KS8995XA(2008) 데이터 시트보기 (PDF) - Micrel

부품명

상세내역

제조사

KS8995XA
(Rev.:2008)

Integrated 5-Port 10/100 QoS Switch

Micrel 

Micrel, Inc.

KS8995XA

Features

• Integrated switch with five MACs and five Fast

Ethernet transceivers fully compliant to IEEE 802.3u

standard

• Shared memory based switch fabric with fully

nonblocking configuration

• 10BASE-T, 100BASE-TX and 100BASE-FX modes

(FX in Ports 4 and 5)

• Dual MII configuration: MII-Switch (MAC or PHY

mode MII) and MII-P5 (PHY mode MII)

• VLAN ID tag/untag options, per-port basis

• Enable/disable option for huge frame size up to 1916

bytes per frame

• Broadcast storm protection with percent control –

global and per-port basis

• Optimization for fiber-to-copper media conversion

• Full-chip hardware power-down support (register

configuration not saved)

• Per-port-based software power-save on PHY (idle

link detection, register configuration preserved)

• QoS/CoS packets prioritization supports: per port,

802.1p and DiffServ-based

• 802.1p/q tag insertion or removal on a per-port basis

(egress)

• Port-based VLAN support

• MDC and MDI/O interface support to access the MII

PHY control registers (not all control registers)

• MII local loopback support

• On-chip 64Kbyte memory for frame buffering (not

shared with 1K unicast address table)

• 1.4Gbps high performance memory bandwidth

• Wire-speed reception and transmission

• Integrated look-up engine with dedicated 1K unicast

MAC addresses

• Automatic address learning, address aging and

address migration

• Full-duplex IEEE 802.3x and half-duplex back

pressure flow control

• Comprehensive LED support

• 7-wire SNI support for legacy MAC interface

• Automatic MDI/MDI-X crossover for plug-and-play

• Disable automatic MDI/MDI-X option

• Low power

Core: 1.8V

Digital I/O: 3.3V

Analog I/O: 2.5 or 3.3V

• 0.18µm CMOS technology

• Commercial temperature range: 0°C to +70°C

• Available in 128-pin PQFP package

Applications

• Broadband gateway/firewall/VPN

• Integrated DSL or cable modem multi-port router

• Wireless LAN access point plus gateway

• Home networking expansion

• Standalone 10/100 switch

• Hotel/campus/MxU gateway

• Enterprise VoIP gateway/phone

• FTTx customer premise equipment

• Media converter

Ordering Information

Part Number

Standard

Pb-Free

Temperature Range

KS8995XA KSZ8995XA

0°C to +70°C

Package

128-Pin PQFP

September 2008

2

M9999-091508

Share Link: