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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	Qualification	Packaging	ESD Protection
Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os MAX7323ATE+ Analog Devices / Maxim Integrated 1: $6.45 466In Stock	Mfr. Part No. MAX7323ATE+ Mouser Part No 700-MAX7323ATE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os	Datasheet	466In Stock	$6.45 $4.94 $4.57 $3.87 View $3.83 $3.78 $3.60 Quote	Min.: 1 Mult.: 1	MAX7323	SMD/SMT	TQFN-EP-16	I2C, Serial	4 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 8 Push-Pull and 8 MAX7325AEG+ Analog Devices / Maxim Integrated 1: $7.07 109In Stock	Mfr. Part No. MAX7325AEG+ Mouser Part No 700-MAX7325AEG	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Push-Pull and 8	Datasheet	109In Stock	$7.07 $5.42 $4.60 $4.54 View $4.21 $4.09 $4.01 $3.93 Quote	Min.: 1 Mult.: 1	MAX7325	SMD/SMT	QSOP-24	I2C, Serial	8 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 8 Push-Pull and 8 MAX7325ATG+ Analog Devices / Maxim Integrated 1: $4.36 275In Stock	Mfr. Part No. MAX7325ATG+ Mouser Part No 700-MAX7325ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Push-Pull and 8	Datasheet	275In Stock	$4.36 $3.31 $2.80 $2.68 View $2.58 $2.51 $2.38 $2.33 $2.32	Min.: 1 Mult.: 1	MAX7325	SMD/SMT	TQFN-EP-24	I2C, Serial	8 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 12 Push-Pull Outp MAX7326AEG+ Analog Devices / Maxim Integrated 1: $3.87 49In Stock	Mfr. Part No. MAX7326AEG+ Mouser Part No 700-MAX7326AEG	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 12 Push-Pull Outp	Datasheet	49In Stock	$3.87 $3.79 $3.70 $3.63 View $3.57 $3.52 $3.47 $3.42	Min.: 1 Mult.: 1	MAX7326	SMD/SMT	QSOP-24	I2C, Serial	16 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders General-Purpose Outp ut Expander A 595-L A 595-LM8335TLX/NOPB LM8335TLE/NOPB Texas Instruments 1: $4.97 170In Stock	Mfr. Part No. LM8335TLE/NOPB Mouser Part No 595-LM8335TLE/NOPB	Texas Instruments	Interface - I/O Expanders General-Purpose Outp ut Expander A 595-L A 595-LM8335TLX/NOPB	Datasheet	170In Stock	Cut Tape $4.97 $3.79 $3.49 $3.16 Reel $3.00 View $2.88 $2.78 $2.75 MouseReel Available	Min.: 1 Mult.: 1 : 250	LM8335	SMD/SMT	DSBGA-16	I2C, Serial	8 I/O	With Interrupt	1.8 V	3.3 V	26 MHz	- 30 C	+ 85 C		Reel, Cut Tape, MouseReel	8 kV
Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT PCA9518DW Texas Instruments 1: $5.13 129In Stock	Mfr. Part No. PCA9518DW Mouser Part No 595-PCA9518DW	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT	Datasheet	129In Stock	$5.13 $3.91 $3.59 $3.26 View $3.11 $2.99 $2.97 $2.96	Min.: 1 Mult.: 1	PCA9518	SMD/SMT	SOIC-20	I2C, Serial	5 I/O	Without Interrupt	3 V	3.6 V	400 kHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders Rem 8B I2C & Lo-Pwr I/O Expander A 595-P A 595-PCA9534DBR PCA9534DB Texas Instruments 1: $5.04 109In Stock	Mfr. Part No. PCA9534DB Mouser Part No 595-PCA9534DB	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & Lo-Pwr I/O Expander A 595-P A 595-PCA9534DBR	Datasheet	109In Stock	$5.04 $3.84 $3.26 $3.12 View $3.09 $3.08 $2.98 $2.94	Min.: 1 Mult.: 1	PCA9534	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 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 & Lo- Pwr I/O Expander PCA9534DGVR Texas Instruments 1: $4.53 203In Stock	Mfr. Part No. PCA9534DGVR Mouser Part No 595-PCA9534DGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	203In Stock	Cut Tape $4.53 $3.41 $3.13 $2.83 View Reel $2.44 $2.68 $2.66 $2.50 $2.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9534	SMD/SMT	TVSOP-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 Remote 8B I2C & Lo- Pwr I/O Expander PCA9534RGVR Texas Instruments 1: $1.99 131In Stock 30,000On Order	Mfr. Part No. PCA9534RGVR Mouser Part No 595-PCA9534RGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	131In Stock 30,000On Order On Order Ship Dates Mfr. No: PCA9534RGVR Stock: 131 Can Dispatch Immediately On Order: 7,500 Expected 01/02/2027 15,000 Expected 08/03/2027 7,500 Expected 15/03/2027 Factory Lead Time: 26 Weeks	Cut Tape $1.99 $1.59 $1.45 $1.29 Reel $1.09 View $1.22 $1.18 $1.13 $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9534	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 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9535DGVR Texas Instruments 1: $4.80 92In Stock 2,000Expected 10/05/2027	Mfr. Part No. PCA9535DGVR Mouser Part No 595-PCA9535DGVR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	92In Stock 2,000Expected 10/05/2027	Cut Tape $4.80 $3.62 $3.32 $3.00 View Reel $2.64 $2.85 $2.82 $2.65 $2.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9535	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 Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D PCA9536DR Texas Instruments 1: $1.56 186In Stock 10,000Expected 28/01/2027	Mfr. Part No. PCA9536DR Mouser Part No 595-PCA9536DR	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D	Datasheet	186In Stock 10,000Expected 28/01/2027	Cut Tape $1.56 $1.15 $1.04 $0.92 Reel $0.793 View $0.865 $0.831 $0.823 $0.775 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9536	SMD/SMT	SOIC-8	I2C, Serial, SMBus	4 I/O	Without 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-PCA9539DBR PCA9539DB Texas Instruments 1: $4.92 70In Stock	Mfr. Part No. PCA9539DB Mouser Part No 595-PCA9539DB	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR	Datasheet	70In Stock	$4.92 $3.75 $3.46 $3.12 View $2.97 $2.90 $2.89 $2.87	Min.: 1 Mult.: 1	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		Tube	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR PCA9539DW Texas Instruments 1: $4.79 270In Stock	Mfr. Part No. PCA9539DW Mouser Part No 595-PCA9539DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR	Datasheet	270In Stock	$4.79 $3.73 $3.16 $2.99 View $2.83 $2.82 $2.73 $2.69	Min.: 1 Mult.: 1	PCA9539	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 Rem 8B I2C & SMBus I /O Expander PCA9554ADGVR Texas Instruments 1: $3.35 69In Stock	Mfr. Part No. PCA9554ADGVR Mouser Part No 595-PCA9554ADGVR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander Learn More about Texas Instruments ti pca95xx	Datasheet	69In Stock	Cut Tape $3.35 $2.50 $2.28 $2.05 View Reel $1.62 $1.94 $1.92 $1.62 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9554A	SMD/SMT	TVSOP-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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB PCA9555DBR Texas Instruments 1: $2.38 84In Stock 8,000On Order	Mfr. Part No. PCA9555DBR Mouser Part No 595-PCA9555DBR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB	Datasheet	84In Stock 8,000On Order On Order Ship Dates Mfr. No: PCA9555DBR Stock: 84 Can Dispatch Immediately On Order: 4,000 Expected 21/01/2027 4,000 Expected 22/04/2027 Factory Lead Time: 26 Weeks	Cut Tape $2.38 $1.77 $1.62 $1.45 Reel $1.23 View $1.37 $1.33 $1.30 $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9555	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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW PCA9555DWR Texas Instruments 1: $4.00 213In Stock 8,000On Order	Mfr. Part No. PCA9555DWR Mouser Part No 595-PCA9555DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW	Datasheet	213In Stock 8,000On Order On Order Ship Dates Mfr. No: PCA9555DWR Stock: 213 Can Dispatch Immediately On Order: 4,000 Expected 18/01/2027 4,000 Expected 03/04/2028 Factory Lead Time: 26 Weeks	Cut Tape $4.00 $3.03 $2.78 $2.51 Reel $2.17 View $2.39 $2.37 $2.23 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander R R 595-TCA9555PWR PCA9555PWR Texas Instruments 1: $2.23 116In Stock 16,000On Order	Mfr. Part No. PCA9555PWR Mouser Part No 595-PCA9555PWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander R R 595-TCA9555PWR	Datasheet	116In Stock 16,000On Order On Order Ship Dates Mfr. No: PCA9555PWR Stock: 116 Can Dispatch Immediately On Order: 6,000 Expected 08/01/2027 10,000 Expected 01/02/2027 Factory Lead Time: 26 Weeks	Cut Tape $2.23 $1.65 $1.51 $1.38 Reel $1.23 View $1.34 $1.32 $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9555	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-PCF8574APW A 595- A 595-PCF8574APW PCF8574APWR Texas Instruments 1: $1.59 183In Stock 22,000On Order	Mfr. Part No. PCF8574APWR Mouser Part No 595-PCF8574APWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW	Datasheet	183In Stock 22,000On Order On Order Ship Dates Mfr. No: PCF8574APWR Stock: 183 Can Dispatch Immediately On Order: 10,000 Expected 25/12/2026 12,000 Expected 22/02/2027 Factory Lead Time: 26 Weeks	Cut Tape $1.59 $1.16 $1.06 $0.939 Reel $0.769 View $0.847 $0.814 $0.808 $0.766 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574A	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 8-Bit I/O Exp ander for I2C-Bus PCF8574ARGYR Texas Instruments 1: $2.56 763In Stock	Mfr. Part No. PCF8574ARGYR Mouser Part No 595-PCF8574ARGYR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	763In Stock	Cut Tape $2.56 $1.91 $1.75 $1.56 Reel $1.31 View $1.48 $1.47 $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8574A	SMD/SMT	VQFN-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-PCF8575CPW PCF8575CPWR Texas Instruments 1: $7.06 94In Stock	Mfr. Part No. PCF8575CPWR Mouser Part No 595-PCF8575CPWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPW	Datasheet	94In Stock	Cut Tape $7.06 $5.41 $5.00 $4.55 View Reel $4.25 $4.34 $4.26 $4.25 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8575C	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW PCF8575DWR Texas Instruments 1: $3.13 323In Stock 4,000Expected 24/12/2026	Mfr. Part No. PCF8575DWR Mouser Part No 595-PCF8575DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW	Datasheet	323In Stock 4,000Expected 24/12/2026	Cut Tape $3.13 $2.35 $2.15 $1.94 Reel $1.66 View $1.83 $1.80 $1.75 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8575	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Automotive 8-bit tra nslating I2C/SMBus TCA6408AQPWRQ1 Texas Instruments 1: $2.44 109In Stock 6,000Expected 06/11/2026	Mfr. Part No. TCA6408AQPWRQ1 Mouser Part No 595-TCA6408AQPWRQ1	Texas Instruments	Interface - I/O Expanders Automotive 8-bit tra nslating I2C/SMBus	Datasheet	109In Stock 6,000Expected 06/11/2026	Cut Tape $2.44 $1.81 $1.66 $1.49 Reel $1.31 View $1.40 $1.36 $1.32 $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA6408A	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	3.6 V	400 kHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Lo-Vltg 16B I2C & SM Bus I/O Exp TCA6416APWR Texas Instruments 1: $2.05 7In Stock 12,000On Order	Mfr. Part No. TCA6416APWR Mouser Part No 595-TCA6416APWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 16B I2C & SM Bus I/O Exp	Datasheet	7In Stock 12,000On Order On Order Ship Dates Mfr. No: TCA6416APWR Stock: 7 Can Dispatch Immediately On Order: 6,000 Expected 08/02/2027 6,000 Expected 22/03/2027 Factory Lead Time: 26 Weeks	Cut Tape $2.05 $1.51 $1.38 $1.23 Reel $1.07 View $1.16 $1.12 $1.10 $1.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA6416A	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 Lo-Vltg 16B I2C and SMBus I/O Expander TCA6416ARTWR Texas Instruments 1: $2.37 119In Stock 27,000Expected 17/12/2026	Mfr. Part No. TCA6416ARTWR Mouser Part No 595-TCA6416ARTWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 16B I2C and SMBus I/O Expander	Datasheet	119In Stock 27,000Expected 17/12/2026	Cut Tape $2.37 $1.76 $1.61 $1.44 Reel $1.10 View $1.26 $1.22 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6416A	SMD/SMT	WQFN-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 A 595-TCA9534ADWT TCA9534ADWR Texas Instruments 1: $1.72 167In Stock 10,000On Order	Mfr. Part No. TCA9534ADWR Mouser Part No 595-TCA9534ADWR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT	Datasheet	167In Stock 10,000On Order On Order Ship Dates Mfr. No: TCA9534ADWR Stock: 167 Can Dispatch Immediately On Order: 4,000 Expected 21/12/2026 6,000 Expected 15/03/2027 Factory Lead Time: 26 Weeks	Cut Tape $1.72 $1.27 $1.15 $1.03 Reel $0.862 View $0.961 $0.925 $0.92 $0.843 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9534A	SMD/SMT	SOIC-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