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.
Need pricing on these alternatives?
Get one quote covering all 8 alternatives for KSZ9021RN — response within 24 hours.
Specification Comparison
| Parameter | KSZ9021RNSource | KSZ9021RNI | D2510-6002-AR | SN74HC253N | TSM-107-02-S-DV | CD4051BM | IS42S32400F-6BLI | KSZ9021GN | KSZ9021GNI |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | 3M | Texas Instruments | SAMTEC | Texas Instruments | Integrated Silicon Solution Inc. | Microchip | Microchip |
| Package Type | Quad Flat No-Lead | Quad Flat No-Lead | Header, Shrouded - Straight PTH Box | Dual-In-Line Packages | Other | SOIC-16 | BGA | Quad Flat No-Lead | Quad Flat No-Lead |
| Pin Count | 48 | 48 | 10 | 16 | 14 | 16 | 90 | 64 | 64 |
| 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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | END OF LIFE | END OF LIFE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||
| Manufacturer Package Code | VQFN-48 | VQFN-48 | — | — | — | — | — | VQFN-64 | VQFN-64 |
| Factory Lead Time | 31 Weeks | 31 Weeks | — | — | 1 Week | — | 4 Weeks | 10 Weeks | 10 Weeks |
| YTEOL | 0 | 0 | 9.1 | 15 | 9.1 | 0 | 0 | 0 | 0 |
| Data Rate | 1000000 Mbps | 1000000 Mbps | — | — | — | — | — | 1000000 Mbps | 1000000 Mbps |
| JESD-30 Code | S-XQCC-N48 | S-XQCC-N48 | — | R-PDIP-T16 | — | R-PDSO-G16 | R-PBGA-B90 | S-XQCC-N64 | S-XQCC-N64 |
| JESD-609 Code | e4 | e4 | e3 | e4 | e3 | e4 | — | e4 | e4 |
| Number of Functions | 1 | 1 | — | 2 | — | 1 | 1 | 1 | 1 |
| Number of Transceivers | 1 | 1 | — | — | — | — | — | 1 | 1 |
| Package Body Material | UNSPECIFIED | UNSPECIFIED | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | UNSPECIFIED |
| Package Equivalence Code | LCC48,.27SQ,20 | LCC48,.27SQ,20 | — | DIP16,.3 | — | SOP16,.25 | BGA90,9X15,32 | LCC64,.32SQ,16 | LCC64,.32SQ,16 |
| Package Shape | SQUARE | SQUARE | — | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | — | IN-LINE | — | SMALL OUTLINE | GRID ARRAY, THIN PROFILE, FINE PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Nom | 1.2 V | 1.2 V | — | — | — | — | — | 1.2 V | 1.2 V |
| Surface Mount | YES | YES | — | NO | — | YES | YES | YES | YES |
| Telecom IC Type | ETHERNET TRANSCEIVER | ETHERNET TRANSCEIVER | — | — | — | — | — | ETHERNET TRANSCEIVER | ETHERNET TRANSCEIVER |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | — | INDUSTRIAL | — | MILITARY | INDUSTRIAL | COMMERCIAL | INDUSTRIAL |
| Terminal Finish | 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) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD | NO LEAD | — | THROUGH-HOLE | — | GULL WING | BALL | NO LEAD | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm | 2.54 mm | 2.54 mm | 2.54 mm | 1.27 mm | 0.8 mm | 0.4 mm | 0.4 mm |
| Terminal Position | QUAD | QUAD | — | DUAL | — | DUAL | BOTTOM | QUAD | QUAD |
| ## KSZ9021RN Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | — | — | — | 260 | 260 | 260 | — |
| 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 V | 3.6 V | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | 2 V | — | 3 V | 3 V | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 5 V | — | 5 V | 3.3 V | — | — |
| Technology | — | — | — | CMOS | — | CMOS | CMOS | — | — |
| ## 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
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?
Our sourcing team can help find compatible alternatives for KSZ9021RN. Get expert recommendations within 24 hours.
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.