KSZ9021GN-TR vs KSZ9021RN Comparison
Detailed side-by-side comparison of KSZ9021GN-TR by Microchip Technology and KSZ9021RN by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
KSZ9021GN-TR - 1000Mbps Gigabit Ethernet Transceiver | Microchip (Tape & Reel)
KSZ9021GN-TR ✓ Active
Specification Comparison
| Parameter | KSZ9021GN-TR | KSZ9021RN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | RF Transceivers | Interface ICs |
| Lifecycle Status | Active | Active |
| Product Type | Full-duplex Gigabit Ethernet transceiver | Single-chip Gigabit Ethernet transceiver with RGMII support |
| Data Rate | 1000 Mbps | — |
| Interface Type | GMII and MII | — |
| Supply Voltage | 3.3 V | 3.3 V |
| Operating Temperature Range | 0°C to +70°C | — |
| Package | 64-pin QFN, 8 mm x 8 mm | 48-pin QFN, 7 x 7 mm |
| Mounting Type | Surface mount | Surface mount |
| Ethernet Support | Gigabit Ethernet | — |
| Duplex Mode | Full duplex | — |
| Auto-Negotiation | IEEE 802.3 Clause 28 | Automatic selection of the highest supported link-up speed |
| Transceiver Configuration | 8/8 transceiver | — |
| Lead-Free Package | Lead-free QFN package | — |
| Manufacturer | Microchip Technology | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | RoHS compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Pinout | [DATA_NEEDED: complete pin names and functions] | — |
| Electrical Absolute Maximum Ratings | [DATA_NEEDED: electrical absolute maximum ratings] | — |
| Junction Temperature | [DATA_NEEDED: junction temperature] | — |
| Supported Data Rates | — | 10/100/1000 Mbps |
| Ethernet Compliance | — | IEEE 802.3 |
| Host Interface | — | RGMII for the KSZ9021R configuration |
| Interface I/O Tolerance | — | 3.3 V/2.5 V tolerant |
| Timing Control | — | Programmable transmit and receive delays |
| Cable Diagnostics | — | Micrel LinkMD TDR-based faulty-copper-cable identification |
| Test Features | — | Remote and local loopback for analog and digital path verification |
| Package Family | — | QFN surface-mount family |
| Operating Temperature | — | 0°C to +70°C |
| Lead-Free Status | — | Lead-free package |
| Exposed Thermal Pad | — | Available; connection details [DATA_NEEDED: exposed-pad dimensions and thermal design data] |
| Ethernet Magnetics | — | External network magnetics required; integrated magnetics [DATA_NEEDED: yes or no] |
| Internal Register Interface | — | Extended registers |
| Unit Price | — | $6.5948 at LCSC as of 2026-10-22 |