LOW-VOLTAGE 24-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

This 24-bit I/O expander for the two-line bidirectional bus (I 2 C) is designed to provide general-purpose remote I/O expansion for most Microcontroller families via the I 2 C Interface [serial Clock (SCL) and serial data (SDA)]. The major benefit of this device is its wide V CC range. It CAN operate from 1.65 V to 5.5 V on the P-port side and on the SDA/SCL side. This allows the TCA6424 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 bidirectional voltage level translation in the TCA6424 is provided through V CCI . V CCI should be connected to the V CC of the external SCL/SDA lines. This indicates the V CC level of the I 2 C bus to the TCA6424. The voltage level on the P-port of the TCA6424 is determined by the V CCP . By Texas Instruments
Part Manufacturer Description Datasheet Samples
TCA6424RGJR Texas Instruments Low-voltage 24-bit I2C & SMBus I/O expander with interrupt output reset & config registers 32-UQFN -40 to 85
TCA6424ARGJR Texas Instruments Low-voltage 24-bit I2C & SMBus I/O expander 32-UQFN -40 to 85
TCA6424 's PackagesTCA6424 's pdf datasheet
TCA6424RGJR QFN
PH424 QFN




TCA6424 Pinout, Pinouts
TCA6424 pinout,Pin out
This is one package pinout of TCA6424,If you need more pinouts please download TCA6424's pdf datasheet.

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