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

Texas Instruments

$ 1.120

Compare

16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers 24-VQFN -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Win Source		WS-PCA9535RGER	2,850	31		USD			1.546	1.285	1.285	19h
	Worldway Electronics		PCA9535RGER	18,964	7	Tape & Reel	USD		0.601	0.572	0.572	0.572	17h
	ICPartonline	2	PCA9535RGER.	21,063			USD	23.000	21.850	20.700	19.550	18.400	>1wk
	GreenTree Electronics		PCA9535RGER	1,227									9h
	IC Components Ltd.	2	PCA9535RGER	55,021			USD	6.750	6.750	6.750	6.750	6.750	3d

Texas Instruments

$ 1.703

Compare

Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander 24-Pin TSSOP

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Arrow Electronics		TCA9539QPWRQ1	1,835	1		USD	2.686	2.001	1.655	1.655	1.655
	Verical		TCA9539QPWRQ1	1,835	1		USD	2.561	1.955	1.627	1.620	1.620
	Weyland Electronics Group Pte. Ltd.		TCA9539QPWRQ1	20,000	1	Tape & Reel	USD	0.301	0.301	0.301	0.301	0.301	20h
	Win Source		WS-TCA9539QPWRQ1	30,000	100		USD			0.523	0.407	0.407	19h
	Worldway Electronics		TCA9539QPWRQ1	27,252	7	Tape & Reel	USD		0.405	0.386	0.386	0.386	17h

Texas Instruments

$ 1.430

Compare

16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers 24-TSSOP -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Arrow Electronics		PCA9535PWR	0	2K		USD					1.199
	Weyland Electronics Group Pte. Ltd.		PCA9535PWR	8,000	1	Tape & Reel	USD	0.526	0.526	0.526	0.526	0.526	20h
	Win Source		WS-PCA9535PWR	12,000	60		USD			0.850	0.662	0.662	19h
	Classic Components	2	PCA9535PWR	15,423									9h
	ICPartonline		PCA9535PWR	12,274			USD	1.395	1.325	1.255	1.186	1.116	>1wk

Texas Instruments

$ 1.130

Compare

I2C/SMBus Interface 400kHz 5.5V 24-Pin TSSOP T/R

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	3	296-20974-1-ND	1,898	1	Cut Tape	USD	2.100	1.550	1.262	1.149	1.149
	Arrow Electronics		PCA9555PWR	0	2K		USD					1.091
	Mouser		595-PCA9555PWR	2,640	1	Tape & Reel	USD	2.100	1.550	1.270	1.130	1.040
	Weyland Electronics Group Pte. Ltd.		PCA9555PWR	50,000	1	Tape & Reel	USD	0.374	0.374	0.374	0.374	0.374	20h
	Win Source		WS-PCA9555PWR	50,000	90		USD			0.566	0.441	0.441	19h

Texas Instruments

$ 0.837

Compare

8-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt 20-TSSOP -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	3	296-13107-1-ND	4,501	1	Cut Tape	USD	1.590	1.158	0.934	0.837	0.837
	Mouser		595-PCF8574APWR	5,552	1	Tape & Reel	USD	1.590	1.160	0.935	0.837	0.766
	Component Stockers USA		PCF8574APWR	5,168			USD	0.670	0.670	0.670	0.810	0.810	>1wk
	Weyland Electronics Group Pte. Ltd.		PCF8574APWR	420	1	Tape & Reel	USD	0.571	0.571	0.571	0.571	0.571	20h
	Win Source		WS-PCF8574APWR	15,020	60		USD			0.887	0.691	0.691	19h

STMicroelectronics

Compare

Port Expander With Advanced Touch Screen Controller Serial I2C/SPI 400kHz 16-Pin QFN EP T/R

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	element14 APAC	2	STMPE811QTR	0	1	Cut Tape	USD*	1.929*	1.507*	1.382*	1.265*	1.218*	8h
	Farnell	2	STMPE811QTR	0	1	Cut Tape	USD*	3.615*	2.701*	2.298*	2.298*	2.298*	18h
	Component Stockers USA		STMPE811QTR	20,000			USD	6.560	6.530	6.490	6.440	6.440	>1wk
	Weyland Electronics Group Pte. Ltd.		STMPE811QTR	8,000	1	Tape & Reel	USD	1.803	1.803	1.803	1.803	1.803	20h
	Win Source		WS-STMPE811QTR	26,481	25		USD			1.814	1.561	1.561	19h

Texas Instruments

$ 0.975

Compare

8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers 16-TSSOP -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	3	296-20978-1-ND	2,116	1	Cut Tape	USD	1.810	1.332	1.079	0.975	0.975
	Arrow Electronics		PCA9557PWR	0	2K		USD					0.796
	Mouser		595-PCA9557PWR	5,135	1	Tape & Reel	USD	1.810	1.340	1.080	0.975	0.914
	Weyland Electronics Group Pte. Ltd.		PCA9557PWR	10,000	1	Tape & Reel	USD	0.436	0.436	0.436	0.436	0.436	20h
	Win Source		WS-PCA9557PWR	10,850	75		USD			0.692	0.539	0.539	19h

Texas Instruments

$ 1.021

Compare

8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers 16-VQFN -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Arrow Electronics		PCA9534RGVR	4	1		USD	0.911	0.911	0.911	0.911	0.911
	DigiKey	3	296-22708-1-ND	9,161	1	Cut Tape	USD	2.140	1.583	1.289	1.175	1.061
	Mouser		595-PCA9534RGVR	5,058	1	Tape & Reel	USD	1.990	1.590	1.290	1.130	1.060
	Win Source		WS-PCA9534RGVR	27,560	45		USD			1.162	0.774	0.774	19h
	Worldway Electronics		PCA9534RGVR	16,238	7	Tape & Reel	USD		0.525	0.509	0.482	0.482	17h

Texas Instruments

$ 1.590

Compare

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

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	3	296-22709-1-ND	2,747	1	Cut Tape	USD	2.860	2.136	1.755	1.626	1.626
	Mouser		595-PCA9554ARGVR	504	1	Tape & Reel	USD	2.860	2.140	1.760	1.590	1.450
	Component Stockers USA		PCA9554ARGVR	11,295			USD	1.480	1.250	1.070	0.730	0.730	>1wk
	Win Source		WS-PCA9554ARGVR	103,758	55		USD			0.983	0.655	0.655	19h
	Worldway Electronics		PCA9554ARGVR	17,845	7	Tape & Reel	USD		0.227	0.220	0.209	0.209	17h

Texas Instruments

$ 1.090

Compare

16-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers 24-SSOP -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	3	296-44625-1-ND	1,978	1	Cut Tape	USD	2.040	1.507	1.225	1.114	1.114
	Arrow Electronics		TCA9535DBR	0	2K		USD					1.057
	Mouser		595-TCA9535DBR	2,391	1	Tape & Reel	USD	2.040	1.510	1.230	1.090	1.010
	Weyland Electronics Group Pte. Ltd.		TCA9535DBR	2,841	1	Tape & Reel	USD	0.541	0.541	0.541	0.541	0.541	20h
	Win Source		WS-TCA9535DBR	59,887	45		USD			1.184	0.790	0.790	19h