PCF8575 Remote 16-bit I/O Expander For I2C-bus

The PCF8575 is a silicon CMOS circuit. It provides general purpose remote I/O expansion for most Microcontroller families via the two-line bidirectional bus (IC-bus).The device consists of a 16-bit quasi-bidirectional port and an IC-bus Interface The PCF8575 has a low current consumption and includes latched outputs with high current drive capability for directly driving LEDs It also possesses an interrupt line (INT) which CAN be connected to the interrupt Logic of the Microcontroller By sending an interrupt signal on this line, the remote I/O CAN inform the Microcontroller if there is incoming data on its ports without having to communicate via the IC-bus. This means that the PCF8575 is an IC-bus slave transmitter/receiver.Every data transmission from the PCF8575 must consist of an even number of bytes, the first byte will be referred to as P07 to P00 and the second byte as P17 to P10. The third will be referred to as P07 to P00 and so on.
By NXP Semiconductors
Part Manufacturer Description Datasheet Samples
PCF8575CPWG4 Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-TSSOP -40 to 85
PCF8575CPWRE4 Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-TSSOP -40 to 85
PCF8575CPWRG4 Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-TSSOP -40 to 85
PCF8575CPW Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-TSSOP -40 to 85
PCF8575CPWR Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-TSSOP -40 to 85
PCF8575CRGERG4 Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-VQFN -40 to 85
PCF8575CRGER Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-VQFN -40 to 85
PCF8575CDGVR Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-TVSOP -40 to 85
PCF8575CDBQRE4 Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-SSOP -40 to 85
PCF8575CDBQR Texas Instruments Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output 24-SSOP -40 to 85
PCF8575 's PackagesPCF8575 's pdf datasheet
PCF8575TS-1 SSOP

PCF8575 pdf datasheet download


PCF8575 Pinout, Pinouts
PCF8575 pinout,Pin out
This is one package pinout of PCF8575,If you need more pinouts please download PCF8575's pdf datasheet.

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