I/O Expanders

Devices in this family are used in conjunction with microcontrollers, microprocessors, or similar devices for the purpose of increasing the number of signal connections available for connecting peripheral devices. The typical concept of operation involves the use of serial communications requiring only a few I/O lines on the host device to read/write the status of many input/output pins on the expander device. The technique exchanges speed of communication for increased connectivity, and is best suited for applications where fast response is not critical, such as in many human interface applications.

Part Number Manufacturer Description Quantity Price Option
PCA9534RGVRG4 Texas Instruments IC I/O EXPANDER I2C 8B 16QFN 0 $0.77
PCA9534ARGTRG4 Texas Instruments IC I/O EXPANDER I2C 8B 16VQFN 0 $0.77
PCA9534PWRG4 Texas Instruments IC I/O EXPANDER I2C 8B 16TSSOP 0 $0.77
XRA1206IL16-F MaxLinear, Inc. IC I/O PORT EXPANDER I2C 16QFN 45 $0.76
W83L603G Nuvoton Technology Corporation of America IC I/O EXPANDER SMBUS 8B 14SOIC 0 $0.76
IS31IO7325-GRLS4 ISSI (Integrated Silicon Solution, Inc.) IC MULTI-FUNCTION I/O DVR 24SOP 0 $0.72
PI4IOE5V9673ZDEX Diodes Incorporated IC I/O EXPANDER 16B I2C 24TQFN 0 $0.70
PI4IOE5V9555ZDEX Diodes Incorporated IC I/O EXPANDER 16B I2C 24TQFN 0 $0.70
PCF8574DWRG4 Texas Instruments IC I/O EXPANDER I2C 8B 16SOIC 0 $0.69
PCA9554APWR Texas Instruments IC I/O EXPANDER I2C 8B 16TSSOP 0 $0.00