I/O Expanders

(365 results)

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 #	Manufacturer	Description	Availability	Pricing
PCA6107DW I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 18-SOIC -40 to 85	In Stock	188+: $1.40800
PCA6107DWR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 18-SOIC -40 to 85	In Stock	166+: $1.59280
PCA9534ADB I/O Expanders	Texas Instruments	Remote 8-Bit I²C and Low-Power I/O Expander With Interrupt Output and Configuration Registers 16-SSOP -40 to 85	409	1+: $2.66640 10+: $1.99584 80+: $1.66936 Show More
PCA9534ADBR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and Low-Power I/O Expander With Interrupt Output and Configuration Registers 16-SSOP -40 to 85	In Stock	2000+: $1.22537 4000+: $1.19926 6000+: $1.18617
PCA9534ADGVR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and Low-Power I/O Expander With Interrupt Output and Configuration Registers 16-TVSOP -40 to 85	In Stock	183+: $1.44320 2000+: $1.22537 4000+: $1.19926 Show More
PCA9536DGKRG4 I/O Expanders	Texas Instruments	4-bit 2.3- to 5.5-V I2C/SMBus I/O expander with config registers 8-VSSOP -40 to 85	In Stock	2500+: $0.55131 5000+: $0.53847 7500+: $0.53204 Show More
PCA9536DR I/O Expanders	Texas Instruments	4-Bit I2C/SMBus I/O Expander, 400kHz, 8-SOIC, SM	5604	1+: $1.17920 10+: $0.85800 25+: $0.77722 Show More
PCA9536DRG4 I/O Expanders	Texas Instruments	Remote 4-Bit I²C and SMBus I/O Expander With Configuration Registers 8-SOIC -40 to 85	In Stock	2500+: $0.55131 5000+: $0.53847 7500+: $0.53204 Show More
PCA9538DB I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 16-SSOP -40 to 85	In Stock	176+: $1.49600
PCA9538DGVR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 16-TVSOP -40 to 85	In Stock	2000+: $1.11452 4000+: $1.09035 6000+: $1.07825
PCA9539DB I/O Expanders	Texas Instruments	Remote 16-Bit I²C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers 24-SSOP -40 to 85	30	1+: $3.03772 10+: $2.57828 30+: $2.29028
PCA9539DW I/O Expanders	Texas Instruments	Remote 16-Bit I²C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers 24-SOIC -40 to 85	200	1+: $2.99485
PCA9539PWRE4 I/O Expanders	Texas Instruments	Remote 16-Bit I²C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers 24-TSSOP -40 to 85	In Stock	2000+: $1.62195 4000+: $1.58910
PCA9554ADBR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-SSOP -40 to 85	30	1+: $2.01257 10+: $1.77428 30+: $1.60628
PCA9554ADGVR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TVSOP -40 to 85	In Stock	180+: $1.46080 2000+: $0.69833 6000+: $0.67247 Show More
PCA9554APWG4 I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TSSOP -40 to 85	In Stock	450+: $0.74198
PCA9554APWR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-TSSOP -40 to 85	In Stock	2000+: $0.69833 6000+: $0.67247 10000+: $0.64661
PCA9554DBR I/O Expanders	Texas Instruments	I2C/SMBus Interface 400kHz 5.5V 16-Pin SSOP T/R	532	1+: $1.95360 10+: $1.44936 25+: $1.32211 Show More
PCA9554PWR I/O Expanders	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-TSSOP -40 to 85	577	1+: $1.70743 10+: $1.44857 30+: $1.28743 Show More
PCA9554PWRG4 I/O Expanders	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-TSSOP -40 to 85	In Stock	2000+: $1.05841 4000+: $1.03525 6000+: $1.02364
PCA9555DW I/O Expanders	Texas Instruments	Remote 16-Bit I²C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-SOIC -40 to 85	954	1+: $2.66640 10+: $1.99496 25+: $1.82723 Show More
PCA9555PWRE4 I/O Expanders	Texas Instruments	Remote 16-Bit I²C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-TSSOP -40 to 85	In Stock	2000+: $1.02974 4000+: $1.00708 6000+: $0.99574
PCA9557DB I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus Low-Power I/O Expander with Reset and Configuration Registers 16-SSOP -40 to 85	In Stock	161+: $1.63680 1040+: $1.09945
PCA9557DT I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus Low-Power I/O Expander with Reset and Configuration Registers 16-SOIC -40 to 85	357	1+: $1.64560 10+: $1.21352 25+: $1.10493 Show More
PCA9557PWT I/O Expanders	Texas Instruments	8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers 16-TSSOP -40 to 85	304	1+: $1.64560 10+: $1.21352 25+: $1.10493 Show More