PCA9554ABS3,118 vs PCA9554ADB 对比
详细并排对比 PCA9554ABS3,118 出自 NXP Semiconductors 和 PCA9554ADB 出自 NXP Semiconductors。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。
NXP Semiconductors
PCA9554ABS3,118 - 8-bit I2C/SMBus GPIO Expander w/ Interrupt | NXP
PCA9554ABS3,118 ✓ 量产中
规格对比
| 参数 | PCA9554ABS3,118 | PCA9554ADB |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 停产 |
| Interface Bus | I2C, SMBus | — |
| Number of I/O | 8 | — |
| Clock Frequency (Max) | 400 kHz | — |
| 电源电压 | 2.3 V to 5.5 V | — |
| I/O Voltage Tolerance | 5.5 V | — |
| I2C Address Selection | 3 hardware address pins (up to 8 devices) | — |
| Interrupt Output | /INT, open-drain | Yes |
| Default I2C Address (PCA9554A) | 0x38 (3-bit addr 000 = 0x38) | — |
| I/O Direction Configurability | Per-bit input or output | — |
| Internal Pull-ups | Configurable weak pull-ups per pin | — |
| Power-On Reset | Yes (all ports initialized as inputs) | — |
| 工作温度 | -40 C to +85 C | — |
| 封装 | 16-HVQFN (3x3 mm) with exposed pad | 16-pin SSOP |
| 安装类型 | Surface Mount | Surface mount |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS status] |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| Product Type | — | 8-bit I2C/SMBus I/O expander |
| Number of I/O Ports | — | 8 ports |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C Bus Frequency | — | 400 kHz maximum |
| 接口 | — | I2C and SMBus |
| Configuration Register | — | Yes |
| Polarity Inversion Register | — | Yes |
| Input Port Register | — | Yes |
| Output Port Register | — | Yes |
| Address Selection Pins | — | 3 pins: A0, A1, and A2 |
| Maximum Devices per Shared Bus | — | 8 devices |
| 工作温度范围 | — | -40 °C to +85 °C |
| Weak Pull-Up Feature | — | Yes |
| 生命周期状态 | — | End of life |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |