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Freelance Electronics I/O Expanders

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

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Results: 42

Authorized Distributors

Non-Authorized Stocking Distributors

Texas Instruments

$ 0.920

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8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, & config registers 16-TSSOP -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	3	296-40573-1-ND	4,752	1	Cut Tape	USD	1.720	1.263	1.021	0.920	0.920
	Arrow Electronics		TCA9534APWR	0	2K		USD					1.083
	Mouser		595-TCA9534APWR	167	1	Tape & Reel	USD	1.720	1.270	1.030	0.920	0.844
	Component Stockers USA		TCA9534APWR	17,446			USD	1.480	1.250	0.960	0.670	0.570	>1wk
	Weyland Electronics Group Pte. Ltd.		TCA9534APWR	4,684	1	Tape & Reel	USD	0.436	0.436	0.436	0.436	0.436	23h

NXP Semiconductors

$ 1.546

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24mA(Typ) I2C, SMBus 16 2.3V 5.5V 400KHz SOIC 2.45mm

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Verical	3	PCA9555D	8,427	235		USD				1.325	1.184
	UnikeyIC		PCA9555D	6	2	Tube	USD		1.877	1.877	1.800	1.800	19h
	Worldway Electronics		PCA9555D	18,151	7		USD		1.502	1.430	1.430	1.430	21h
	Antdic Electronics	2	PCA9555D	46,447			USD	28.000	26.600	25.200	22.400	21.000	>1wk
	Aztech		PCA9555D	871			USD	10.150	10.150	10.150	10.150	10.150	18h

NXP Semiconductors

PCA9554PW/DG,118

$ 0.888

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I2C/SMBus Interface 100kHz/400kHz 5.5V 16-Pin TSSOP T/R

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Verical		PCA9554PW/DG,118	608	316		USD				0.987	0.880
	Rochester Electronics		PCA9554PW/DG,118	608			USD			0.951	0.790	0.704	22h
	Microchip USA		PCA9554PW/DG,118	2,313	300		USD				6.435	6.435	1d
	Worldway Electronics	2	PCA9554PW/DG,118	17,674	7	Bulk	USD		0.224	0.218	0.206	0.206	21h
	Esaler Electronic		PCA9554PW/DG,118	252			USD	1.190	1.179	1.168	1.157	1.146	3d

$ 23.625

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82C55A Series 4.5 to 5.5 V CMOS Programmable Peripheral Interface - PLCC-44

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		IS82C55A	371			USD			23.470	21.000	19.760	22h
	Verical		IS82C55A	371	25		USD			29.338	26.250	24.700
	Antdic Electronics		IS82C55A	15,900			USD	9.000	8.550	8.100	7.200	6.750	>1wk
	ICPartonline		IS82C55A	14,420			USD	17.000	16.150	15.300	14.450	13.600	>1wk
	Worldway Electronics		IS82C55A	10,770	7	Tube	USD		17.863	17.317	16.405	16.405	21h

NXP Semiconductors

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I²C Bus IC Operating temperature: -40...+85 °C Power supply: 2.5...6 V Package: SO-16W

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Farnell		PCF8574AT	0	1		USD*	1.217*	1.217*	0.914*	0.667*	0.613*	21h
	Worldway Electronics		PCF8574AT	19,401	7		USD		0.799	0.761	0.761	0.761	21h
	Antdic Electronics	2	PCF8574AT	20,953			USD	12.000	11.400	10.800	9.600	9.000	>1wk
	Aztech		PCF8574AT	535			USD	17.440	17.440	17.440	17.440	17.440	18h
	Voyager Components		PCF8574AT-PHILIPS-N/A	52			USD	1.233	0.931	0.520	0.520	0.520	4h

$ 4.375

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Interrupt Controller, 80C86; 80C88; 8080; 8085; 8086; 8088 Compatible, CMOS, PDIP28

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	CoreStaff		ST30402426	1	1		USD	10.347	5.586	4.993	4.960	4.960	16h
	Rochester Electronics		P82C59A2	1			USD			4.240	3.790	3.570	22h
	Microchip USA		P82C59A-2	233	600	Tray	USD				3.800	3.800	1d
	Classic Components		P82C59A-2	1			USD			12.416	12.416	12.416	12h
	Aztech		P82C59A-2	2,992			USD	4.010	4.010	4.010	4.010	4.010	18h

$ 10.440

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Priority Interrupt Controller / Interface 28-PDIP

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics	3	CP82C59A	16,244			USD			10.370	9.280	8.740	22h
	Verical	4	CP82C59A	598	28		USD			12.963	11.600	10.925
	Component Stockers USA		CP82C59A	206			USD	11.740	11.740	11.030	9.980	9.980	>1wk
	Win Source		WS-CP82C59A	3,580	22		USD			2.151	1.804	1.804	22h
	IC Components Ltd.		CP82C59A	2,538			USD	11.350	11.350	11.350	4.162	4.162	3d

NXP Semiconductors

$ 1.220

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40¦ÌA 25mA(Typ) I2C, Parallel 8 2.5V 6V 100KHz SOIC, SOP, SOP-16 , 2.65mm

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	UnikeyIC		PCF8574T/3	2,000	1		USD	1.808	1.587	1.288	1.220	1.220	19h
	Weyland Electronics Group Pte. Ltd.		PCF8574T/3	5,000	1	Tape & Reel	USD	0.751	0.751	0.751	0.751	0.751	23h
	Worldway Electronics	3	PCF8574T3	19,571	7	Tape & Reel							21h
	Antdic Electronics	3	PCF8574T-3	25,617			USD	8.000	7.600	7.200	6.400	6.000	>1wk
	Maritex		PCF8574T/3-U1	2,000	1		USD	2.907	2.371	1.777	1.478	1.478	1d

NXP Semiconductors

$ 1.506

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I/O Expander, 16bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, SSOP

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	UnikeyIC		PCA9555DB	326	1	Tube	USD	2.297	1.948	1.506	1.506	1.506	19h
	Worldway Electronics		PCA9555DB	13,997	7	Tube	USD		0.901	0.858	0.858	0.858	21h
	Antdic Electronics		PCA9555DB	17,359			USD	10.000	9.500	9.000	8.000	7.500	>1wk
	Maritex		PCA9555DB-U1	326	1		USD	3.693	2.798	1.905	1.905	1.905	1d
	Aztech		PCA9555DB	603			USD	1.190	1.190	1.190	1.190	1.190	18h

NXP Semiconductors

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8-BIT I2C-BUS And Smbus I/o Port With Interrupt Parallel I/o Port, 8-BIT, 8 I/o, Cmos, PDSO16

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	UnikeyIC		PCA9554PW	10,000	2500	Tube	USD					0.589	19h
	Weyland Electronics Group Pte. Ltd.		PCA9554PW	35,000	1	Tape & Reel	USD	0.503	0.503	0.503	0.503	0.503	23h
	Worldway Electronics		PCA9554PW	11,516	7	Bulk	USD		0.451	0.429	0.429	0.429	21h
	Antdic Electronics		PCA9554PW	15,061			USD	1.270	1.207	1.143	1.016	0.953	>1wk
	RC Electronics		PCA9554PW	32,184	1		USD	1.276	1.160	1.100	1.010	0.980	2d