PCA9555DBR vs TCA9555PWR 对比
详细并排对比 PCA9555DBR 出自 NXP Semiconductors 和 TCA9555PWR 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
PCA9555DBR - 16-Bit I2C GPIO Expander with Interrupt | NXP (Tape & Reel)
PCA9555DBR ✓ 量产中
规格对比
| 参数 | PCA9555DBR | TCA9555PWR |
|---|---|---|
| 品牌 | NXP Semiconductors | Texas Instruments |
| 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 | Yes, active-low open-drain INT |
| 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] | — |
| RoHS 状态 | unknown | Compliant |
| REACH Status | unknown | — |
| AEC-Q100 Qualification | [DATA_NEEDED: automotive qualification status] | — |
| 功能 | — | 16-bit I2C/SMBus I/O expander |
| Number of I/O | — | 16 |
| 接口 | — | I2C, SMBus |
| 最大时钟频率 | — | 400 kHz (TI) / 1 MHz (UMW second-source) |
| I2C Address Pins | — | 3 (A0, A1, A2) - up to 8 devices per bus |
| Configuration Registers | — | Yes (direction, polarity, mask) |
| Weak Pull-up Resistors | — | Programmable per port |
| Supply Voltage (VCC) | — | 1.65 V to 5.5 V |
| Output Current per Bit | — | -25 mA to +25 mA (sink/source) |
| I/O Voltage Tolerance | — | 5 V tolerant |
| 工作温度 | — | -40 C to +85 C |
| 封装 | — | 24-pin TSSOP (PW) |
| MSL 等级 | — | 1 (260 C, unlimited floor life per JEDEC J-STD-020) |
| REACH | — | Compliant |