SN74LXC1T45 是一款 1 位双电源同相双向电压电平转换器件。I/O 引脚 A 和控制引脚 (DIR) 以 VCCA 逻辑电平为基准,I/O 引脚 B 以 VCCB 逻辑电平为基准。A 引脚能够接受 1.1V 至 5.5V 的 I/O 电压,而 B 引脚可接受 1.1V 至 5.5V 的 I/O 电压。DIR 上为高电平时允许数据从 A 传输到 B,DIR 上为低电平时允许数据从 B 传输到 A。请参阅器件功能模式,简要了解控制逻辑运行。
| Technology family | LXC |
| Applications | GPIO |
| Bits (#) | 1 |
| High input voltage (min) (V) | 0.44 |
| High input voltage (max) (V) | 5.5 |
| Vout (min) (V) | 1.1 |
| Vout (max) (V) | 5.5 |
| Data rate (max) (Mbps) | 420 |
| IOH (max) (mA) | -32 |
| IOL (max) (mA) | 32 |
| Supply current (max) (µA) | 4 |
| Features | Integrated pulldown resistors, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc disconnect, Vcc isolation |
| Input type | Schmitt-Trigger |
| Output type | Push-Pull |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| SOT-23 (DBV) | 6 | 8.12 mm² 2.9 x 2.8 |
| SOT-SC70 (DCK) | 6 | 4.2 mm² 2 x 2.1 |
| USON (DRY) | 6 | 1.45 mm² 1.45 x 1 |
| X2SON (DTQ) | 6 | 0.8 mm² 1 x 0.8 |