FT4222HQ-R vs FT4222HQ-D-R 对比
详细并排对比 FT4222HQ-R 出自 FTDI 和 FT4222HQ-D-R 出自 FTDI。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 | FT4222HQ-R | FT4222HQ-D-R |
|---|---|---|
| 品牌 | FTDI | FTDI |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.20 | $2.85 |
| 功能 | USB 2.0 to Quad SPI / I2C Bridge | USB 2.0 to Quad-SPI / I2C Bridge Controller |
| USB Speed | High-Speed (480 Mbps) / Full-Speed (12 Mbps) | Hi-Speed (480 Mbps) / Full-Speed (12 Mbps) USB 2.0 |
| SPI Modes | Single, Dual, Quad SPI | — |
| Maximum SPI Data Rate | 53.8 Mbps | — |
| I2C Support | Yes (master) | — |
| GPIO Pins | 4 (configurable drive strength and slew rate) | — |
| I/O Voltage | 3.3 V / 2.5 V / 1.8 V selectable | — |
| Core Supply Voltage | 3.3 V | — |
| External Crystal Frequency | 12 MHz | — |
| OTP Memory | 128 bytes | 128 bytes one-time-programmable |
| 封装 | VQFN-32 (5 x 5 mm, 0.5 mm pitch, exposed pad) | VQFN-32 EP (5x5 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C | -40C to +85C |
| MSL 等级 | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL rating] |
| RoHS 状态 | Compliant | Compliant |
| Downstream Interfaces | — | Quad-SPI (up to 4 SPI slaves), I2C master/slave |
| Maximum Throughput | — | 53.8 Mbps |
| I/O Voltage (VCCIO) | — | 1.8 V / 2.5 V / 3.3 V (multi-voltage) |
| Supply Voltage (VBUS) | — | 5 V (USB bus powered) |
| Internal Regulator | — | 5 V1 to 3.3 V LDO integrated |
| Clock Source | — | External 12 MHz crystal (internal PLL) |
| GPIOs | — | Multiplexed with SPI data lines |