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Interface IC's 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 11Kb 40 IO EXPANDER W/EEPROM CY8C9540A-24PVXIT Infineon Technologies 1: $11.79 1,433In Stock	Mfr. Part No. CY8C9540A-24PVXIT Mouser Part No 727-CY8C9540A24PVXIT	Infineon Technologies	Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM Learn More about Infineon Technologies cypress psoc	Datasheet	1,433In Stock	Cut Tape $11.79 $9.24 $8.60 $7.90 View Reel $7.23 $7.79 $7.33 $7.23 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	CY8C95xx	SMD/SMT	SSOP-48	I2C, Serial, SMBus	40 I/O	With Interrupt	3 V	5.25 V	100 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander PI4IOE5V6416ZDEX Diodes Incorporated 1: $1.61 281In Stock 84,000On Order	Mfr. Part No. PI4IOE5V6416ZDEX Mouser Part No 729-PI4IOE5V6416ZDEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	281In Stock 84,000On Order On Order Ship Dates Mfr. No: PI4IOE5V6416ZDEX Stock: 281 Can Dispatch Immediately On Order: 21,000 Expected 26/05/2027 28,000 Expected 06/03/2028 35,000 Expected 31/03/2028 Factory Lead Time: 48 Weeks	Cut Tape $1.61 $1.17 $0.993 $0.939 Reel $0.696 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500	PIO4IO	SMD/SMT	TQFN-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 8-bit I2C-bus I/O Expander PI4IOE5V6408ZTAEX Diodes Incorporated 1: $0.86 9,307In Stock 9,000Expected 30/08/2027	Mfr. Part No. PI4IOE5V6408ZTAEX Mouser Part No 729-I4IOE5V6408ZTAEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C-bus I/O Expander	Datasheet	9,307In Stock 9,000Expected 30/08/2027	Cut Tape $0.86 $0.602 $0.524 $0.473 View Reel $0.445 $0.456 $0.445 $0.445 MouseReel Available	Min.: 1 Mult.: 1 Max.: 540 : 3,000	PIO4IO	SMD/SMT	UQFN-16	I2C, Serial	8 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 8-B I2C & SM Bus I/O Expander TCA9554PWR Texas Instruments 1: $1.74 11,238In 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	11,238In 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 16-bit I2C-bus I/O Expander with Reset and Quasi feature in HVQFN24 package PCA9671BS,118 NXP Semiconductors 1: $3.07 3,972In Stock	Mfr. Part No. PCA9671BS,118 Mouser Part No 771-PCA9671BS118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Reset and Quasi feature in HVQFN24 package	Datasheet	3,972In Stock	Cut Tape $3.07 $2.30 $2.11 $1.90 View Reel $1.52 $1.80 $1.76 $1.72 $1.63 $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCA9671	SMD/SMT	HVQFN-24	I2C, Serial	16 I/O	Without Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp TCAL6416RDTOR Texas Instruments 1: $2.55 980In Stock 3,000Expected 23/11/2026	Mfr. Part No. TCAL6416RDTOR Mouser Part No 595-TCAL6416RDTOR	Texas Instruments	Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp Learn More about Texas Instruments ti tcal6416r i2c bus smbus io expander	Datasheet	980In Stock 3,000Expected 23/11/2026	$2.55 $1.90 $1.73 $1.55 View $1.44 $1.39 $1.36 $1.27 $1.24	Min.: 1 Mult.: 1	TCAL6416R	SMD/SMT	X2QFN-24	I2C, Serial, SMBus		With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C		4 kV
Interface - I/O Expanders 18-Port GPIO with LED Intensity Control, MAX7314ATG+T Analog Devices / Maxim Integrated 1: $6.08 1,042In Stock	Mfr. Part No. MAX7314ATG+T Mouser Part No 700-MAX7314ATGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 18-Port GPIO with LED Intensity Control,	Datasheet	1,042In Stock	Cut Tape $6.08 $5.95 $5.82 $5.70 View $5.62 $5.53 $5.45 $5.37 MouseReel Available	Min.: 1 Mult.: 1	MAX7314	SMD/SMT	TQFN-EP-24	I2C, Serial	18 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander PCA9534ARGVR Texas Instruments 1: $4.25 2,942In Stock	Mfr. Part No. PCA9534ARGVR Mouser Part No 595-PCA9534ARGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	2,942In Stock	Cut Tape $4.25 $3.22 $2.96 $2.68 View Reel $2.47 $2.64 $2.59 $2.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9534A	SMD/SMT	VQFN-16	I2C, Serial, SMBus	8 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 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536DGKR Texas Instruments 1: $1.69 5,728In Stock 7,500Expected 14/06/2027	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	5,728In Stock 7,500Expected 14/06/2027	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 8,149In 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	8,149In 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 I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package PCA9501PW,118 NXP Semiconductors 1: $3.27 3,840In Stock 5,000Expected 04/11/2026	Mfr. Part No. PCA9501PW,118 Mouser Part No 771-PCA9501PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package Learn More about NXP Semiconductors nxp pca9501pw 8 bit expander	Datasheet	3,840In Stock 5,000Expected 04/11/2026	Cut Tape $3.27 $2.51 $2.32 $2.11 Reel $1.86 View $2.01 $1.98 $1.95 $1.82 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9501	SMD/SMT	TSSOP-20	I2C, Serial, SMBus	8 I/O	With Interrupt	2.5 V	3.6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539DGVR Texas Instruments 1: $3.30 1,004In Stock	Mfr. Part No. PCA9539DGVR Mouser Part No 595-PCA9539DGVR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	1,004In Stock	Cut Tape $3.30 $2.48 $2.27 $2.05 Reel $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9539	SMD/SMT	TVSOP-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 24-bit I2C-bus I/O Expander PI4IOE5V96224ZLEX Diodes Incorporated 1: $2.47 4,142In Stock 31,500Expected 18/01/2027	Mfr. Part No. PI4IOE5V96224ZLEX Mouser Part No 729-I4IOE5V96224ZLEX	Diodes Incorporated	Interface - I/O Expanders 24-bit I2C-bus I/O Expander Learn More about Diodes Incorporated pericom io expanders	Datasheet	4,142In Stock 31,500Expected 18/01/2027	Cut Tape $2.47 $1.83 $1.62 $1.49 View Reel $1.26 $1.45 $1.43 $1.40 $1.26 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500	PIO4IO	SMD/SMT	TQFN-32	I2C, Serial	24 I/O	With Interrupt	2.3 V	5.5 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders Digital CAN I/O MCP25020-I/SL Microchip Technology 1: $3.64 89In Stock	Mfr. Part No. MCP25020-I/SL Mouser Part No 579-MCP25020-I/SL	Microchip Technology	Interface - I/O Expanders Digital CAN I/O	Datasheet	89In Stock	$3.64 $3.03 $3.00	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	CAN	8 I/O	Without Interrupt	2.75 V	5.5 V	25 MHz	- 40 C	+ 85 C	Tube	3.5 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in TSSOP24 package PCA9535PW,118 NXP Semiconductors 1: $2.93 9,141In Stock 17,500Expected 13/01/2027	Mfr. Part No. PCA9535PW,118 Mouser Part No 771-PCA9535PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in TSSOP24 package	Datasheet	9,141In Stock 17,500Expected 13/01/2027	Cut Tape $2.93 $2.19 $2.00 $1.80 Reel $1.52 View $1.70 $1.66 $1.62 $1.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9535	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 8bit I/O Expndr A 59 5-PCF8574ADW A 595- A 595-PCF8574ADW PCF8574ADWR Texas Instruments 1: $1.59 8,405In 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	8,405In 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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package PCAL6416AHF,128 NXP Semiconductors 1: $1.61 82,296In Stock	Mfr. Part No. PCAL6416AHF,128 Mouser Part No 771-PCAL6416AHF,128	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	82,296In Stock	Cut Tape $1.61 $1.18 $1.07 $0.945 View Reel $0.772 $0.888 $0.854 $0.844 $0.798 $0.772 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	PCAL6416A	SMD/SMT	HWQFN-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 16-bit I2C and SMBus Port PI4IOE5V9535LEX Diodes Incorporated 1: $1.43 5,160In Stock	Mfr. Part No. PI4IOE5V9535LEX Mouser Part No 729-PI4IOE5V9535LEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	5,160In Stock	Cut Tape $1.43 $1.04 $0.91 $0.829 $0.801 Reel $0.801 MouseReel Available	Min.: 1 Mult.: 1 Max.: 260 : 3,000	PIO4IO	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	4 kV
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534APW PCA9534APWR Texas Instruments 1: $2.15 3,705In Stock	Mfr. Part No. PCA9534APWR Mouser Part No 595-PCA9534APWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534APW	Datasheet	3,705In Stock	Cut Tape $2.15 $1.59 $1.45 $1.30 Reel $1.10 View $1.22 $1.18 $1.17 $1.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9534A	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 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 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DB PCA9539DBR Texas Instruments 1: $4.24 1,425In Stock	Mfr. Part No. PCA9539DBR Mouser Part No 595-PCA9539DBR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DB	Datasheet	1,425In Stock	Cut Tape $4.24 $3.20 $2.94 $2.65 Reel $2.34 View $2.51 $2.50 $2.34 $2.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9539	SMD/SMT	SSOP-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 I C Port Expander with 4 Push-Pull Outpu MAX7322ATE+T Analog Devices / Maxim Integrated 1: $6.68 124In Stock	Mfr. Part No. MAX7322ATE+T Mouser Part No 700-MAX7322ATET	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outpu	Datasheet	124In Stock	Cut Tape $6.68 $5.12 $4.74 $4.31 $4.21 $3.62 MouseReel Available	Min.: 1 Mult.: 1	MAX7322	SMD/SMT	TQFN-16	I2C, Serial	4 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
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 View Reel $0.823 $0.923 $0.888 $0.882 $0.823 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 Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557D PCA9557DR Texas Instruments 1: $1.75 2,286In Stock	Mfr. Part No. PCA9557DR Mouser Part No 595-PCA9557DR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557D Learn More about Texas Instruments ti pca95xx	Datasheet	2,286In Stock	Cut Tape $1.75 $1.29 $1.17 $1.04 Reel $0.90 View $0.977 $0.94 $0.935 $0.857 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9557	SMD/SMT	SOIC-Narrow-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 19 Keypad Decoder and I/O Expansion ADP5589ACPZ-00-R7 Analog Devices 1: $3.73 4,338In Stock	Mfr. Part No. ADP5589ACPZ-00-R7 Mouser Part No 584-ADP5589ACPZ-00R7	Analog Devices	Interface - I/O Expanders 19 Keypad Decoder and I/O Expansion	Datasheet	4,338In Stock	Cut Tape $3.73 $2.82 $2.58 $2.33 Reel $1.99 View $2.20 $2.18 $2.05 $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	ADP5589	SMD/SMT	LFCSP-24	I2C, Serial	19 I/O	With Interrupt	1.8 V	3 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16 bit In/Out MCP23016-I/SO Microchip Technology 1: $2.13 454In Stock	Mfr. Part No. MCP23016-I/SO Mouser Part No 579-MCP23016-I/SO	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	454In Stock	$2.13 $1.78 $1.72	Min.: 1 Mult.: 1		SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	Without ESD Protection