bcm54880 Broadcom Corp., bcm54880 Datasheet
bcm54880
Manufacturer Part Number
bcm54880
Description
Bcm54880 - Octal-port 10/100/1000base-t Gigabit Copper Broadr-reach Transceiver
Manufacturer
Broadcom Corp.
Datasheet
1.BCM54880.pdf
(2 pages)
Available stocks
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Manufacturer
Quantity
Price
Part Number:
bcm54880B0KFBG
Manufacturer:
BROADCOM
Quantity:
20 000
Company:
Part Number:
bcm54880EB2KFBG
Manufacturer:
ST
Quantity:
40 000
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OCTAL 10/100/1000BASE-T GIGABIT ETHERNET BROADR-REACH™
Eight 10BASE-T/100BASE-TX/1000BASE-T Gigabit
Ethernet (GbE) and BroadR-Reach transceivers in a single
fully integrated 65-nm CMOS chip
Full duplex operation at the rate of 10 Mbps over one single
500-meter telephone-grade twisted-pair cable or 100 Mbps
over four-pair CAT5 twisted-pair wiring
SGMII and SerDes MAC interface options
Internal 100Ω twisted-pair termination resistors
Supports 10/100/1000BASE-T and 100BASE-FX on copper
interface
Enhanced LED driver modes
Fully compliant with IEEE 802.3, IEEE 802.3u, and
IEEE 802.3ab standards
Line-side loopback
Low EMI emissions
Hardware-accelerated CableChecker™ diagnostics
Robust cable-sourced electrostatic discharge (CESD)
tolerance
Support for jumbo packets
IEEE 1149.1 (JTAG) and 1149.6 (AC-JTAG) boundary scan
F E A T U R E S
®
BCM54880 System Diagram
TRANSCEIVER
10/100/1000BASE-T
Gigabit Ethernet
BCM54880
Transceiver
BCM54880
BCM54880
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Energy efficient, low-cost, and low-power 8-port integration
enables single-row, high-port density switches
Enables new IP services that require extended over one-, two-
, or four-pair of either CAT5 or telephony grade cables
Each port individually configurable as BroadR-Reach 10/100
or standard Ethernet 10/100/1000
Low-cost solution for service providers access switches and
e n t e r p r i s e / S M B m a n a g e d a n d u n m a n a g e d s w i t c h
applications
Lowers system BOM cost and simplifies system design
Internal 100Ω twisted-pair termination resistors eliminate
need for external resistors, saving eight resistors per port
Provides compatibility with IEEE 802.3 standard devices
operating at 10 Mbps, 100 Mbps, and 1000 Mbps at half-
duplex and full-duplex
Eases system-level debug
Enables use of low-cost magnetics, even in high-density (48+)
designs
CableChecker characterizes cable plant condition and
immediately indicates cabling issues
Operates with larger packets for wider range of packet-
protocol support and improved efficiency
S U M M A R Y O F B E N E F I T S
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bcm54880 Summary of contents
Page 1
... Enables use of low-cost magnetics, even in high-density (48+) designs • CableChecker characterizes cable plant condition and immediately indicates cabling issues • Operates with larger packets for wider range of packet- protocol support and improved efficiency BCM54880 System Diagram BCM54880 BCM54880 10/100/1000BASE-T Gigabit Ethernet Transceiver ...
Page 2
... BCM54880 in either BroadR-Reach mode or normal Ethernet mode of operation. The BCM54880 architecture not only meets the requirements of IEEE 802.3, IEEE 802.3u, and IEEE 802.3ab but also maintains the industry’s highest level of margin over IEEE requirements for echo, near-end crosstalk (NEXT), and far-end crosstalk (FEXT) ...