All DistributorsClassic ComponentsIntegrated Circuits (ICs)Interface ICsI/O Expanders (385)

Classic Components I/O Expanders

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

Top Manufacturers

Renesas

Rochester Electronics

Explore Classic Components I/O Expanders

Results: 385

Authorized Distributors

Non-Authorized Stocking Distributors

NXP Semiconductors

Compare

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

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Farnell	2	PCA9539BS,118	0	6K	Custom Reel	USD*					1.532*	19h
	Microchip USA		PCA9539BS,118	323	50		USD			30.400	30.400	30.400	1d
	Win Source		WS-PCA9539BS,118	6,700	26		USD			1.800	1.543	1.543	20h
	Worldway Electronics	3	PCA9539BS+118	16,193	7		USD		0.529	0.513	0.486	0.486	19h
	Antdic Electronics		PCA9539BS,118	12,709			USD	2.950	2.803	2.655	2.508	2.360	>1wk

NXP Semiconductors

Compare

PCA9505 Series 5.5 V 400 kHz 40-bit I2C-bus I/O port with RESET, OE and INT

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Farnell	2	PCA9505DGG,118	0	1	Cut Tape	USD*	6.397*	5.174*	4.812*	4.812*	4.812*	19h
	Microchip USA		PCA9505DGG,118	251	600	Tray	USD				1.903	1.903	1d
	Worldway Electronics		PCA9505DGG,118	8,766	7	Tape & Reel	USD		0.758	0.735	0.696	0.696	19h
	Classic Components		PCA9505DGG,118	169			USD			4.776	4.776	4.776	10h
	Esaler Electronic		PCA9505DGG,118	2,000			USD	2.380	2.357	2.334	2.311	2.288	3d

$ 0.841

Compare

XRA1201 Series 16 Bit I2C GPIO Expander w/ Int Out-GPIO Pull Up Enable - QFN-24

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Mouser		701-XRA1201PIL24-F	460	1	Tray	USD	1.610	1.180	0.944	0.841	0.770
	Weyland Electronics Group Pte. Ltd.		XRA1201PIL24-F	49,000	1	Tape & Reel	USD	0.598	0.598	0.598	0.598	0.598	21h
	Win Source		WS-XRA1201PIL24-F	11,300	30		USD			1.390	1.129	1.129	20h
	ICPartonline		XRA1201PIL24-F	8,332			USD	0.582	0.553	0.524	0.495	0.466	>1wk
	Easev		XRA1201PIL24-F	567			USD	0.535	0.535	0.508	0.466	0.385	3d

Texas Instruments

$ 1.240

Compare

8-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt 16-SOIC -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey		296-26293-5-ND	1,798	1	Tube	USD	2.330	1.723	1.509	1.240	1.240
	Mouser		595-PCF8574ADW	2,450	1	Tube	USD	2.330	1.730	1.510	1.240	1.200
	Win Source		WS-PCF8574ADW	6,300	35		USD			1.436	1.193	1.193	20h
	GreenTree Electronics		PCF8574ADW	1,469									10h
	Easev		PCF8574ADW	3,991			USD	0.861	0.861	0.818	0.749	0.620	3d

NXP Semiconductors

$ 0.652

Compare

I/O Port Expanders; PCA9555PW; NXP SEMICONDUCTORS; I2C, SMBus; 24; 16; 400 kHz

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Verical		PCA9555PW	270	2		USD		0.743	0.743	0.743	0.743
	UnikeyIC		PCA9555PW	4,999	1	Tube	USD	0.831	0.729	0.592	0.561	0.561	17h
	Tomark Electronics Ltd UK		PCA9555PW	5,000			USD	0.500	0.500	0.500	0.500	0.500	5h
	Weyland Electronics Group Pte. Ltd.		PCA9555PW	2,666	1	Tape & Reel	USD	0.428	0.428	0.428	0.428	0.428	21h
	Win Source		WS-PCA9555PW	100,000	75		USD			0.708	0.551	0.551	20h

Texas Instruments

$ 0.837

Compare

SDIO Port Expander With Voltage-Level Translation 24-BGA MICROSTAR JUNIOR -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		TXS02612ZQSR	13,626			USD			0.896	0.744	0.663	20h
	Verical	2	TXS02612ZQSR	13,257	335		USD				0.930	0.829
	Win Source		WS-TXS02612ZQSR	6,300	50		USD			1.090	0.727	0.727	20h
	Worldway Electronics		TXS02612ZQSR	11,739	7	Tape & Reel	USD		0.182	0.176	0.167	0.167	19h
	ICPartonline		TXS02612ZQSR	31,902			USD	0.530	0.503	0.477	0.450	0.424	>1wk

$ 1.520

Compare

CAT9554 Series 8-bit 2.3 to 5 V I²C and SMBus I/O Port with Interrupt - TSSOP-16

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	RS (Formerly Allied Electronics)		CAT9554YI-GT2	0	5	Bulk	USD		1.690	1.520	1.520	1.520	9h
	Farnell		CAT9554YI-GT2	0	2K	Tape & Reel	USD*					1.075*	19h
	Win Source		WS-CAT9554YI-GT2	1,400	11		USD			3.754	3.754	3.754	20h
	Worldway Electronics		CAT9554YI-GT2	27,457	7	Tape & Reel	USD		1.371	1.329	1.259	1.259	19h
	Hi-Tech Circuit Group Ltd.		CAT9554YI-GT2	1,972			USD			1.410	1.403	1.396	9h

NXP Semiconductors

$ 0.797

Compare

I/O Port Expanders; PCA9535PW; NXP SEMICONDUCTORS; 24; 16; 400 kHz; I2C, SMBus, Serial

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Verical		PCA9535PW	1,823	2		USD		0.964	0.964	0.964	0.964
	UnikeyIC		PCA9535PW	3,653	1	Cut Tape	USD	0.934	0.820	0.665	0.630	0.630	17h
	Weyland Electronics Group Pte. Ltd.		PCA9535PW	10,000	1	Tape & Reel	USD	0.601	0.601	0.601	0.601	0.601	21h
	Worldway Electronics		PCA9535PW	18,270	7	Tube	USD		0.524	0.499	0.499	0.499	19h
	Antdic Electronics		PCA9535PW	17,613			USD	1.525	1.448	1.372	1.220	1.143	>1wk

Texas Instruments

$ 1.226

Compare

4-bit 2.3- to 5.5-V I2C/SMBus I/O expander with config registers 8-SOIC -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		PCA9536D	41,860			USD			1.310	1.090	0.969	20h
	Verical	4	PCA9536D	24,525	230		USD				1.363	1.212
	Microchip USA		PCA9536D	362	600	Bulk	USD				1.512	1.512	1d
	Win Source		WS-PCA9536D	30,000	60		USD			0.907	0.605	0.605	20h
	ICPartonline		PCA9536D	18,341			USD	0.707	0.671	0.636	0.601	0.565	>1wk

NXP Semiconductors

$ 1.546

Compare

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	17h
	Worldway Electronics		PCA9555D	18,151	7		USD		1.502	1.430	1.430	1.430	19h
	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	16h