪ
BCM5248
OCTAL-ƪ
Quad
Magnetics
Quad
Magnetics
RJ45 Stacked 2x6
Quad
Magnetics
Quad
Magnetics
Quad
Magnetics
Quad
Magnetics
RJ45 Stacked 2x6