KSZ9021RNI vs KSZ9021RN 对比
详细并排对比 KSZ9021RNI 出自 Microchip Technology 和 KSZ9021RN 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
KSZ9021RNI - Gigabit Ethernet PHY Transceiver, RGMII, QFN-48 | Microchip
KSZ9021RNI Nrnd规格对比
| 参数 | KSZ9021RNI | KSZ9021RN |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 不推荐新设计 | 有效 |
| 功能 | Ethernet Physical Layer Transceiver (PHY) | — |
| 数据速率 | 10/100/1000 Mbps (Triple Speed) | — |
| Number of Drivers/Receivers | 8/8 (4 differential pairs) | — |
| Protocol | 10Base-T, 100Base-TX, 1000Base-T (IEEE 802.3) | — |
| MAC Interface | RGMII, GMII, MII | — |
| Supply Voltage (VDDIO) | 3.135 V to 3.465 V (3.3 V typical) | — |
| Core Supply (Internal LDO) | 1.14 V to 1.26 V | — |
| Supply Current (typ., 1000Base-T) | [DATA_NEEDED: operating current] | — |
| Cable Type | CAT-5 UTP, 100 m | — |
| Auto-MDIX | Yes (HP Auto-MDIX) | — |
| Auto-Negotiation | Yes, per IEEE 802.3 clause 28 | Automatic selection of the highest supported link-up speed |
| Jumbo Frame Support | Yes | — |
| 工作温度 | -40 C to +85 C (Industrial) | 0°C to +70°C |
| 封装 | 48-QFN (7x7 mm) with Exposed Pad | 48-pin QFN, 7 x 7 mm |
| 安装类型 | Surface Mount | Surface mount |
| MSL 等级 | 3 | — |
| RoHS 状态 | Compliant | RoHS compliant |
| Lifecycle | Not recommended for new designs (NRND) | — |
| Product Type | — | Single-chip Gigabit Ethernet transceiver with RGMII support |
| Supported Data Rates | — | 10/100/1000 Mbps |
| Ethernet Compliance | — | IEEE 802.3 |
| Host Interface | — | RGMII for the KSZ9021R configuration |
| 电源电压 | — | 3.3 V |
| 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 |
| 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 |