USB2503A-HZH vs USB2503-HZH 对比
详细并排对比 USB2503A-HZH 出自 Microchip Technology 和 USB2503-HZH 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。
规格对比
| 参数 | USB2503A-HZH | USB2503-HZH |
|---|---|---|
| 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 |
| Product Type | USB 2.0 three-port hub controller | — |
| USB Standard | USB 2.0 | — |
| Downstream Port Count | 3 ports | — |
| Transaction Translators | 3, one per downstream port | 3 (one per port, MultiTRAK) |
| High-Speed Operation | 480 Mb/s | — |
| Full-Speed Operation | 12 Mb/s | — |
| Low-Speed Operation | 1.5 Mb/s | — |
| 工作电源电压 | 1.62 V to 3.6 V | — |
| 电源电流 | 100 mA | — |
| Configuration Interface | Serial EEPROM, microcontroller, or pin-selectable options | Pin straps / I2C EEPROM / SMBus |
| Microcontroller Interface | SMBus slave device | — |
| Downstream Power Control | Per-port or ganged, selectable | — |
| Power Source Detection | Bus-powered and self-powered source detection | — |
| 工作温度 | 0 °C to 70 °C | 0 °C to +70 °C |
| 封装 | 48-QFN-EP, 7 x 7 mm | 48-QFN-EP (7x7 mm, 0.5 mm pitch) |
| Firmware Requirement | No firmware development required | — |
| External Pull-Up Resistors | 10 kΩ recommended on SDA/SMBDATA and SCL/SMBCLK/CFG_SEL0 | — |
| RoHS 状态 | Compliant | Compliant |
| 生命周期状态 | Active | — |
| Pinout | [DATA_NEEDED: complete 48-pin pin assignments and exposed-pad connection] | — |
| Absolute Maximum Ratings | [DATA_NEEDED: absolute maximum voltage, current, and temperature ratings] | — |
| Maximum USB Operating Current | [DATA_NEEDED: maximum downstream port and total bus current] | — |
| Termination and Decoupling Values | [DATA_NEEDED: USB series termination, crystal, capacitor, and layout values] | — |
| Device Type | — | USB Hub Controller |
| USB Specification | — | USB 2.0 Compliant |
| Number of Downstream Ports | — | 3 |
| Upstream Port Speed | — | High-Speed / Full-Speed / Low-Speed |
| Downstream Port Speed | — | High-Speed (480 Mb/s) / Full-Speed (12 Mb/s) / Low-Speed (1.5 Mb/s) |
| Supply Voltage (Vcc) | — | 3.0 V to 3.6 V |
| Core LDO Output | — | 1.8 V (internal) |
| 安装类型 | — | Surface Mount |
| Power Mode | — | Bus-powered or self-powered |
| Overcurrent Detection | — | Per port (external power switch required) |
| MSL 等级 | — | 3 |
| Lead-Free | — | Yes |