PCA9557DT vs PCA9557D 比較
詳細並排比較 PCA9557DT 由 Texas Instruments 與 PCA9557D 由 Texas Instruments. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
Texas Instruments
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ 停產規格比較
| 參數 | PCA9557DT | PCA9557D |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 類別 | Interface ICs | Interface ICs |
| 生命週期狀態 | NRND | 停產終止 |
| Device Type | 8-bit I2C/SMBus low-power I/O expander | — |
| Number of I/O Ports | 8 | — |
| Operating Supply Voltage Range | 2.3 V to 5.5 V | — |
| I2C/SMBus Clock Frequency | 400 kHz | — |
| Standby Current Consumption | 1 uA maximum | — |
| 介面 | I2C and SMBus | I2C, SMBus |
| 輸出類型 | Open-drain and push-pull | — |
| Output Source Current | 10 mA | — |
| Output Sink Current | 25 mA | — |
| Reset Function | Reset register and reset input functionality | — |
| Configuration Function | Configuration register | — |
| Interrupt Output | No interrupt output | — |
| Programmability | Not verified | — |
| 工作溫度 | -40 C to +85 C | -40 C to +85 C |
| 封裝 | 16-SOIC | 16-SOIC (DR, 7.5 mil pitch) |
| Package Width | 3.90 mm | — |
| 安裝類型 | Surface mount | Surface Mount |
| 生命週期狀態 | Obsolete according to Digi-Electronics listing | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Number of I/O Bits | — | 8 |
| Bus Frequency (Max) | — | 400 kHz |
| Supply Voltage (VCC) | — | 2.3 V to 5.5 V |
| 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 等級 | — | 1 (unlimited floor life) |
| Lead-Free | — | Yes |
| Configuration Registers | — | Input/output direction registers, polarity inversion |