PCA9555DB vs PCA9500PW 对比
详细并排对比 PCA9555DB 出自 NXP Semiconductors 和 PCA9500PW 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 | PCA9555DB | PCA9500PW |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 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 | — |
| 安装类型 | Surface mount | Surface mount |
| 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] | -40 °C to +85 °C |
| RoHS 状态 | unknown | — |
| REACH Status | unknown | — |
| AEC-Q100 Qualification | [DATA_NEEDED: automotive qualification status] | — |
| 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 |
| Hardware Address Inputs | — | 3 address pins |
| Maximum Devices on One Bus | — | 8 devices |
| 封装 | — | 16-pin TSSOP |
| 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] |