Texas Instruments TCA6408APWR I/O Expander 8bit 400 kHz I2C 1.65 V 5.5 Tssop

The TCA6408APWR is an 8-bit I²C and SMBus I/O Expander provides 8-bit 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 to 5.5V 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 5V power supply. The device supports both 100kHz (standard-mode) and 400kHz (fast-mode) clock frequencies. It provides a simple solution when additional I/Os are needed for switches, sensors, push-buttons, LEDs, fans and so forth.

• Active-low reset (RESET)\ input
• Open-drain active-low interrupt (INT)\ output
• Input/output configuration register
• Polarity inversion register
• Internal power-ON reset
• Power up with all channels configured as inputs
• No glitch on power-up
• Noise filter on SCL/SDA input
• Latched outputs with high-current drive maximum capability for directly driving LEDs
• Schmitt-trigger action allows slow input transition and better switching noise immunity
• 1µA Low standby current consumption
• 5V Tolerant i/o ports
• 400kHz Fast I²C bus
• Green product and no Sb/Br

Applications

Industrial, Automation & Process Control, Computers & Computer Peripherals, Consumer Electronics, Communications & Networking

Warnings Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

Other details

Brand	TEXAS INSTRUMENTS
Part Number	TCA6408APWR
Quantity	Each (Supplied on Cut Tape)

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