PCA9554ABS3,118 vs PCA9554DBR 对比
详细并排对比 PCA9554ABS3,118 出自 NXP Semiconductors 和 PCA9554DBR 出自 Texas Instruments。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 | PCA9554DBR |
|---|---|---|
| 品牌 | NXP Semiconductors | Texas Instruments |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | — | 有库存 |
| 单价（USD） | — | $1.55 |
| 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 | Present |
| 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 | [DATA_NEEDED: operating temperature range] |
| 封装 | 16-HVQFN (3x3 mm) with exposed pad | 16-pin SSOP |
| 安装类型 | Surface Mount | Surface mount |
| RoHS 状态 | Compliant | — |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| 功能 | — | 8-bit I2C/SMBus I/O expander with interrupt |
| Number of I/O Lines | — | 8 |
| Operating Voltage Range | — | 2.3 V to 5.5 V |
| 接口 | — | I2C/SMBus |
| Maximum Bus Frequency | — | 400 kHz |
| Configuration Registers | — | Present |
| Weak Pull-Ups | — | Present |
| Device Class | — | General-purpose remote I/O expander |
| 输出配置 | — | Individually configurable input/output ports |
| Bus Signals | — | SCL and SDA |
| Compliance Status | — | [DATA_NEEDED: RoHS status] |
| 电源电流 | — | [DATA_NEEDED: typical and maximum supply current] |
| Output Drive Capability | — | [DATA_NEEDED: output current and output voltage characteristics] |
| Input Threshold | — | [DATA_NEEDED: input voltage thresholds] |
| Address | — | [DATA_NEEDED: I2C device address] |
| Pinout | — | [DATA_NEEDED: complete manufacturer pin names and electrical descriptions] |