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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Package/Case	Interface Type	Number of I/Os	Interrupt Output	Supply Voltage - Min	Supply Voltage - Max	Maximum Clock Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	ESD Protection
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9539PWR PCA9539PWR Texas Instruments 1: $4.48 5,679In Stock	Mfr. Part No. PCA9539PWR Mouser Part No 595-PCA9539PWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9539PWR	Datasheet	5,679In Stock	Cut Tape $4.48 $3.40 $3.13 $2.83 Reel $2.53 View $2.69 $2.60 $2.42 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9539	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-Bit I2C and SMBus I/O Expander A 595-PCA9554DW PCA9554DGVR Texas Instruments 1: $3.69 990In Stock	Mfr. Part No. PCA9554DGVR Mouser Part No 595-PCA9554DGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and SMBus I/O Expander A 595-PCA9554DW	Datasheet	990In Stock	Cut Tape $3.69 $2.75 $2.52 $2.26 Reel $1.95 View $2.13 $2.09 $1.98 $1.93 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9554	SMD/SMT	TVSOP-16	I2C, Serial, SMBus	8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-TCA9554PWR PCA9554PWR Texas Instruments 1: $2.72 1,861In Stock	Mfr. Part No. PCA9554PWR Mouser Part No 595-PCA9554PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-TCA9554PWR	Datasheet	1,861In Stock	Cut Tape $2.72 $2.03 $1.86 $1.67 Reel $1.42 View $1.57 $1.54 $1.50 $1.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9554	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DWR PCA9555DW Texas Instruments 1: $5.53 922In Stock	Mfr. Part No. PCA9555DW Mouser Part No 595-PCA9555DW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DWR	Datasheet	922In Stock	$5.53 $4.22 $3.88 $3.52 View $3.37 $3.31 $3.29 $3.27	Min.: 1 Mult.: 1	PCA9555	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557DB PCA9557DBR Texas Instruments 1: $3.10 1,875In Stock	Mfr. Part No. PCA9557DBR Mouser Part No 595-PCA9557DBR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557DB	Datasheet	1,875In Stock	Cut Tape $3.10 $2.32 $2.13 $1.91 Reel $1.66 View $1.81 $1.78 $1.69 $1.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW PCA9557PWR Texas Instruments 1: $2.06 2,925In Stock 4,000Expected 22/03/2027	Mfr. Part No. PCA9557PWR Mouser Part No 595-PCA9557PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW Learn More about Texas Instruments ti pca95xx	Datasheet	2,925In Stock 4,000Expected 22/03/2027	Cut Tape $2.06 $1.52 $1.39 $1.24 Reel $1.08 View $1.17 $1.13 $1.10 $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574ADW A 595- A 595-PCF8574ADW PCF8574ADWR Texas Instruments 1: $1.59 8,421In Stock	Mfr. Part No. PCF8574ADWR Mouser Part No 595-PCF8574ADWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574ADW A 595- A 595-PCF8574ADW	Datasheet	8,421In Stock	Cut Tape $1.59 $1.16 $1.06 $0.935 Reel $0.783 View $0.879 $0.845 $0.837 $0.766 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574A	SMD/SMT	SOIC-16	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	1 kV
Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW PCF8574PWR Texas Instruments 1: $1.82 1,976In Stock 6,000Expected 12/04/2027	Mfr. Part No. PCF8574PWR Mouser Part No 595-PCF8574PWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW	Datasheet	1,976In Stock 6,000Expected 12/04/2027	Cut Tape $1.82 $1.34 $1.22 $1.09 Reel $0.923 View $1.02 $0.981 $0.978 $0.902 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574	SMD/SMT	TSSOP-20	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	1 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDBR PCF8575CDB Texas Instruments 1: $7.71 514In Stock	Mfr. Part No. PCF8575CDB Mouser Part No 595-PCF8575CDB	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDBR	Datasheet	514In Stock	$7.71 $5.96 $5.20 $4.98 View $4.74 $4.46 $4.36	Min.: 1 Mult.: 1	PCF8575C	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander TCA6408APWR Texas Instruments 1: $1.81 5,061In Stock	Mfr. Part No. TCA6408APWR Mouser Part No 595-TCA6408APWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	5,061In Stock	Cut Tape $1.81 $1.33 $1.21 $1.08 Reel $0.91 View $1.02 $0.974 $0.97 $0.89 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA6408A	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander TCA6408ARGTR Texas Instruments 1: $1.66 4,622In Stock 27,000Expected 21/01/2027	Mfr. Part No. TCA6408ARGTR Mouser Part No 595-TCA6408ARGTR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	4,622In Stock 27,000Expected 21/01/2027	Cut Tape $1.66 $1.22 $1.11 $0.981 Reel $0.822 View $0.923 $0.888 $0.882 $0.805 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6408A	SMD/SMT	VQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders I2C Controlled 18 Ch GPIO Expander TCA6418EYFPR Texas Instruments 1: $2.45 4,739In Stock	Mfr. Part No. TCA6418EYFPR Mouser Part No 595-TCA6418EYFPR	Texas Instruments	Interface - I/O Expanders I2C Controlled 18 Ch GPIO Expander	Datasheet	4,739In Stock	Cut Tape $2.45 $1.81 $1.65 $1.47 View Reel $1.14 $1.39 $1.35 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6418E	SMD/SMT	DSBGA-25	I2C, Serial	18 I/O	With Interrupt	1.65 V	3.6 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 16bit I2C LP I/O Expander A 595-T A 595-TCA9535DBT TCA9535DBR Texas Instruments 1: $2.04 2,006In Stock	Mfr. Part No. TCA9535DBR Mouser Part No 595-TCA9535DBR	Texas Instruments	Interface - I/O Expanders Remote 16bit I2C LP I/O Expander A 595-T A 595-TCA9535DBT Learn More about Texas Instruments ti tca9535 expander	Datasheet	2,006In Stock	Cut Tape $2.04 $1.51 $1.38 $1.23 Reel $1.04 View $1.16 $1.12 $1.09 $1.00 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9535	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536BDTMR Texas Instruments 1: $1.78 5,740In Stock	Mfr. Part No. TCA9536BDTMR Mouser Part No 595-TCA9536BDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	5,740In Stock	Cut Tape $1.78 $1.31 $1.19 $1.06 View Reel $0.859 $0.993 $0.956 $0.952 $0.92 $0.859 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536CDTMR Texas Instruments 1: $1.79 2,314In Stock	Mfr. Part No. TCA9536CDTMR Mouser Part No 595-TCA9536CDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	2,314In Stock	Cut Tape $1.79 $1.31 $1.19 $1.06 View Reel $0.873 $0.995 $0.957 $0.952 $0.894 $0.873 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536DGKR Texas Instruments 1: $1.69 6,021In Stock 7,500Expected 15/03/2027	Mfr. Part No. TCA9536DGKR Mouser Part No 595-TCA9536DGKR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	6,021In Stock 7,500Expected 15/03/2027	Cut Tape $1.69 $1.24 $1.12 $0.993 Reel $0.832 View $0.933 $0.897 $0.888 $0.814 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TCA9536	SMD/SMT	VSSOP-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander TCA9539PWR Texas Instruments 1: $1.95 13,856In Stock 14,000Expected 01/03/2027	Mfr. Part No. TCA9539PWR Mouser Part No 595-TCA9539PWR	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander	Datasheet	13,856In Stock 14,000Expected 01/03/2027	Cut Tape $1.95 $1.44 $1.31 $1.17 Reel $0.99 View $1.10 $1.06 $0.968 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9539	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan TCA9554DBR Texas Instruments 1: $1.89 2,019In Stock	Mfr. Part No. TCA9554DBR Mouser Part No 595-TCA9554DBR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	2,019In Stock	Cut Tape $1.89 $1.39 $1.27 $1.13 Reel $0.981 View $1.07 $1.03 $1.02 $0.935 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9554	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-B I2C & SM Bus I/O Expander TCA9554PWR Texas Instruments 1: $1.74 11,239In Stock	Mfr. Part No. TCA9554PWR Mouser Part No 595-TCA9554PWR	Texas Instruments	Interface - I/O Expanders Remote 8-B I2C & SM Bus I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	11,239In Stock	Cut Tape $1.74 $1.27 $1.15 $1.02 Reel $0.855 View $0.962 $0.924 $0.913 $0.836 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9554	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT TCA9555DBR Texas Instruments 1: $2.25 3,349In Stock	Mfr. Part No. TCA9555DBR Mouser Part No 595-TCA9555DBR	Texas Instruments	Interface - I/O Expanders 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT Learn More about Texas Instruments ti tca9555 io expander	Datasheet	3,349In Stock	Cut Tape $2.25 $1.67 $1.52 $1.36 Reel $1.19 View $1.28 $1.24 $1.22 $1.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9555	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416Q2LEX Diodes Incorporated 1: $2.34 2,298In Stock	Mfr. Part No. PI4IOE5V6416Q2LEX Mouser Part No 621-I4IOE5V6416Q2LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416q io expander	Datasheet	2,298In Stock	Cut Tape $2.34 $1.73 $1.54 $1.41 View Reel $1.17 $1.37 $1.35 $1.33 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K PI4IOE5V6534Q2ZLWEX Diodes Incorporated 1: $3.72 2,540In Stock 7,000Expected 07/05/2027	Mfr. Part No. PI4IOE5V6534Q2ZLWEX Mouser Part No 621-PI4IO565342ZLWEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v6534q expander	Datasheet	2,540In Stock 7,000Expected 07/05/2027	Cut Tape $3.72 $2.78 $2.48 $2.29 View Reel $1.95 $2.22 $2.20 $2.14 $1.95 MouseReel Available	Min.: 1 Mult.: 1 : 3,500	PI4IOE5V6534Q	SMD/SMT	TQFN-46	I2C, Serial	28 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416AQ2LEX Diodes Incorporated 1: $2.53 2,901In Stock	Mfr. Part No. PI4IOE5V6416AQ2LEX Mouser Part No 621-PI4IOE5V6416AQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K	Datasheet	2,901In Stock	Cut Tape $2.53 $1.88 $1.71 $1.54 View Reel $1.30 $1.45 $1.40 $1.35 $1.30	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24									Reel, Cut Tape
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416RQ2LEX Diodes Incorporated 1: $2.59 3,753In Stock	Mfr. Part No. PI4IOE5V6416RQ2LEX Mouser Part No 621-PI4IOE5V6416RQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416rq io expander	Datasheet	3,753In Stock	Cut Tape $2.59 $1.92 $1.70 $1.56 View Reel $1.33 $1.52 $1.49 $1.47 $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24				1.65 V	5.5 V		- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K PI4IOE5V9554ZHEX Diodes Incorporated 1: $1.11 8,729In Stock 12,403On Order	Mfr. Part No. PI4IOE5V9554ZHEX Mouser Part No 621-PI4IOE5V9554ZHEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v9554 8 bit expander	Datasheet	8,729In Stock 12,403On Order On Order Ship Dates Mfr. No: PI4IOE5V9554ZHEX Stock: 8,729 Can Dispatch Immediately On Order: 1,903 Pending 10,500 Expected 25/12/2026 Factory Lead Time: 48 Weeks	Cut Tape $1.11 $0.802 $0.722 $0.635 View Reel $0.526 $0.594 $0.568 $0.55 $0.526	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500		SMD/SMT	TQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape