PCA9539DWR vs PCA9555DB 对比
详细并排对比 PCA9539DWR 出自 Texas Instruments 和 PCA9555DB 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。
Texas Instruments
PCA9539DWR - 16-Bit 2.3-5.5V I/O Expander | Texas Instruments (Tape & Reel)
PCA9539DWR ✓ 量产中
规格对比
| 参数 | PCA9539DWR | PCA9555DB |
|---|---|---|
| 品牌 | Texas Instruments | NXP Semiconductors |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| Product Type | 16-bit I/O expander | — |
| I/O Pin Count | 16 pins | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| Serial Bus Interface | I2C/SMBus | — |
| Maximum Bus Clock | 400 kHz | — |
| 输出配置 | Push-pull | — |
| Output Source Current | 10 mA and 25 mA options | — |
| Output Sink Current | 10 mA and 25 mA options | — |
| Interrupt | Yes | — |
| Reset | Yes | — |
| Configuration Registers | Yes | — |
| Power-On Reset | Yes | — |
| Internal I/O Pull-Up Resistors | Removed according to TI product comparison | — |
| 工作温度 | -40 C to +85 C | — |
| 封装 | 24-pin SOIC (DW) | — |
| 安装类型 | Surface Mount | Surface mount |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | unknown |
| REACH Status | [DATA_NEEDED: REACH status] | unknown |
| Device Type | — | 16-bit I2C/SMBus GPIO expander with interrupt |
| GPIO Count | — | 16 bits |
| Operating Voltage Range | — | 2.3 V to 5.5 V |
| I2C Maximum Frequency | — | 400 kHz |
| I2C/SMBus Interface | — | Two-wire serial interface |
| I/O Port Configuration | — | Input or output per bit |
| I/O Port Tolerance | — | 5 V tolerant |
| Interrupt Output | — | Active-low, open-drain |
| Standby Current | — | 1 uA maximum |
| Package Type | — | SSOP-24 |
| Package Pitch | — | 1.0 mm |
| Device Pin Count | — | 24 pins |
| Serial Addressing | — | Seven-bit I2C address; [DATA_NEEDED: address table] |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: automotive qualification status] |