TCA6408AQPWRQ1 编带
The TCA6408A-Q1 is a 16-pin device that provides 8-bits of general purpose parallel input and output I/O expansion for the two-line bidirectional I2C bus or SMBus protocol. This device can operate with a power supply voltage ranging from 1.65 V to 3.6 V on both the I2C bus side VCCI and on the P-port side VCCP. This allows the TCA6408A-Q1 to interface with next-generation microprocessors and microcontrollers on the SDA/SCL side, where supply levels are dropping down to conserve power. In contrast to the dropping power supplies of microprocessors and microcontrollers, some PCB components such as LEDs remain at a higher power supply.
The device supports both 100-kHz Standard-mode and 400-kHz Fast-mode clock frequencies. I/O expanders such as the TCA6408A-Q1 provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, and so forth.
型号 | 品牌 | 下载 |
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TCA6408AQPWRQ1 | TI 德州仪器 | 下载 |
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