IC Integrated Circuits TCA6408ARGTR VQFN-16 Interface ICs

Product Description:

The TCA6408A is a 16-pin device that provides 8- bits of general purpose parallel input/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 5.5 V on both the I2C bus side (VCCI) and on the P-port side (VCCP). This allows the TCA6408A 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 5-V power supply. The device supports both 100-kHz (Standard-mode) and 400-kHz (Fast-mode) clock frequencies. I/O expanders such as the TCA6408A provide a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans, and so forth.

Application:

• Servers • Routers (telecom switching equipment) • Personal computers • Personal electronics (gaming consoles) • Industrial automation • Products with GPIO-limited processors

Parameter Table:

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Quality Warranty Period:12 Months.

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All products were tested before shipment, and the quality problems were negligible.

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