LOW VOLTAGE 16-BIT I 2 C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

This 16-bit I/O expander for the two-line bidirectional bus (I 2 C) is designed for 1.65-V to 5.5-V V CC operation. It provides general-purpose remote I/O expansion for most Microcontroller families via the I 2 C Interface [serial Clock (SCL), serial data (SDA)]. The TCA9535 consists of two 8-bit Configuration (input or output selection), Input Port, Output Port, and Polarity Inversion (active-high or active-low operation) Registers At power on, the I/Os are configured as inputs. The system master CAN enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding Input or Output Port Register The polarity of the Input Port Register CAN be inverted with the Polarity Inversion Register All Registers CAN be read by the system master. The system master CAN reset the TCA9535 in the event of a timeout or other improper operation by utilizing the power-on reset feature, which puts the Registers in their default state and initializes the I 2 C SMBus state machine. By Texas Instruments
Part Manufacturer Description Datasheet Samples
TCA9535MRGER Texas Instruments Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-VQFN -40 to 85
TCA9535PWR Texas Instruments Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-TSSOP -40 to 85
TCA9535RGER Texas Instruments Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-VQFN -40 to 85
TCA9535RTWR Texas Instruments Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-WQFN -40 to 85
TCA9535DBR Texas Instruments Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-SSOP -40 to 85
TCA9535DBT Texas Instruments Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers 24-SSOP -40 to 85
TCA9535 's PackagesTCA9535 's pdf datasheet
TCA9535PWR TSSOP
TCA9535RTWR QFN
PW535




TCA9535 Pinout, Pinouts
TCA9535 pinout,Pin out
This is one package pinout of TCA9535,If you need more pinouts please download TCA9535's pdf datasheet.

TCA9535 Application circuits
TCA9535 circuits
This is one application circuit of TCA9535,If you need more circuits,please download TCA9535's pdf datasheet.


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