I/O Expanders

(1553 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
PCA9536DGKR I/O Expanders	Texas Instruments	I2C I/O Expander, 4-Bit, 400kHz, 5.5V, VSSOP	12288	1+: $1.17920 10+: $0.85800 25+: $0.77722 Show More
PCA9555DBQR I/O Expanders	Texas Instruments	Remote 16-Bit I²C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-SSOP -40 to 85	In Stock	1+: $1.89200 10+: $1.40184 25+: $1.27811 Show More
PCA9555DBR I/O Expanders	Texas Instruments	Remote 16-Bit I²C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-SSOP -40 to 85	5652	10+: $1.44857 30+: $1.27885 100+: $1.10400 Show More
PCA9555DGVR I/O Expanders	Texas Instruments	16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 24-TVSOP -40 to 85	In Stock	154+: $1.71600 2000+: $1.12526 4000+: $1.10090 Show More
PCA9555DWR 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	129	1+: $3.27257 10+: $2.80285 30+: $2.52515
PCA9555PWR I/O Expanders	Texas Instruments	16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 24-TSSOP -40 to 85	2044	1+: $1.02857 10+: $0.83485 30+: $0.73715 Show More
PCA9557DBR 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	1115	1+: $1.77760 10+: $1.31120 25+: $1.19504 Show More
PCA9557DGVR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus Low-Power I/O Expander with Reset and Configuration Registers 16-TVSOP -40 to 85	In Stock	1+: $1.77760 10+: $1.31120 25+: $1.19504 Show More
PCF8575RGER I/O Expanders	Texas Instruments	16-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt 24-VQFN -40 to 85	222	1+: $3.47315 10+: $2.98457 30+: $2.58172 Show More
PCA9534DWR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and Low-Power I/O Expander With Interrupt Output and Configuration Registers 16-SOIC -40 to 85	160	1+: $2.23543 10+: $1.88400 30+: $1.66628
PCA9554ADWR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85	88	1+: $1.68515 10+: $1.41600 30+: $1.24800
PCA9554DWR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus I/O Expander with Interrupt Output and Configuration Registers 16-SOIC -40 to 85	In Stock	170+: $1.54880
PCA9557RGVR I/O Expanders	Texas Instruments	Remote 8-Bit I²C and SMBus Low-Power I/O Expander with Reset and Configuration Registers 16-VQFN -40 to 85	3742	1+: $1.32000 10+: $0.96272 25+: $0.87402 Show More
CAT9554AWI-GT2 I/O Expanders	onsemi	I/O Port Expander, I²C / SMBus, 8-Bit, with Active Low Interrupt, SOIC-16, 150 mils, 2000-REEL	In Stock	279+: $0.94160 2000+: $0.59597 4000+: $0.56100
CAT9554AYI-GT2 I/O Expanders	onsemi	I/O Port Expander, I²C / SMBus, 8-Bit, with Active Low Interrupt, TSSOP16, 4.4x5, 2500-REEL	In Stock	279+: $0.94160
CAT9554WI-GT2 I/O Expanders	onsemi	I/O Port Expander, I²C / SMBus, 8-Bit, with Active Low Interrupt, SOIC-16, 150 mils, 2000-REEL	In Stock	2000+: $0.59597 4000+: $0.56100
CAT9555WI-T1 I/O Expanders	onsemi	I/O Port Expander, I²C / SMBus, 16-Bit, with Active Low Interrupt, SOIC-24, 300 mils, 1000-REEL	In Stock	1000+: $0.70820 2000+: $0.65503 3000+: $0.62803 Show More
CY8C9520A-24PVXI I/O Expanders	Infineon Technologies	IC XPNDR 100KHZ I2C 28SSOP	435	1+: $5.27120 10+: $4.03832 47+: $3.56081 Show More
CY8C9540A-24PVXI I/O Expanders	Infineon Technologies	IC XPNDR 100KHZ I2C 48SSOP	126	1+: $10.02320 10+: $7.85312 30+: $7.21923 Show More
CY8C9560A-24AXI I/O Expanders	Infineon Technologies	IC XPNDR 100KHZ I2C 100TQFP	17	1+: $14.09828 10+: $13.40228 30+: $12.19543
CY8C9520A-24PVXIT I/O Expanders	Infineon Technologies	IC XPNDR 100KHZ I2C 28SSOP	In Stock	1+: $5.21485 10+: $5.09828 30+: $5.02115 Show More
CY8C9540A-24PVXIT I/O Expanders	Infineon Technologies	IC XPNDR 100KHZ I2C 48SSOP	447	1+: $10.02320 10+: $7.85312 25+: $7.31139 Show More
CY8C9560A-24AXIT I/O Expanders	Infineon Technologies	IC XPNDR 100KHZ I2C 100TQFP	In Stock	1500+: $6.15357
STMPE2401TBR I/O Expanders	STMicroelectronics	24 I/O, PIA-GENERAL PURPOSE, PBGA36, LEAD FREE, TFBGA-36	8867	3000+: $1.21000
STMPE801MTR I/O Expanders	STMicroelectronics	IC I/O EXPANDER I2C 8B 16SOIC	In Stock	2500+: $0.97205 5000+: $0.95162 7500+: $0.94140