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
IS82C55A-5Z96 Renesas Electronics America Inc. IC I/O EXPANDER 24B 44PLCC 0 $10.99
CP82C55A Renesas Electronics America Inc. IC I/O EXPANDER 24B 40DIP 5 $6.03
CMQ82C55AZ Renesas Electronics America Inc. IC I/O EXPANDER 24B 44MQFP 0 $5.81
MAX7300AAX+T Maxim Integrated IC I/O EXPANDER I2C 28B 36SSOP 0 $5.81
CMQ82C55AZ96 Renesas Electronics America Inc. IC I/O EXPANDER 24B 44MQFP 0 $5.06
CY8C9560A-24AXIT Cypress Semiconductor Corp IC I/O EXPANDER I2C 60B 100LQFP 0 $4.66
CS82C55A-5Z Renesas Electronics America Inc. IC I/O EXPANDER 24B 44PLCC 0 $4.63
CS82C55A-5Z96 Renesas Electronics America Inc. IC I/O EXPANDER 24B 44PLCC 0 $4.63
CMS82C55AZ96 Renesas Electronics America Inc. IC I/O EXPANDER 24B 44PLCC 0 $4.63
CMS82C55AZ Renesas Electronics America Inc. IC I/O EXPANDER 24B 44PLCC 0 $4.63