Arrow Electronics I/O Expanders

$ 1.530

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

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Arrow Electronics	PCA9538DGVR	0	2K		USD					1.839
Win Source	WS-PCA9538DGVR	2,000	30		USD			1.508	1.225	1.225	1h
Worldway Electronics	PCA9538DGVR	12,713	7	Tape & Reel	USD		0.590	0.572	0.542	0.542	2d
ICPartonline	PCA9538DGVR	27,022			USD	0.649	0.616	0.584	0.551	0.519	>1wk
Hi-Tech Circuit Group Ltd.	PCA9538DGVR	1,989			USD			1.310	1.284	1.245	3d

Analog Devices

MAX7349AEG+T

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2-Wire Interfaced Low-EMI Key Switch and Sounder Controllers

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CAD Models

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Analog Devices	MAX7349AEG+T	0	2500	Tape & Reel	USD					3.110	7h
Arrow Electronics	MAX7349AEG+T	0	2500		USD					4.034
Microchip USA	MAX7349AEG+T	1,945	600	Tray	USD				2.912	2.912	3d
Worldway Electronics	MAX7349AEG+T	7,710	7	Tape & Reel	USD		1.154	1.119	1.060	1.060	2d
ICPartonline	MAX7349AEG+T	27,916			USD	2.158	2.050	1.942	1.834	1.726	>1wk

Texas Instruments

PCA9557PW

$ 1.020

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

Manufacturer Page

CAD Models

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Arrow Electronics	PCA9557PW	164	1		USD	1.721	1.308	1.020	1.020	1.020
Verical	PCA9557PW	164	2		USD		1.308	1.020	0.989	0.884
Mouser	595-PCA9557PW	9,539	1	Tube	USD	2.960	1.930	1.460	1.200	0.930
Component Stockers USA	PCA9557PW	847			USD	1.980	1.780	1.430	1.180	1.180	>1wk
ICPartonline	PCA9557PW	8,467			USD	0.858	0.815	0.773	0.730	0.687	>1wk

NXP Semiconductors

PCA9673BS,118

$ 0.837

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Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset/ REEL RoHS Compliant: Yes

Manufacturer Page

CAD Models

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Verical	PCA9673BS,118	10	2		USD		0.985	0.786	0.689	0.689
Arrow Electronics	PCA9673BS,118	10	1		USD	1.319	0.985	0.985	0.985	0.985
Microchip USA	PCA9673BS,118	363	300		USD				8.860	8.860	3d
Component Stockers USA	PCA9673BS,118	7,790			USD		3.240	2.450	2.020	2.020	>1wk
Worldway Electronics	PCA9673BS,118	4,538	7	Tape & Reel	USD		2.933	2.843	2.693	2.693	2d

Texas Instruments

PCA9535RTWR

$ 2.330

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

Manufacturer Page

CAD Models

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Arrow Electronics	PCA9535RTWR	0	3K		USD					2.466
Win Source	WS-PCA9535RTWR	2,857	23		USD			1.765	1.480	1.480	1h
Worldway Electronics	PCA9535RTWR	28,504	7	Tape & Reel	USD		0.756	0.733	0.695	0.695	2d
ICPartonline	PCA9535RTWR	22,216			USD	1.261	1.198	1.135	1.072	1.009	>1wk
Anlinkda	PCA9535RTWR	18,594			USD	1.467	1.314	1.195	1.154	1.133	3d

NXP Semiconductors

PCA9554DB,112

$ 0.775

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I/O Expander, 8Bit, 400 Khz, I2c, Smbus, 2.3 V, 5.5 V, Ssop Rohs Compliant: Yes

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Verical	2	PCA9554DB,112	36	11		USD			0.554	0.554	0.554
Arrow Electronics		PCA9554DB,112	17	1		USD	1.285	0.996	0.996	0.996	0.996
Farnell	2	PCA9554DB,112	0	1	Cut Tape	USD*	1.373*	1.373*	0.857*	0.717*	0.682*	11h
Microchip USA	2	PCA9554DB,112	246	600	Tube	USD				4.727	4.727	3d
Worldway Electronics	2	PCA9554DB,112	13,342	7	Tube	USD		0.168	0.163	0.155	0.155	2d

Texas Instruments

TCAL6408DTUR

$ 0.783

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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
Mouser		595-TCAL6408DTUR	1,593	1	Tape & Reel	USD	1.480	1.090	0.873	0.762	0.713
Worldway Electronics		TCAL6408DTUR	25,617	7	Tape & Reel	USD		0.235	0.227	0.215	0.215	2d
Classic Components		TCAL6408DTUR	2,907			USD			7.728	7.728	7.728	1d
AERI		TCAL6408DTUR	2,700			USD				0.884	0.884	6h

Nuvoton

NCT5655W

$ 1.320

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GULL WING DUAL CMOS Open Drain io expander -40C~85C 400kHz 7.8mm 3V

Manufacturer Page

Distributor	SKU		Min	Bulk Pricing						Updated
Arrow Electronics	NCT5655W	0	62	USD			1.330	1.265	1.228
Fly-Wing Technology	NCT5655W	2,218		USD	2.049	0.793	0.765	0.752	0.752	3d
Lingto Electronic Ltd.	NCT5655W	48,235	1	USD	1.580	1.517	1.422	1.406	1.390	5d