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Abacus Technologies I/O Expanders

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Non-Authorized Stocking Distributors

NXP Semiconductors

$ 0.612

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

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	UnikeyIC		PCA9557PW	2,625	10	Tube	USD		0.654	0.654	0.612	0.591	3h
	Farnell		PCA9557PW	0	1		USD*	1.296*	1.296*	0.867*	0.604*	0.551*	3h
	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	7,546	7	Tube	USD		0.225	0.215	0.215	0.215	3h
	Antdic Electronics	2	PCA9557PW	18,933			USD	49.000	46.550	44.100	39.200	36.750	>1wk

NXP Semiconductors

$ 1.100

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I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin SSOP Bulk

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		PCA9555DB,112	43			USD			1.320	1.100	0.977	3h
	Farnell		PCA9555DB,112	0	1		USD*	2.104*	2.104*	1.474*	1.075*	0.980*	3h
	Worldway Electronics		PCA9555DB,112	17,190	7	Tube	USD		0.360	0.349	0.331	0.331	3h
	Aztech		PCA9555DB,112	9,435			USD	3.960	3.960	3.960	3.960	3.960	23h
	Fly-Wing Technology		PCA9555DB,112	1,805			USD	4.977	4.084	3.957	3.701	3.701	1h

NXP Semiconductors

$ 1.020

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

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		PCA9539PW,112	141			USD			1.230	1.020	0.910	3h
	Farnell		PCA9539PW,112	0	1		USD*	1.461*	1.461*	1.265*	1.032*	0.990*	3h
	Component Stockers USA		PCA9539PW,112	188			USD	1.040	1.040	0.980	0.980	0.980	>1wk
	Worldway Electronics		PCA9539PW,112	3,498	7	Tube	USD		0.326	0.316	0.299	0.299	3h
	Esaler Electronic		PCA9539PW,112	1,575			USD	0.951	0.942	0.933	0.924	0.915	2d

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*	1.213*	1.213*	0.911*	0.665*	0.611*	3h
	Worldway Electronics		PCF8574AT	19,443	7		USD		0.799	0.761	0.761	0.761	3h
	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	23h
	Voyager Components		PCF8574AT-PHILIPS-N/A	52			USD	1.233	0.931	0.520	0.520	0.520	9h

$ 2.185

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Tape & Reel (TR) ADP5520 Step-Up (Boost) I2C led driver 14mA 30mA 5.5V 400kHz -40C~85C TA

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		ADP5520ACPZ-R7	4,075			USD			2.130	1.900	1.790	3h
	Mouser		584-ADP5520ACPZ-R7	318	1	Tape & Reel	USD	6.100	4.200	3.440	2.470	2.450
	Component Stockers USA		ADP5520ACPZ-R7	6,213			USD	2.460	2.460	2.310	2.090	2.090	>1wk
	Win Source		WS-ADP5520ACPZ-R7	20	14		USD			3.129	2.806	2.806	3h
	Worldway Electronics		ADP5520ACPZ-R7	23,525	7	Tape & Reel	USD		0.642	0.623	0.590	0.590	3h

$ 48.124

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J Bend Quad Industrial Cmos I/o Expander 85C 16.585MM 4.5V

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Renesas		IMS82C55AZ	75	1	Tube	USD	63.130	51.067	48.124	48.124	48.124	1h
	DigiKey		IMS82C55AZ-ND	75	1	Tube	USD	63.130	51.067	48.124	48.124	48.124
	Worldway Electronics		IMS82C55AZ	24,813	7	Tube	USD		40.347	39.112	37.053	37.053	3h
	IC Components Ltd.		IMS82C55AZ	1,000			USD	17.900	17.900	17.900	6.683	6.562	2h
	Easev		IMS82C55AZ	34,790			USD	10.239	10.239	9.727	8.908	7.372	16h

Texas Instruments

$ 1.367

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5-channel bidirectional 3- to 3.6-V expandable 400-kHz I2C/SMBus buffer/hub 20-TSSOP -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		PCA9518PW	199			USD			1.480	1.330	1.250	3h
	DigiKey		296-33490-5-ND	2,670	1	Tube	USD	2.550	1.892	1.589	1.404	1.324
	Win Source		WS-PCA9518PW	22,000	45		USD			1.115	0.926	0.926	3h
	GreenTree Electronics		PCA9518PW	149									2h
	Hi-Tech Circuit Group Ltd.		PCA9518PW	3,071			USD			1.810	1.774	1.720	13h

NLVPCA9535EMTTXG

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IC XPNDR 100KHZ I2C 24WQFN / I/O Expander 8 I²C 100 kHz 24-WQFN (4x4)

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark		NLVPCA9535EMTTXG	0	3K	Tape & Reel	USD					1.160
	Farnell		NLVPCA9535EMTTXG	0	3K	Tape & Reel	USD*					1.230*	3h
	Win Source		WS-NLVPCA9535EMTTXG	209	12		USD			3.199	2.868	2.868	3h
	Worldway Electronics		NLVPCA9535EMTTXG	22,444	7	Tape & Reel	USD		0.345	0.334	0.316	0.316	3h
	Aztech		NLVPCA9535EMTTXG	5,838			USD	1.700	1.700	1.700	1.700	1.700	23h

NXP Semiconductors

$ 0.636

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I/o Expander, 8Bit, 400 Khz, I2C, Smbus, 2.3 V, 5.5 V, Soic Rohs Compliant: Yes

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		PCA9557D,112	300			USD			0.766	0.636	0.567	3h
	Component Stockers USA		PCA9557D,112	324			USD	0.670	0.670	0.630	0.630	0.630	>1wk
	Worldway Electronics	2	PCA9557D,112	17,546	7	Tube	USD		0.213	0.206	0.195	0.195	3h
	Easev		PCA9557D112	6,363			USD	0.343	0.343	0.326	0.298	0.247	16h
	Aztech		PCA9557D,112	4,467			USD	5.400	5.400	5.400	5.400	5.400	23h

NXP Semiconductors

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I2C/SMBus GPIO Expander 100kHz/400kHz 5.5V Automotive 16-Pin SO Bulk

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Avnet		PCA9538D,112	1,019	3334		USD					0.203	4d
	Flip Electronics		PCA9538D,112	1,019									6d
	Worldway Electronics		PCA9538D,112	19,363	7	Tube	USD		0.068	0.066	0.062	0.062	3h
	Aztech		PCA9538D,112	6,353			USD	4.840	4.840	4.840	4.840	4.840	23h
	Fly-Wing Technology		PCA9538D,112	2,171			USD	0.761	0.718	0.677	0.602	0.602	1h