KSZ9021RN vs KSZ9021RNI 对比
详细并排对比 KSZ9021RN 出自 Microchip Technology 和 KSZ9021RNI 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 | KSZ9021RN | KSZ9021RNI |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $6.59 | $5.12 |
| 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 | — |
| Auto-Negotiation | Automatic selection of the highest supported link-up speed | Yes, per IEEE 802.3 clause 28 |
| Cable Diagnostics | Micrel LinkMD TDR-based faulty-copper-cable identification | — |
| Test Features | Remote and local loopback for analog and digital path verification | — |
| 封装 | 48-pin QFN, 7 x 7 mm | 48-QFN (7x7 mm) with Exposed Pad |
| Package Family | QFN surface-mount family | — |
| 工作温度 | 0°C to +70°C | -40 C to +85 C (Industrial) |
| Lead-Free Status | Lead-free package | — |
| RoHS 状态 | RoHS compliant | Compliant |
| 安装类型 | Surface mount | Surface Mount |
| 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 | — |
| 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) |
| Jumbo Frame Support | — | Yes |
| MSL 等级 | — | 3 |
| Lifecycle | — | Not recommended for new designs (NRND) |