Rochester Electronics Datasheets for Bus Expanders

Bus expanders are computer boards or cable systems that connect to other interface boards, using only one I/O slot while remaining compliant with the bus standard.
Bus Expanders: Learn more

Product Name Notes
12-Bit I/O Expander
54H62 - 4-Wide AND-OR Expanders
933 - Dual Four Input Expander
933H - Dual Four Input Expander
Dual Four Input Expander
I/O EXPANDER I2C -BUS 16SSOP
IC I/O EXPANDER I2C 16B 24SOIC
IC I/O EXPANDER I2C 8B 16SOIC
IC I/O EXPANDER I2C 8B 16TSSOP
IO EXPANDER
PCA9674 - IC I/O EXPANDER I2C 8B 16TSSOP
PCF8574 Remote 8-Bit I/O Expander for I2C-Bus
PCF8575 Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output
PCF8575C Remote 16-Bit I2C and SMBus I/O Expander with Interrupt Output
R8A66152SP 12-Bit I/O Expander with LED Drive Function
R8A66154SP 8-Bit I/O Expander with LED Drive Function
R8A66155SP 16-Bit I/O Expander with LED Drive Function
R8A66156SP 24-Bit I/O Expander with LED Drive Function
TCA9538 Remote 8-Bit I2C and SMBus Low-Power I/O Expander
TCA9554A Remote 8-Bit I2C and SMBus I/O Expander