KSZ9021RNI

Name: KSZ9021RNI
Brand: Microchip Technology
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

High-speed Full-Duplex Communication

4,956 Effective Inventory

KSZ9021RNI

Effective Inventory4,956

High-speed Full-Duplex Communication

Manufacturer Part # : KSZ9021RNI
Package/Case: QFN-48
Brand: Microchip Technology
Product Categories : Drivers, Receivers, Transceivers
Series : KSZ9021

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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KSZ9021RNI DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$10.259	$10.26
10	$9.041	$90.41
30	$8.298	$248.94
100	$7.677	$767.70

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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KSZ9021RNI Details

The KSZ9021RNI is a high-performance, low-power Ethernet transceiver from Microchip Technology, designed for reliable data transmission in industrial automation, automotive, and networking applications. This device features advanced power management, robust EMC performance, and supports Auto-negotiation and Auto-MDIX. It is housed in a QFN-48 package, making it suitable for compact circuit designs.

Pinout

RX+: Receiver Input (Positive)
RX-: Receiver Input (Negative)
TX+: Transmitter Output (Positive)
TX-: Transmitter Output (Negative)
MDI+: Media Independent Interface (Positive)
MDI-: Media Independent Interface (Negative)
GND: Ground

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Integrated 10/100/1000BASE-T Gigabit Ethernet transceiver: Meets IEEE 802.3ab standard for reliable data transmission.
Low-power operation: Designed for low power consumption, making it suitable for battery-powered applications.
Advanced power management: Features advanced power management to minimize power consumption and optimize system performance.
Robust EMC performance: Offers robust electromagnetic compatibility (EMC) performance to ensure reliable data transmission in noisy environments.
Auto-negotiation and Auto-MDIX support: Supports auto-negotiation and auto-MDIX for seamless integration with various network devices.

Applications

The KSZ9021RNI is suitable for a wide range of applications, including:

Industrial automation systems
Automotive networks and infotainment systems
Networking equipment and devices
Embedded systems and IoT devices

Where to Use

The KSZ9021RNI can be used in various applications where reliable Ethernet transmission is required, such as:

Industrial control systems
Automotive infotainment and telematics systems
Networking equipment and devices
Embedded systems and IoT devices

How to Use

To use the KSZ9021RNI, follow these steps:

Connect the RX+ and RX- pins to the Ethernet cable.
Connect the TX+ and TX- pins to the Ethernet cable.
Apply power supply voltage to the VCC pin.
Ground the GND pin.

(Tip: For detailed usage instructions, refer to the datasheet.)

Application Circuit

The application circuit diagram for the KSZ9021RNI illustrates how to connect the transceiver to an Ethernet cable. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable data transmission.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

Microsemi KSZ9021RNI: A similar Ethernet transceiver from Microsemi offering comparable features and performance.
Marvell 88E1510: An alternative Ethernet transceiver from Marvell with equivalent functionality.

Complementary

The KSZ9021RNI can be complemented by the KSZ95128, which offers additional features such as higher data rates and enhanced ESD protection, suitable for more demanding communication applications.

When selecting complementary transceivers, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum data rate supported by the KSZ9021RNI?

A: The KSZ9021RNI supports data rates up to 1000 Mbps (Gigabit Ethernet). For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the KSZ9021RNI be used in automotive communication systems?

A: Yes, the KSZ9021RNI is suitable for automotive communication systems, offering robust EMC performance and reliable data transmission in demanding environments.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Ethernet ICs	RoHS	Details
Mounting Style	SMD/SMT	Package / Case	QFN-48
Product	Ethernet Transceivers	Standard	10/1GBASE-T, 100BASE-TX
Number of Transceivers	1 Transceiver	Data Rate !	10 Mb/s, 100 Mb/s, 1 Gb/s
Interface Type	MDI, MDI-X, RGMII	Supply Voltage - Min	1.14 V
Supply Voltage - Max	3.465 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 85 C	Series	KSZ9021
Brand	Microchip Technology	Moisture Sensitive	Yes
Product Type !	Ethernet ICs	Factory Pack Quantity	260
Subcategory	Communication & Networking ICs	Supply Current - Max	563 mA
Unit Weight	0.005309 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification KSZ9021RNI PDF Download

FAQs

What is KSZ9021RNI?

The KSZ9021RNI is a high-performance, fully integrated 10/100/1000BASE-T Ethernet physical layer transceiver designed by Microchip Technology. It is suitable for use in various networking applications, including industrial automation, automotive, and telecommunications.

How Does KSZ9021RNI Work?

The KSZ9021RNI operates as a physical layer transceiver for Ethernet communication, converting data between the Ethernet MAC and the physical Ethernet network. It supports various data rates up to 1 Gbps and features advanced auto-negotiation and auto-MDI/MDIX capabilities for simplified system integration.

How Many Pins does KSZ9021RNI have and What are the Functions of the Pinout Configuration?

The KSZ9021RNI is housed in a 48-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:

TX/RX±: Transmit and receive differential pairs.
LED: LED indicator pins for link/activity status.
MDI/MDIX: Auto-MDI/MDIX detection pins.
RESET: Reset pin for device initialization.
CLK125: 125 MHz clock input pin.
IOVDD, VDD33, VDDA, VDDD: Power supply pins for various voltage domains.

What are the Pros and Cons of KSZ9021RNI?

Pros:

High Performance: Supports Gigabit Ethernet speeds for fast data transfer.
Integrated Features: Includes auto-negotiation, auto-MDI/MDIX, and energy-efficient Ethernet support.
Small Footprint: Compact QFN package for space-constrained designs.
Robust Design: Built-in ESD protection and diagnostics for reliability.

Cons:

Complexity: Requires understanding of Ethernet protocols and networking concepts for proper configuration.
Temperature Sensitivity: Performance may vary under extreme temperature conditions.
External Magnetics: May need external magnetics for proper transformer isolation in Ethernet applications.

Are There Any Equivalents/Alternatives to KSZ9021RNI for Recommendation?

Equivalent parts to the KSZ9021RNI include the DP83848I from Texas Instruments and the RTL8211E from Realtek.
Alternative options to the KSZ9021RNI are the LAN8710A from Microchip Technology and the MAG45X1 series from Broadcom.