PCA9554DB vs PCA9554ABS3,118 对比
详细并排对比 PCA9554DB 出自 Texas Instruments 和 PCA9554ABS3,118 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 | PCA9554DB | PCA9554ABS3,118 |
|---|---|---|
| 品牌 | Texas Instruments | NXP Semiconductors |
| 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） | $0.00 | $0.78 |
| 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 | — |
| Interrupt Output | Present | /INT, open-drain |
| Weak Pull-Ups | Present | — |
| 封装 | 16-pin SSOP | 16-HVQFN (3x3 mm) with exposed pad |
| 安装类型 | Surface mount | Surface Mount |
| 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] | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| 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] | — |
| 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) |
| 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) |
| RoHS 状态 | — | Compliant |
| MSL 等级 | — | [DATA_NEEDED: MSL rating] |