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Abacus Technologies I/O Expanders

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Texas Instruments

$ 1.592

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

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		PCA9557DB	24,349			USD			1.530	1.370	1.290	1h
	Verical	3	PCA9557DB	320	197		USD				1.713	1.613
	Arrow Electronics		PCA9557DB	0	1040		USD					1.750
	Mouser		595-PCA9557DB	420	1	Tube	USD	4.720	3.120	2.410	2.050	1.680
	Win Source		WS-PCA9557DB	3,000	120		USD				0.323	0.289	2h

NXP Semiconductors

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Tape & Reel (TR) Active I2C SMBus e4 io expander 3V 4mm 400kHz 10mA 25mA

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark		PCA9555BSHP	0	6K	Tape & Reel	USD					1.340
	Avnet		PCA9555BSHP	0	6K		USD					1.269	4d
	Arrow Electronics		PCA9555BSHP	0	6K		USD					1.386
	Farnell		PCA9555BSHP	0	6K	Custom Reel	USD*					1.052*	1h
	Component Stockers USA		PCA9555BSHP	2,332			USD	16.370	16.370	16.370	16.370	16.370	>1wk

Texas Instruments

$ 2.394

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

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Arrow Electronics		PCA9534DB	560	80		USD			2.554	2.503	2.503
	Rochester Electronics	2	PCA9534DB	13,488			USD			2.090	1.870	1.760	1h
	Verical	3	PCA9534DB	640	144		USD				2.338	2.200
	DigiKey		296-49855-ND	234	1	Tube	USD	4.150	3.145	2.653	2.566	2.566
	Mouser		595-PCA9534DB	109	1	Tube	USD	4.150	3.150	2.540	2.450	2.390

PI4IOE5V9538LEX

$ 0.597

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400kHz SMBus TSSOP-16 I/O Expanders ROHS

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	2	31-PI4IOE5V9538LEXCT-ND	1,870	1	Cut Tape	USD	1.140	0.825	0.659	0.597	0.597
	Newark		PI4IOE5V9538LEX	0	1	Cut Tape	USD	1.530	1.210	1.050	0.985	0.985
	Avnet		PI4IOE5V9538LEX	0	2500		USD					0.520	4d
	Arrow Electronics		PI4IOE5V9538LEX	0	2500		USD					0.601
	Mouser		729-PI4IOE5V9538LEX	1,822	1	Tape & Reel	USD	1.140	0.825	0.659	0.590	0.536

Texas Instruments

$ 2.468

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

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		PCA9534ADB	20,295			USD			2.120	1.900	1.780	1h
	Verical	2	PCA9534ADB	13,900	142		USD				2.375	2.225
	DigiKey		PCA9534ADB-ND	372	1	Tube	USD	4.210	3.191	2.693	2.606	2.606
	Arrow Electronics		PCA9534ADB	0	560		USD				2.586	2.460
	Win Source		WS-PCA9534ADB	3,130	22		USD			1.845	1.547	1.547	2h

PI4IOE5V6416AQ2LEX

$ 1.394

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I/O Expander 16bit Serial I2C/SMBus 24-Pin TSSOP T/R

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	2	31-PI4IOE5V6416AQ2LEXCT-ND	2,571	1	Cut Tape	USD	2.520	1.869	1.530	1.408	1.408
	Avnet		PI4IOE5V6416AQ2LEX	0	3K		USD					1.072	4d
	Arrow Electronics		PI4IOE5V6416AQ2LEX	0	3K		USD					1.447
	Mouser		621-PI4IOE5V6416AQ2L	2,916	1	Tape & Reel	USD	2.520	1.870	1.530	1.380	1.240
	Win Source		WS-PI4IOE5V6416AQ2LEX	12,000	13		USD			3.077	2.759	2.759	2h

PI4IOE5V6416Q2LEX

$ 1.200

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IC XPNDR 400KHZ I2C 24TSSOP / I/O Expander 16 I²C 400 kHz 24-TSSOP

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	DigiKey	2	31-PI4IOE5V6416Q2LEXCT-ND	2,600	1	Cut Tape	USD	2.220	1.643	1.340	1.224	1.224
	Newark		PI4IOE5V6416Q2LEX	0	1	Cut Tape	USD	2.220	1.670	1.360	1.180	1.180
	Avnet		PI4IOE5V6416Q2LEX	0	3K		USD					1.083	4d
	Arrow Electronics		PI4IOE5V6416Q2LEX	0	3K		USD					1.447
	Mouser		621-I4IOE5V6416Q2LEX	5,724	1	Tape & Reel	USD	2.220	1.650	1.340	1.200	1.100

$ 0.926

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I/O Expander, 16 bit, I2C, SMBus, 2.3 V, 5.5 V, TSSOP, 24 Pins

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark		PCA9539PWJ	1,233	1	Cut Tape	USD	3.230	2.470	2.070	1.860	1.860
	DigiKey	2	1727-PCA9539PWJCT-ND	778	1	Cut Tape	USD	1.730	1.271	1.028	0.926	0.926
	Avnet		PCA9539PWJ	0	2500		USD					0.808	4d
	Farnell	2	PCA9539PWJ	1,233	1	Cut Tape	USD*	2.583*	1.726*	1.526*	1.338*	1.311*	1h
	element14 APAC	2	PCA9539PWJ	1,233	1	Cut Tape	USD*	2.467*	1.671*	1.468*	1.288*	1.265*	15h

NCA9539PW-Q100J

$ 0.888

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I/O Expander, 16 bit, I2C, SMBus, 1.65 V, 5.5 V, TSSOP, 24 Pins

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark		NCA9539PW-Q100J	2,500	1	Cut Tape	USD	3.430	2.420	2.190	2.000	2.000
	DigiKey	2	1727-NCA9539PW-Q100JCT-ND	770	1	Cut Tape	USD	1.670	1.222	0.987	0.887	0.887
	Avnet		NCA9539PW-Q100J	0	2500		USD					0.779	4d
	Farnell	2	NCA9539PW-Q100J	2,500	1	Cut Tape	USD*	2.476*	1.646*	1.459*	1.322*	1.322*	1h
	element14 APAC	2	NCA9539PW-Q100J	2,500	1	Cut Tape	USD*	2.389*	1.593*	1.413*	1.234*	1.195*	15h

NCA9555PW-Q100J

$ 0.880

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Low-voltage 16-bit I²C and SMBus I/O expander with interrupt output and configuration registers

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Newark		NCA9555PW-Q100J	37	1	Cut Tape	USD	3.770	2.860	2.400	2.200	2.200
	Avnet		NCA9555PW-Q100J	0	2500		USD					0.772	4d
	Farnell	2	NCA9555PW-Q100J	37	1	Cut Tape	USD*	2.957*	1.967*	1.445*	1.311*	1.311*	1h
	element14 APAC	2	NCA9555PW-Q100J	37	1	Cut Tape	USD*	2.850*	1.897*	1.405*	1.226*	1.187*	15h
	Mouser		771-NCA9555PW-Q100J	46	1	Tape & Reel	USD	1.700	1.240	0.980	0.880	0.806