USB2503-HZE vs USB2503A-HZE 对比
详细并排对比 USB2503-HZE 出自 Microchip Technology 和 USB2503A-HZE 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 | USB2503-HZE | USB2503A-HZE |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| Product Type | USB 2.0 hub controller | USB 2.0 3-port hub controller |
| Number of Downstream Ports | 3 ports | — |
| USB Specification | USB 2.0 compliant | USB 2.0 |
| Low-Speed Support | 1.5 Mb/s | — |
| Full-Speed Support | 12 Mb/s | — |
| High-Speed Support | 480 Mb/s | — |
| Upstream Port | 1 upstream USB connection | — |
| Firmware Requirement | No firmware development required | No firmware development required |
| 封装 | 48-QFN (7x7 mm) | 48-QFN (7x7 mm) |
| 安装类型 | Surface mount | Surface Mount |
| Operating Voltage | [DATA_NEEDED: operating voltage] | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| Power Consumption | [DATA_NEEDED: power consumption] | — |
| USB Host Attachment | Full-speed hub or full-/high-speed hub | — |
| External Pull-Up Resistors | 10 kOhm recommended for SDA/SMBDATA and SCL/SMBCLK/CFG_SELO | — |
| Dynamic Power Switching | Supported through SELF_PWR monitoring | Enabled through external SELF_PWR monitoring |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Automotive Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Downstream Port Count | — | 3 ports |
| Upstream Port Count | — | 1 port |
| Transaction Translators | — | 3 |
| High-Speed Data Rate | — | 480 Mbit/s |
| Full-Speed Data Rate | — | 12 Mbit/s |
| Low-Speed Data Rate | — | 1.5 Mbit/s |
| Configuration Interface | — | SMBus-compatible SDA/SMBDATA and SCL/SMBCLK/CFG_SELO interface |
| SMBus Pull-Up Resistor | — | 10 kΩ recommended |
| Power Supply Input | — | VCC |
| Self-Powered Detection | — | External SELF_PWR pin |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| Core Supply Voltage | — | [DATA_NEEDED: core supply voltage] |
| I/O Supply Voltage | — | [DATA_NEEDED: I/O supply voltage] |
| Maximum USB Data Rate | — | 480 Mbit/s |