bcm8727 Broadcom Corp., bcm8727 Datasheet
bcm8727
Manufacturer Part Number
bcm8727
Description
Dual-channel 10-gbe Sfi-to-xaui Transceiver With Edc
Manufacturer
Broadcom Corp.
Datasheet
1.BCM8727.pdf
(2 pages)
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DUAL-CHANNEL 10-G
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Dual-channel SFI-to-XAUI™ transceiver
Integrated microcontroller and AGC with a wide dynamic
range
Supports SFP+ SR, LR, and LRM optical interfaces and up to
15m of direct attached copper
Programmable amplitude control on 10G serial transmitter
interface
Standard two-wire Broadcom Serial Interface (BSC) support
for external E2, XFP, SFP, SFP+
MDIO interface compliant to IEEE802.3ae Clause 45 with
extended indirect address register access
Support for XFP/XFI interfaces
Physical Medium Dependent (PMD) interface: serial 10.3125
Gbps CML
PCS 64B/66B scrambler/descrambler
XGXS 8B/10B error detection ENDEC
XAUI link synchronization/deskew
4-lane XAUI interface (3.125 Gbps)
Built-In Self-Test (BIST) on 10G serial and XAUI interfaces
Power dissipation: 2.4W
Core supply—1.0V, I/O—3.3V
Small 19 mm x 19 mm BGA package, 1-mm ball pitch
F E A T U R E S
Switch
MAC/
Management
®
Interface
BCM8727 Functional Block Diagram
B
E SFI-
XAUI Interface 1
XAUI Interface 2
TO
MDC MDIO
-XAUI™ TRANSCEIVER
BCM8727
BCM 727
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Brief
Single-reference clock input enables use of low-cost 156.25
MHz oscillator.
Supports low-cost SFP+ copper twin-ax up to 15m
LRM mode supports 300m of Multimode Fiber (MMF),
exceeding the IEEE 802.3aq standard.
PMD transmit preemphasis for flexible placement of Physical
Layer (PHY)
Support for module present detection and configuring of
BCM8727 accordingly
Multirate 10 GbE and 1 GbE support for legacy interfaces
High-density Ethernet Switching and Routing Platforms
Next-generation Blade Servers
SFP+ optical SR, LR, and LRM modules
SFP+ copper twin-ax
S U M M A R Y O F B E N E F I T S
LRM-
LRM-
EDC
EDC
SFI 1
SFI 2
A P P L I C A T I O N S
SFP+
SFP+
10.3125
10.3125
Gbps
Gbps
WITH
EDC
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bcm8727 Summary of contents
Page 1
... BCM8727 Functional Block Diagram BCM 727 XAUI Interface 1 XAUI Interface 2 MDC MDIO Interface Brief Single-reference clock input enables use of low-cost 156.25 MHz oscillator. ...
Page 2
... XGXS, PCS, and PMA functions include 8B/10B coding, 64B/66B coding, SerDes, Clock Multiplication Unit (CMU), and Clock and Data Recovery (CDR). The BCM8727 is available mm pitch, 324-pin BGA, RoHS-compliant package. The BCM8727 supports a footprint- compatible layout with the BCM8726 dual LRM PHY. ...