All DistributorsFarnellIntegrated Circuits (ICs)Interface ICsI/O Expanders (563)

Farnell I/O Expanders

Browse and compare Farnell I/O Expanders for pricing, inventory, datasheets, and other technical specs. View our listings for Farnell I/O Expanders to find the best offer for your next project.

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Results: 563

Authorized Distributors

Non-Authorized Stocking Distributors

$ 0.661

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CAT9555 Series 16-bit 2.3 to 5 V I²C and SMBus I/O Port with Interrupt TSSOP-24

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Avnet	2	CAT9555YI-T2	106,000	2K		USD					0.581	6h
	Arrow Electronics	2	CAT9555YI-T2	1,689	1		USD	1.181	0.906	0.760	0.687	0.687
	Verical	3	CAT9555YI-T2	1,689	4		USD		0.906	0.760	0.687	0.634
	Master Electronics		CAT9555YI-T2	2,000	50		USD			0.568	0.543	0.517
	Onlinecomponents.com		CAT9555YI-T2	2,000	50	Bulk	USD			0.568	0.543	0.517

NXP Semiconductors

$ 1.130

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PCA9535: 5.5V 160mA 400 kHz 16-bit I2C-bus and SMBus Low Power I/O Port-TSSOP-24

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark	2	PCA9535PW,118	5,301	1	Cut Tape	USD	2.250	1.660	1.430	1.430	1.430
	Future Electronics	2	PCA9535PW,118	2,500	2500	Tape & Reel	USD					1.000
	Arrow Electronics	3	PCA9535PW,118	288	1		USD	0.917	0.917	0.917	0.917	0.917
	Verical	3	PCA9535PW,118	288	2		USD		0.917	0.917	0.917	0.917
	Rochester Electronics		PCA9535PW,118	7			USD			1.360	1.130	1.010	4h

NXP Semiconductors

$ 1.165

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PCA9535 Series 16-Bit I2C-Bus / SMBus Low Power I/O Port w/ Interrupt - TSSOP 24

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark	2	PCA9535CPW,118	2,525	1	Cut Tape	USD	2.250	1.660	1.430	1.430	1.430
	Verical	3	PCA9535CPW,118	7,361	2		USD		0.917	0.917	0.917	0.917
	Arrow Electronics		PCA9535CPW,118	7,361	1		USD	0.917	0.917	0.917	0.917	0.917
	Rochester Electronics		PCA9535CPW,118	16,412			USD			1.360	1.130	1.010	4h
	UnikeyIC		PCA9535CPW,118	7,500	2500	Tape & Reel	USD					0.644	3h

NXP Semiconductors

$ 1.112

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PCA9538 Series 5.5 V 104 µA 8-bit I2C-bus and SMBus Low Power I/O Port -HVQFN-16

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Future Electronics		PCA9538BS,118	96,000	6K	Tape & Reel	USD					0.870
	Newark	2	PCA9538BS,118	5,087	1	Cut Tape	USD	1.820	1.360	1.360	1.360	1.360
	Arrow Electronics	2	PCA9538BS,118	2,269	1		USD	1.458	1.240	1.098	1.011	1.011
	Verical	2	PCA9538BS,118	2,269	6		USD		1.240	1.098	1.011	1.011
	UnikeyIC		PCA9538BS,118	392	1	Cut Tape	USD	1.828	1.393	1.245	1.219	1.219	3h

NXP Semiconductors

$ 0.636

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I/O Port Expanders; PCA6408ABSHP; NXP SEMICONDUCTORS; I2C, SMBus; 16; 8; 400 kHz

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark	2	PCA6408ABSHP	20,027	1	Cut Tape	USD	1.310	1.310	1.310	1.310	1.310
	Verical	2	PCA6408ABSHP	17,703	3		USD		0.492	0.492	0.492	0.492
	Arrow Electronics		PCA6408ABSHP	17,703	1		USD	0.492	0.492	0.492	0.492	0.492
	Rochester Electronics		PCA6408ABSHP	10,308			USD			0.694	0.576	0.514	4h
	UnikeyIC		PCA6408ABSHP	5,790	1	Tape & Reel	USD	1.696	1.233	0.942	0.855	0.855	3h

NXP Semiconductors

$ 0.987

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I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin HWQFN EP T/R

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark	3	PCA9539AHF,128	1,398	1	Cut Tape	USD	1.850	1.850	1.250	1.250	1.250
	Verical	2	PCA9539AHF,128	5,821	2		USD		0.815	0.815	0.815	0.815
	Arrow Electronics		PCA9539AHF,128	5,821	1		USD	0.815	0.815	0.815	0.815	0.815
	Rochester Electronics		PCA9539AHF,128	56,227			USD			1.100	0.913	0.814	4h
	UnikeyIC		PCA9539AHF,128	4,168	1	Tape & Reel	USD	1.760	1.473	1.269	1.211	1.211	3h

$ 13.005

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CP82C55 Series 24 I/O Pin 2.5mA CMOS Programmable Peripheral Interface - PDIP-40

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark		CP82C55AZ	103	1		USD	18.630	14.820	13.880	13.420	13.420
	Future Electronics		CP82C55AZ	923	3	Tube	USD		11.010	10.710	10.580	10.580
	Renesas		CP82C55AZ	50	1	Tube	USD	18.090	14.394	14.394	14.394	14.394	2h
	Avnet	2	CP82C55AZ	743	99								6h
	DigiKey		CP82C55AZ-ND	50	1	Tube	USD	18.090	14.394	14.394	14.394	14.394

$ 1.859

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MCP23016 Series 5.5 V 400 kHz 0.4 mA 16-Bit I/O Surface Mount I2C-Bus - QFN-28

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Arrow Electronics		MCP23016-I/ML	61	61		USD			1.797	1.797	1.797
	DigiKey		MCP23016-I/ML-ND	119	1	Tube	USD	2.270	2.270	1.838	1.838	1.838
	TME	2	MCP23016-I/ML	0	183		USD				1.720	1.720	19h
	Microchip		MCP23016-I/ML	2,501	1	Tube	USD	2.270	2.270	1.720	1.670	1.650	26m
	Newark		MCP23016-I/ML	0	183		USD				1.780	1.780

NXP Semiconductors

PCAL6416APW,118

$ 0.750

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Integrated Circuit Interface I/O Expander; I2C; SMBus; 1.65-5.5V; -40+85 deg.C; SMD; TSSOP24

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Future Electronics	2	PCAL6416APW,118	2,500	2500	Tape & Reel	USD					0.620
	Newark	2	PCAL6416APW,118	51	1	Cut Tape	USD	1.460	1.070	0.912	0.912	0.912
	Avnet	3	PCAL6416APW,118	2,500	820		USD				0.752	0.715	6h
	Arrow Electronics		PCAL6416APW,118	20,000	2500		USD					0.705
	Verical	2	PCAL6416APW,118	20,000	2500		USD					0.706

NXP Semiconductors

$ 0.786

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PCA9538A Series 5.5 V 400 KHz Low-Voltage 8-bit I2C-Bus I/O Port - TSSOP-16

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark	2	PCA9538APWJ	1,915	1	Cut Tape	USD	1.640	1.190	1.030	1.030	1.030
	Verical	3	PCA9538APWJ	2,435	2		USD		0.640	0.640	0.640	0.640
	Arrow Electronics	2	PCA9538APWJ	2,435	1		USD	0.640	0.640	0.640	0.640	0.640
	Rochester Electronics		PCA9538APWJ	12,500			USD			0.947	0.786	0.701	4h
	UnikeyIC		PCA9538APWJ	50	1	Tape & Reel	USD	0.671	0.671	0.560	0.560	0.488	3h