Datasheet > BCM5238_04

BCM5238_04

更新时间： 2024-09-28 04:09:03

品牌	Logo	应用领域
博通 - BOARDCOM		局域网（LAN）标准
页数	文件大小	规格书
2页	137K
描述
10/100BASE-TX OCTAL-フ TRANSCEIVER

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BCM5238_04 数据手册

BCM5238

10/100BASE-TX OCTAL-Φ™ TRANSCEIVER

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

F E A T U R E S

•

Single-chip, eight-port Fast Ethernet transceiver

Low-power 1.8V CMOS technology

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.

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

•

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.

Interrupt output capability

128-pin PQFP or 256-ball BGA package

Proven Broadcom proprietary all-DSP Digi-Φ™ architecture

•

Compliant with IEEE 802.3 standard.

IEEE 1149.1 (JTAG) scan chain support.

Two LED indicator pins per port.

BCM5421

Gigabit

PHY

BCM5421

Gigabit

PHY

BCM5238

OCTAL-Φ

BCM5238

OCTAL-Φ

BCM5238

OCTAL-Φ

Quad

Magnetics

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

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