PCA9500PW vs PCA9555DB 对比
详细并排对比 PCA9500PW 出自 NXP Semiconductors 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。
规格对比
| 参数 | PCA9500PW | PCA9555DB |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| Product Type | 8-bit I2C-bus and SMBus I/O port expander with EEPROM | — |
| Number of I/O Pins | 8 pins | — |
| I/O Direction Control | Independent input or output configuration per pin | — |
| I/O Port Type | Quasi-bidirectional | — |
| Integrated EEPROM Capacity | 2 kbit | — |
| Bus Interface | I2C-bus and SMBus | — |
| Maximum Bus Frequency | 400 kHz | — |
| Supply Voltage Range | 2.5 V to 3.6 V | — |
| 工作温度范围 | -40 °C to +85 °C | [DATA_NEEDED: operating temperature range] |
| Hardware Address Inputs | 3 address pins | — |
| Maximum Devices on One Bus | 8 devices | — |
| 封装 | 16-pin TSSOP | — |
| 安装类型 | Surface mount | Surface mount |
| GPIO and EEPROM Addressing | Two separate devices visible to the bus master | — |
| Reference Interface | PCF8574-compatible configuration method | — |
| RoHS Compliance | [DATA_NEEDED: verified RoHS status] | — |
| REACH Compliance | [DATA_NEEDED: verified REACH status] | — |
| Automotive Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| 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] |
| RoHS 状态 | — | unknown |
| REACH Status | — | unknown |
| AEC-Q100 Qualification | — | [DATA_NEEDED: automotive qualification status] |