P82B715D vs PCA9557D 对比
详细并排对比 P82B715D 出自 Texas Instruments 和 PCA9557D 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。
Texas Instruments
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ 停产规格对比
| 参数 | P82B715D | PCA9557D |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 停产 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.71 |
| Product Type | 2-bit bidirectional I2C/SMBus buffer and cable extender | — |
| Operating Supply Voltage Range | 3 V to 12 V | — |
| Nominal Maximum Bus Frequency | 400 kHz | — |
| Bidirectional Data Transfer | Supported | — |
| Number of Buffered Bits | 2 | — |
| Extended Bus Capacitance | 3 nF | — |
| Conventional I2C Bus Capacitance | 400 pF | — |
| 电源电流 | 22 mA | — |
| 输入电容 | 3000 pF | — |
| Delay Time | 250 ns | — |
| 封装 | 8-pin SOIC (D) | 16-SOIC (DR, 7.5 mil pitch) |
| 工作温度范围 | -40 C to +85 C | — |
| 安装类型 | Surface mount | Surface Mount |
| Bus Type | I2C/SMBus | — |
| Architecture | Unidirectional analog current amplification | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Number of I/O Bits | — | 8 |
| 接口 | — | I2C, SMBus |
| Bus Frequency (Max) | — | 400 kHz |
| Supply Voltage (VCC) | — | 2.3 V to 5.5 V |
| 工作温度 | — | -40 C to +85 C |
| Standby Current (Max) | — | 1 uA |
| Output Drive Current per Bit | — | [DATA_NEEDED: per-bit source/sink mA rating] |
| I/O Voltage Tolerance | — | 5.5 V tolerant |
| Reset Input | — | Active-low hardware RESET + software reset (general call) |
| Interrupt Output (INT) | — | Yes, open-drain |
| Slave Address Pins | — | A0, A1, A2 (3 pins, 8 addresses within family) |
| MSL 等级 | — | 1 (unlimited floor life) |
| Lead-Free | — | Yes |
| Configuration Registers | — | Input/output direction registers, polarity inversion |