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KSZ9021RNI IC TXRX 10/100/1000 SGL 48QFN Interface - Drivers Receivers Transceivers For Set-top Box And Game Console

KSZ9021RNI IC TXRX 10/100/1000 SGL 48QFN Interface - Drivers Receivers Transceivers For Set-top Box And Game Console

Contact : Abby Zhang E-mail: WhatsApp: 0086 188 1790 2090 skype : ascoavi Item number :KSZ9021RNI D/C:2017+ Type:Interface - Drivers Receivers Transceivers, Transceiver Part Status:Active Voltage - Supply:3.135 V ~ 3.465 V Mounting Type:Surface Mount Package:48QFN Family:Integrated Circuits (ICs) Number of Drivers/Receivers:8/8 Packaging:260pcs/tray Operating Temperature:-40°C ~ 85°C Supplier Device Package:48-QFN (7x7)

Product details


Best price  KSZ9021RNI    Gigabit Ethernet Transceiver with RGMII Support

 all integrated circuit/IC and electronic components from the largest independent distributor of China


Contact person : Abby   Zhang   skype : ascoavi   QQ:894663976  e-mail:  Cell phone : 86-188 1790 2090  WhatsApp: 0086 188 1790 2090 Wechat:zca18817902090





General Description

The KSZ9021RL is a completely integrated triple speed
(10Base-T/100Base-TX/1000Base-T) Ethernet Physical
Layer Transceiver for transmission and reception of data
over standard CAT-5 unshielded twisted pair (UTP) cable.
The KSZ9021RL provides the Reduced Gigabit Media
Independent Interface (RGMII) for direct connection to
RGMII MACs in Gigabit Ethernet Processors and Switches
for data transfer at 10/100/1000Mbps speed.
The KSZ9021RL reduces board cost and simplifies board
layout by using on-chip termination resistors for the four
differential pairs and by integrating a LDO controller to
drive a low cost MOSFET to supply the 1.2V core.
The KSZ9021RL provides diagnostic features to facilitate
system bring-up and debugging in production testing and
in product deployment. Parametric NAND tree support
enables fault detection between KSZ9021 I/Os and board.
Micrel LinkMD
TDR-based cable diagnostics permit
identification of faulty copper cabling. Remote and local
loopback functions provide verification of analog and
digital data paths.
The KSZ9021RL is available in a 64-pin, lead-free E-LQFP
package, and is offered as the KSZ9021RN in the smaller
48-pin QFN package (See Ordering Information).

• Single-chip 10/100/1000Mbps IEEE 802.3 compliant
Ethernet Transceiver
• RGMII interface compliant to RGMII Version 1.3
• RGMII I/Os with 3.3V/2.5V tolerant and programmable
timings to adjust and correct delays on both Tx and Rx
• Auto-negotiation to automatically select the highest link
up speed (10/100/100Mbps) and duplex (half/full)
• On-chip termination resistors for the differential pairs
• On-chip LDO controller to support single 3.3V supply
operation – requires only external FET to generate 1.2V
for the core
• Jumbo frame support up to 16KB
• 125MHz Reference Clock Output
• Programmable LED outputs for link, activity and speed
• Baseline Wander Correction
• LinkMD®
TDR-based cable diagnostics for identification
of faulty copper cabling
• Parametric NAND Tree support for fault detection
between chip I/Os and board.
• Loopback modes for diagnostics

More Features
• Automatic MDI/MDI-X crossover for detection and
correction of pair swap at all speeds of operation
• Automatic detection and correction of pair swap, pair
skew and pair polarity
• MDC/MDIO Management Interface for PHY register
• Interrupt pin option
• Power down and power saving modes
• Operating Voltages
Core: 1.2V (external FET or regulator)
I/O: 3.3V or 2.5V
Transceiver: 3.3V
• Available packages
64-pin E-LQFP (10mm x 10mm): KSZ9021RL
48-pin QFN (7mm x 7mm): KSZ9021RN

• Laser/Network Printer
• Network Attached Storage (NAS)
• Network Server
• Gigabit LAN on Motherboard (GLOM)
• Broadband Gateway
• Gigabit SOHO/SMB Router
• IP Set-top Box
• Game Console
• Triple-play (data, voice, video) Media Center
• Media Converter






1.We will ship the items within 2 working days after the payment is reached.


2.We can ship to you by UPS/ DHL/TNT/EMS/Fedex. Pls contact us directly and we will use your

preferred ways. For the Countries & Regions where EMS cannot deliver,pls choose other shipping ways.


3.We are not responsible for any accidents, delays or other issues that are the responsibility of the shipping service.


4.Any import fees or charges are the buyer's responsibility.



1.T/T in advance


3.western union gram


6.Net 1-30  (only old customer)

Company Information 

Asco Technology Co.,Limited is a leading distributor of  Diode and transistor  electronic components worldwide, dealing with semiconductors and transistors. We offer products for not only components currently in production, but also for obsolete parts. We strive to provide exemplary quality products and competitive pricing to all our customers overseas , also we do our best to provide solutions to all customers needs. We hope to get to know with more international friends sincerely, mutual reciprocity and mutual benefit , close cooperation and prosperity of creating together.





 1)The part we quote are 100% original quality assurance in stock,we also can offer samples for not have minimum quantity limited.

2)Have a high reputation in our cooperate company and factory.


3)Our payment term include: T/T, West Union or paypal.


4)Fast delievery .1-2days .A large of stock to offer .

5)We are Alibaba memeber  nearly 8years .

                                 Our Team

Our Services


Refund & Replacement




1.We provide 365 days warranty.


2.If the item you purchase from our store are not of perfected quality, that is they don't work electronically to   manufacturers specifications, simply return them to us for replacement or refund.


3.If the items is defective, pls notify us within 3 days of delivery.


4.Any items must be returned in their original condition to qualify for a refund or replacement.


5.The buyer is responsible for all the shipping cost incurre   


Buyer Feedback


  Q & A

1. Q: What is your products quality ?
    A: We offer all parts are new and original .
2. Q:What is your lead time?
    A: 1-2 days. we have own warehouse and stock in large quantity.
3. Q: What is the shipping port?
    A: We ship the goods via Port of HONGKONG or Shenzhen
4. Q: What is your payment terms?
    A: T/T, Paypal, Western union, Money Gram, L/C.
5.Q: What’s your advantage?
        1. Competitive price.
        2. Good quality control.
        3. Fast production and delivery
        4. Low MOQ.
        5. Professional sales and good after-sale service

Contact us

Asco Technology Co.,Limited

T:+0086-18817902090  Fax :86-755-82791035 

WhatsApp:0086-188 1790 2090 skype :ascoavi E-mail:

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Address: RM4311 , 43/F , SEG Plaza , Huaqiang North RD , Futian District , SZ ,GD , CN 518000
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