TCA6408AQPWRQ1 Part Information

Details for TCA6408AQPWRQ1 by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs

Part Description

The TCA6408A-Q1 is a 16-pin device that provides 8bits 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.

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Part Specifications

Chip Configuration 8bit
Bus Frequency 400kHz
IC Interface Type I2C SMBus
Supply Voltage Min 1.65V
Supply Voltage Max 3.6V
Interface Case Style TSSOP
No. of Pins 16Pins
No. of I/O's 8I/O's
Product Range -
Automotive Qualification Standard AEC-Q100
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • I/O EXPANDER, 8BIT, 400KHZ, TSSOP-16; Chip Configuration:8bit; Bus Frequency:400kHz; IC Interface Type:I2C, SMBus; Supply Voltage Min:1.65V; Supply Voltage Max:3.6V; Interface Case Style:TSSOP; No. of Pins:16Pins; No. of RoHS Compliant: Yes | Newark Electronics
  • Automotive 8-bit translating I2C/SMBus I/O expander with interrupt, reset & config registers | Texas Instruments

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