BCM5238 Broadcom Corporation, BCM5238 Datasheet

BCM5238

Manufacturer Part Number

BCM5238

Description

Manufacturer

Broadcom Corporation

Datasheet

1.BCM5238.pdf (2 pages)

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Download datasheet (140Kb)

•

Single-chip, eight-port Fast Ethernet transceiver

Low-power 1.8V CMOS technology

Serial Media Independent Interface (SMII)

Source Synchronous SMII (SSSMII)

HP Auto-MDIX automatic crossover

Supports 10BASE-T Polarity Correction

Compatible with 2.5V I/O and 3.3V I/O

Fully integrated digital adaptive equalization

Up to 150 meters of error-free operation

Full-duplex support

Interrupt output capability

128-pin PQFP or 256-ball BGA package

Proven Broadcom proprietary all-DSP Digi-

BCM5421

Gigabit

PHY

10/100BASE-TX OCTAL-Φ™ TRANSCEIVER

F E A T U R E S

Magnetics

BCM5238

Quad

OCTAL-Φ

Magnetics

24-Port 10/100BASE-T Ethernet Switch Example

Quad

™ architecture

Magnetics

BCM5238

Quad

OCTAL-Φ

Magnetics

•

BCM5238

Quad

Target usage: Fast Ethernet switches.

Lowest per port power solution available:< 215 milliwatts per

port.

Smallest footprint per port available.

Measures 14 mm ∞ 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 and 10BASE-T full or

half-duplex Ethernet on Category 3, 4, or 5 UTP cable.

Compliant with IEEE 802.3 standard.

IEEE 1149.1 (JTAG) scan chain support.

Two LED indicator pins per port.

S U M M A R Y O F B E N E F I T S

Magnetics

BCM5238

Quad

OCTAL-Φ

Magnetics

Quad

BCM5421

Gigabit

PHY

Related parts for BCM5238

BCM5238 Summary of contents

Page 1

... IEEE 1149.1 (JTAG) scan chain support. • Two LED indicator pins per port. BCM5238 OCTAL-Φ Quad Quad Quad Magnetics Magnetics Magnetics 24-Port 10/100BASE-T Ethernet Switch Example BCM5238 OCTAL-Φ Quad Quad Magnetics Magnetics BCM5421 Gigabit PHY ...

Page 2

... This makes installation, debugging, and maintenance of the network simpler and less expensive to the end user. The BCM5238 is offered in a 128-pin PQFP or 256-ball BGA package and supports two LED indicators per port. ® are trademarks of Broadcom Corporation and/ ...

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