KSZ9021RNAlternatives & Equivalent Parts

About KSZ9021RN

KSZ9021RN is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Get one quote covering all 8 alternatives for KSZ9021RN — response within 24 hours.

Specification Comparison

ParameterKSZ9021RNSourceKSZ9021RNID2510-6002-ARSN74HC253NTSM-107-02-S-DVCD4051BMIS42S32400F-6BLIKSZ9021GNKSZ9021GNI
ManufacturerMicrochipMicrochip3MTexas InstrumentsSAMTECTexas InstrumentsIntegrated Silicon Solution Inc.MicrochipMicrochip
Package TypeQuad Flat No-LeadQuad Flat No-LeadHeader, Shrouded - Straight PTH BoxDual-In-Line PackagesOtherSOIC-16BGAQuad Flat No-LeadQuad Flat No-Lead
Pin Count484810161416906464
Temperature Range~ 70.0°C-40.0°C ~ 85.0°C-55.0°C ~ 105.0°C-40.0°C ~ 85.0°C—-55.0°C ~ 125.0°C-40.0°C ~ 85.0°C~ 70.0°C-40.0°C ~ 85.0°C
Price$3.8400$4.7800$0.7800$0.3245$0.6885—$5.4522$3.3900$4.5800
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleEND OF LIFEEND OF LIFEACTIVEACTIVEACTIVEOBSOLETEOBSOLETEACTIVEACTIVE
Electrical Parameters
Manufacturer Package CodeVQFN-48VQFN-48—————VQFN-64VQFN-64
Factory Lead Time31 Weeks31 Weeks——1 Week—4 Weeks10 Weeks10 Weeks
YTEOL009.1159.10000
Data Rate1000000 Mbps1000000 Mbps—————1000000 Mbps1000000 Mbps
JESD-30 CodeS-XQCC-N48S-XQCC-N48—R-PDIP-T16—R-PDSO-G16R-PBGA-B90S-XQCC-N64S-XQCC-N64
JESD-609 Codee4e4e3e4e3e4—e4e4
Number of Functions11—2—1111
Number of Transceivers11—————11
Package Body MaterialUNSPECIFIEDUNSPECIFIED—PLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXYUNSPECIFIEDUNSPECIFIED
Package Equivalence CodeLCC48,.27SQ,20LCC48,.27SQ,20—DIP16,.3—SOP16,.25BGA90,9X15,32LCC64,.32SQ,16LCC64,.32SQ,16
Package ShapeSQUARESQUARE—RECTANGULAR—RECTANGULARRECTANGULARSQUARESQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE—IN-LINE—SMALL OUTLINEGRID ARRAY, THIN PROFILE, FINE PITCHCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Qualification StatusNot QualifiedNot Qualified—Not Qualified—Not QualifiedNot QualifiedNot QualifiedNot Qualified
Supply Voltage-Nom1.2 V1.2 V—————1.2 V1.2 V
Surface MountYESYES—NO—YESYESYESYES
Telecom IC TypeETHERNET TRANSCEIVERETHERNET TRANSCEIVER—————ETHERNET TRANSCEIVERETHERNET TRANSCEIVER
Temperature GradeCOMMERCIALINDUSTRIAL—INDUSTRIAL—MILITARYINDUSTRIALCOMMERCIALINDUSTRIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormNO LEADNO LEAD—THROUGH-HOLE—GULL WINGBALLNO LEADNO LEAD
Terminal Pitch0.5 mm0.5 mm2.54 mm2.54 mm2.54 mm1.27 mm0.8 mm0.4 mm0.4 mm
Terminal PositionQUADQUAD—DUAL—DUALBOTTOMQUADQUAD
## KSZ9021RN Alternates Showing resultsImage————————
Peak Reflow Temperature (Cel)—260———260260260—
Pbfree Code——Yes—Yes————
Additional Feature——3M, LOW PROFILE, POLARIZED———AUTO/SELF REFRESH——
Body Breadth——0.338 inch—0.2 inch————
Body Depth——0.39 inch——————
Body Length——0.788 inch—0.7 inch————
Body/Shell Style——RECEPTACLE—RECEPTACLE————
Connector Type——BOARD CONNECTOR—BOARD CONNECTOR————
Contact Finish Mating——NOT SPECIFIED—GOLD (30) OVER NICKEL (50)————
Contact Finish Termination——Matte Tin (Sn) - with Nickel (Ni) barrier—Tin (Sn) - with Nickel (Ni) barrier————
Contact Gender——MALE—MALE————
Contact Material——NOT SPECIFIED—PHOSPHOR BRONZE————
Contact Pattern——RECTANGULAR—RECTANGULAR————
Contact Style——SQ PIN-SKT—SQ PIN-SKT————
DIN Conformance——NO—NO————
Dielectric Withstanding Voltage——1400VAC V——————
Filter Feature——NO—NO————
IEC Conformance——NO—NO————
Insulation Resistance——1000000000 Ω——————
Insulator Color——BLACK—BLACK————
Insulator Material——PCT-POLYESTER—LIQUID CRYSTAL POLYMER————
MIL Conformance——NO—NO————
Mating Contact Pitch——0.1 inch—0.1 inch————
Mating Contact Row Spacing——0.1 inch—0.1 inch————
Mixed Contacts——NO—NO————
Mounting Option 1——LOCKING—LOCKING————
Mounting Style——STRAIGHT—STRAIGHT————
Mounting Type——BOARD—BOARD————
Number Of Connectors——ONE—ONE————
Number Of PCB Rows——2—2————
Number of Rows Loaded——2—2————
Option——GENERAL PURPOSE—GENERAL PURPOSE————
PCB Contact Pattern——RECTANGULAR—RECTANGULAR————
PCB Contact Row Spacing——2.54 mm——————
Plating Thickness——10u inch—30u inch————
Polarization Key——POLARIZED HOUSING——————
Rated Current (Signal)——2 A—7 A————
Reference Standard——UL—UL————
Terminal Length——0.112 inch——————
Termination Type——SOLDER—SURFACE MOUNT————
Total Number of Contacts——10—14————
UL Flammability Code——94V-0—94V-0————
Family———HC/UH—————
Load Capacitance (CL)———150 pF—————
Logic IC Type———MULTIPLEXER—————
Max I(ol)———0.0078 A—————
Number of Bits———4—————
Number of Inputs———4—————
Number of Outputs———1—————
Output Characteristics———3-STATE——3-STATE——
Output Polarity———TRUE—————
Packing Method———TUBE—————
Power Supply Current-Max (ICC)———0.08 mA—————
Prop. Delay@Nom-Sup———38 ns—————
Propagation Delay (tpd)———275 ns—————
Supply Voltage-Max (Vsup)———6 V—20 V3.6 V——
Supply Voltage-Min (Vsup)———2 V—3 V3 V——
Supply Voltage-Nom (Vsup)———5 V—5 V3.3 V——
Technology———CMOS—CMOSCMOS——
## SN74HC253N Alternates Showing results———Image—————
Mating Information————MULTIPLE MATING PARTS AVAILABLE————
Analog IC - Other Type—————SINGLE-ENDED MULTIPLEXER———
Bandwidth-Nom—————20 MHz———
Input Voltage-Max—————20.5 V———
Input Voltage-Min—————-0.5 V———
Neg Supply Voltage-Nom (Vsup)—————-5 V———
Normal Position—————NC———
Number of Channels—————1———
Off-state Isolation-Nom—————40 dB———
On-state Resistance Match-Nom—————15 Ω———
On-state Resistance-Max (Ron)—————1050 Ω———
Output—————COMMON OUTPUT———
Switch-off Time-Max—————720 ns———
Switch-on Time-Max—————720 ns———
Switching—————BREAK-BEFORE-MAKE———
Time@Peak Reflow Temperature-Max (s)—————30—30—
## CD4051BM Alternates Showing results—————Image———
Access Mode——————FOUR BANK PAGE BURST——
Access Time-Max——————5.4 ns——
Clock Frequency-Max (fCLK)——————166 MHz——
I/O Type——————COMMON——
Interleaved Burst Length——————1,2,4,8——
Memory Density——————134217728 bit——
Memory IC Type——————SYNCHRONOUS DRAM——
Memory Width——————32——
Number of Ports——————1——
Number of Words——————4194304 words——
Number of Words Code——————4000000——
Operating Mode——————SYNCHRONOUS——
Organization——————4MX32——
Refresh Cycles——————4096——
Self Refresh——————YES——
Sequential Burst Length——————1,2,4,8,FP——
Standby Current-Max——————0.002 A——
Supply Current-Max——————0.18 mA——
Screening Level———————TS 16949—
## KSZ9021GN Alternates Showing results———————Image—
## KSZ9021GNI Alternates Showing results————————Image

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 8 alternatives for KSZ9021RN — response within 24 hours.

Quick Links

KSZ9021RNIby Microchip Technology Inc Ethernet

Transceiver, 1-Trnsvr

CD4051BM

suggested

KSZ9021GNby Micrel Inc

Ethernet Transceiver, 1-Trnsvr

KSZ9021GNIby Microchip Technology Inc

GbE Physical Layer Transceiver with GMII/MII

Why Look for Alternatives?

Finding alternatives for KSZ9021RN is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating KSZ9021RN replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

Can't Find What You Need?

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FAQ

What is equivalent to KSZ9021RN?

Known equivalents for KSZ9021RN include KSZ9021RNI, D2510-6002-AR, SN74HC253N. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of KSZ9021RN?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify KSZ9021RN alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.