Classic Components I/O Expanders

$ 1.226

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I2C/SMBus Interface 400kHz 5.5V 16-Pin TSSOP Tube / IC I/O EXPANDER I2C 8B 16TSSOP

Distributor	SKU		Min	Bulk Pricing						Updated
Rochester Electronics	PCA9554PW	76,439		USD			1.220	1.090	1.020	8h
Verical	PCA9554PW	75,858	246	USD				1.363	1.275
Sensible Micro	PCA9554PW	2,409		USD			1.040	0.963	0.963	5d
Component Stockers USA	PCA9554PW	55,139		USD	1.590	1.590	1.490	1.350	1.350	>1wk
Win Source	WS-PCA9554PW	41,924	55	USD			0.943	0.734	0.734	9h

NXP Semiconductors

PCA9555D

$ 1.546

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

Manufacturer Page

CAD Models

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	1d
Worldway Electronics		PCA9555D	18,148	7		USD		1.502	1.430	1.430	1.430	8h
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	1d

NXP Semiconductors

PCA8575PW,112

$ 0.930

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I/o Expander, 16Bit, 400 Khz, I2C, 2.3 V, 5.5 V, Tssop Rohs Compliant: Yes

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics		PCA8575PW,112	2			USD			1.120	0.930	0.829	8h
Farnell	2	PCA8575PW,112	0	1	Cut Tape	USD*	1.761*	1.761*	1.246*	0.899*	0.805*	8h
Microchip USA		PCA8575PW,112	363	150	Tube	USD				12.363	12.363	2d
Component Stockers USA		PCA8575PW,112	93			USD	0.940	0.940	0.890	0.890	0.890	>1wk
Win Source		WS-PCA8575PW,112	4,580	15		USD			2.597	2.328	2.328	9h

NXP Semiconductors

PCA9557PW

$ 0.612

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I/O Expander, 8bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, TSSOP

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
UnikeyIC		PCA9557PW	2,625	10	Tube	USD		0.654	0.654	0.612	0.591	1d
Farnell		PCA9557PW	0	1		USD*	1.300*	1.300*	0.870*	0.606*	0.552*	8h
Weyland Electronics Group Pte. Ltd.		PCA9557PW	15,696	1	Tape & Reel	USD	0.389	0.389	0.389	0.389	0.389	1d
Worldway Electronics		PCA9557PW	7,550	7	Tube	USD		0.225	0.215	0.215	0.215	8h
Antdic Electronics	2	PCA9557PW	18,933			USD	49.000	46.550	44.100	39.200	36.750	>1wk

Texas Instruments

PCA9535DB

$ 1.474

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

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing					Updated
Rochester Electronics		PCA9535DB	26,228			USD		1.460	1.310	1.230	8h
Verical	4	PCA9535DB	7,499	206		USD			1.638	1.538
Microchip USA		PCA9535DB	2,942	600	Bulk	USD			1.544	1.544	2d
Win Source		WS-PCA9535DB	1,403	25		USD		1.620	1.358	1.358	9h
Worldway Electronics		PCA9535DB	13,974	7	Bulk	USD	0.431	0.418	0.396	0.396	8h

Texas Instruments

TCA6408ZXYR

$ 1.373

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Push-Pull Surface Mount ROHS3Compliant POR I/O Expander -40C~85C 10mA 25mA 400kHz 1.65V~5.5V

Manufacturer Page

CAD Models

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics	TCA6408ZXYR	39,279			USD			1.470	1.220	1.090	8h
Verical	TCA6408ZXYR	39,279	205		USD				1.525	1.363
Win Source	WS-TCA6408ZXYR	7,000	30		USD			1.509	1.266	1.266	9h
Worldway Electronics	TCA6408ZXYR	14,541	7	Tape & Reel	USD		0.410	0.398	0.377	0.377	8h
ICPartonline	TCA6408ZXYR	30,261			USD	12.000	11.400	10.800	10.200	9.600	>1wk

Renesas

IS82C55A

$ 23.625

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

Manufacturer Page

CAD Models

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics	IS82C55A	371			USD			23.470	21.000	19.760	8h
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	10,782	7	Tube	USD		17.863	17.317	16.405	16.405	8h

NXP Semiconductors

PCF8574AT

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

Manufacturer Page

CAD Models

Distributor		SKU		Min	Bulk Pricing						Updated
Farnell		PCF8574AT	0	1	USD*	1.216*	1.216*	0.914*	0.667*	0.613*	8h
Worldway Electronics		PCF8574AT	19,410	7	USD		0.799	0.761	0.761	0.761	8h
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	1d
Voyager Components		PCF8574AT-PHILIPS-N/A	52		USD	1.233	0.931	0.520	0.520	0.520	15h

Texas Instruments

TCAL6408DTUR

$ 0.804

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8-bit translating I²C-bus/SMBus I/O expander with interrupt, reset, and agile I/O 16-X2QFN -40 to 125

Manufacturer Page

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
DigiKey	3	296-TCAL6408DTURCT-ND	3,000	1	Cut Tape	USD	1.530	1.116	0.899	0.803	0.803
Arrow Electronics		TCAL6408DTUR	0	3K		USD					1.372
Mouser		595-TCAL6408DTUR	1,482	1	Tape & Reel	USD	1.530	1.120	0.899	0.804	0.735
Worldway Electronics		TCAL6408DTUR	25,636	7	Tape & Reel	USD		0.235	0.227	0.215	0.215	8h
Classic Components		TCAL6408DTUR	2,907			USD			7.728	7.728	7.728	23h

Intel

P82C59A-2

$ 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	2h
Rochester Electronics	P82C59A2	1			USD			4.240	3.790	3.570	8h
Microchip USA	P82C59A-2	233	600	Tray	USD				3.800	3.800	2d
Classic Components	P82C59A-2	1			USD			12.416	12.416	12.416	23h
Aztech	P82C59A-2	2,992			USD	4.010	4.010	4.010	4.010	4.010	1d

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