
This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I2C) is designed for 2.5V to 6V VCC operation. The PCF8574A device provides general-purpose remote I/O expansion for most …
The PCF8574/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)). The devices consist of eight quasi-bidirectional ports, 100 …
PCF8574A by Texas Instruments Datasheet | DigiKey
View PCF8574A by Texas Instruments datasheet for technical specifications, dimensions and more at DigiKey.
PCF8574A Datasheet (PDF) - Texas Instruments
Description: REMOTE 8BIT I/O EXPANDER FOR I2C BUS. Manufacturer: Texas Instruments.
Each of the PCF8574’s eight I/Os can be independently used as an input or output. Input data is transferred from the port to the microcontroller by the READ mode (see Fig.12). Output data is …
I2C-bus PCF8574A Open-collector Output Driver Board - $10.65
The PCF8574A is an I2C bus controller that communicates with a microcontroller and receives commands to control the output ports. It supports a 100kHz bus frequency and can be connected to …
PCF8574/74A | NXP Semiconductors
The PCF8574/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I²C‑bus (serial clock (SCL), serial data (SDA)). The devices consist of eight quasi-bidirectional ports, 100 kHz …