KSZ8997 9-Port 10/100 Managed Switch with QoS VLAN Energy Detection Auto-MDI/MDIX 3.3V Operation Industrial Temp (-40°C to +85°C) 128-Pin PQFP Package and Advanced Traffic Management

Features

8-port 10/100 integrated switch with 8 physicallayer transceivers

32Kx32 of SRAM on chip for frame buffering

2.0Gbps high performance memory bandwidth

10BaseT and 100BaseTX modes of operation

Superior analog technology for reduced power anddie size

Single 2.0V power supply with options for 2.5V and3.3V I/O

900mA(1.80 W) including physical transmit drivers

Supports port based VLAN

Supports DiffServ priority, 802.1p based priority orport based priority

Indicators for link, activity, full/half-duplex andspeed

Unmanaged operation via strapping or EEPROM atsystem reset time

Hardware based 10/100, ful/half, flow control andauto negotiation

Wire speed reception and transmission

Integrated address look-up engine, supports 1K absolute MAC addresses

Automtic address learning, address aging and address migration

Broadcast storm protection

Full-duplex lEEE 802.3x flow control

Half-duplex back pressure flow control

Comprehensive LED support

Supports MDl/MDl-X auto crossover

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

Supports lead free product(KSZ8997)for commercial temperature range: 0'C to +70°C

Available in 128-pin PQFP package

Applications

Small workgroup switches

VolP infrastructure switches

Description

The KS8997 contains eight 10100physical layer transceivers,eight MAC(Media Access Control) units with an integrated layer 2 switch. The device runs as an eight port integrated switch.

The KS8997 is designed to reside in an unmanaged design not requiring processor intervention. This is achieved throughlstrapping Or EEPROM programming at system reset time.

INFORMATION

Drawing

Our advantage :phones, PDA's, notebook comput.ers

• High quality products --- our offers are 100% new and original, ROHS
• Competitive price --- good Purchase channels with good price.
• Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
• Adequate inventory --- With the support of our strong Purchasing team,
• Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

be sure to meet your need for all kinds of components. ^_^


Product List
Supply a Series of Electronic Components, full range of semiconductors, active & passive Components.We can help you to get all for bom of the PCB,IN a word, you can get one-stop solution here,


The offers including:
Integrated Circuit, Memory ICs, Diode, Transistor , Capacitor, Resistor, Varistor, Fuse, Trimmer & Potentiometer, Transformer, Battery, Cable, Relay, Switch, Connector, Terminal Block, Crystal & Oscillator, Inductor, Sensor, Transformer, IGBT Driver, LED,LCD, Convertor, PCB (Printed Circuit Board),PCBA (PCB Assembly)

Strong in Brand:
Microchip, MAX, AD, TI, ATMEL, ST, ON, NS, Intersil, Winbond, Vishay, ISSI, Infineon, NEC, FAIRCHILD, OMRON,YAGEO, TDK, etc

Thank you for your time to know our company and lean our production.

TOP Electronic Industry co., Ltd  was established in 2006. After 10 years effort and development, now we have become one of the leading electronic components distributors in China. We keep very kind relationship with our suppliers and partners, and put our customers in the first place always.

Here we can offer one-stop solution service:  from PCB design, production to PCB assembly, from a series of components offer to the BOM list.

In addition to its component supply service, TOP distributes industry respected communication modules(GPS,GSM/GPRS,3G,LTE 4G modules) and accessories. All the brands are very famous and welcome by the customers all over the world, they are including: Sierra Wireless, SIMCOM, CINTERION, U-BLOX, HUAWEI, ZTE,TELIT, HOLUX etc. competitive price, Adequate  inventory, fast delivery, be praised by all the customers .

As an innovative company, TOP supplies and  markets high-quality wireless communication antennas and RF-cables. to work with modules together. With more than 8 years antenna experience, we win a lot of stable customers from more than 50 countries. In order to save the cost and delivery time, control the quality, supply the competitive price for our customers, we built our own antenna factory in 2012,which is for developing and manufacturing GPS antenna, GSM/GPRS antenna, WIFI antenna, LTE antenna, all kinds of combo antennas etc. Quality, stability,  accessibility are all important to us.

 The third production-line is Supply a Series of Electronic Components, including Integrated Circuits, Transistor, Diode, LED, LCD display, Capacitor, Resistor, Inductor, Relay, Crystal , Terminal block ,pin header etc.

Our Strong in Brand including Microchip, MAX, AD, TI, NXP, ATMEL, ST, ON, NS, Intersil, Winbond, Vishay, ISSI, Infineon, NEC, FAIRCHILD, OMRON,YAGEO, TDK, etc

As a global distributor of electronic components, we stocking the world's widest range products of semiconductor and electronic components. You can get one stop service here include BOM(bill of material)  purchasing, testing, design for your project. Our experienced team is providing the most excellent service to meet your needs and satisfaction.

With rich experience on wireless product and electronic components, we win our customers with good quality and competitive price. We only offer the products 100% original from the factory.

 TOP has never stop going forward, we always want to give our customers best service. in 2013, together with our partners, we built another PCB factory. In this factory, we can make design, supply PCB, make PCB SMT and DIP assembly, offer BOM service. As a professional supplier , We have a strong procurement team and are therefore able to provide customers with competitive prices and good quality. This is our advantage to you.

As they are to you. Just as in our name, TOP strives to be a leading business in the electronic industry. Our high quality products and professional service, are sure to meet your need for all kinds of electronic components.

You are searching for creditable and professional supplier to work with; we are also looking for sincerely and long-term customers. Once we find each other, we could make rapid progress together!