Chipsmall Limited I/O Expanders

$ 3.780

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Interface - I/O Expanders I C Port Expander with Eight Inputs and Maskable Transition Detection

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Analog Devices		MAX7319AEE+T	931	1	Tape & Reel	USD	5.620	4.297	3.604	3.241	2.913	12h
DigiKey	2	175-MAX7319AEE+TCT-ND	4,651	1	Cut Tape	USD	6.560	5.043	4.245	4.100	4.100
Arrow Electronics		MAX7319AEE+T	0	2500		USD					3.074
Farnell		MAX7319AEE+T	0	2500	Tape & Reel	USD*					3.578*	4h
Mouser		700-MAX7319AEE+T	4,938	1	Tape & Reel	USD	6.420	4.920	4.140	3.780	3.620

Texas Instruments

PCA9539DBQR

$ 1.856

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

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics		PCA9539DBQR	26,284			USD			1.840	1.650	1.550	4h
Verical	2	PCA9539DBQR	17,135	164		USD				2.063	1.938
Mouser		595-PCA9539DBQR	2,783	1	Tape & Reel	USD	5.670	3.750	2.910	2.110	2.030
Component Stockers USA		PCA9539DBQR	31,793			USD	1.090	1.090	1.030	0.930	0.930	>1wk
Win Source		WS-PCA9539DBQR	9,700	24		USD			1.675	1.405	1.405	5h

NXP Semiconductors

PCA9704PW/Q900J

$ 2.473

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Shift Register 1-Element 8Stage Octal Serial to Serial 16-Pin TSSOP T/R

Manufacturer Page

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
DigiKey	2	568-15392-1-ND	622	1	Cut Tape	USD	4.250	3.211	2.668	2.473	2.473
Newark		PCA9704PW/Q900J	0	2500		USD					2.150
Avnet		PCA9704PW/Q900J	0	2500		USD					2.127	7h
Arrow Electronics		PCA9704PW/Q900J	0	2500		USD					1.854
Farnell		PCA9704PW/Q900J	0	2500	Custom Reel	USD*					2.322*	4h

Texas Instruments

TCA9554ADWR

$ 0.649

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8-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 16-SOIC -40 to 85

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Arrow Electronics		TCA9554ADWR	1,984	1		USD	1.240	0.939	0.759	0.649	0.649
DigiKey	2	296-45456-1-ND	233	1	Cut Tape	USD	1.510	1.098	0.884	0.789	0.789
Verical		TCA9554ADWR	1,984	3		USD		0.939	0.759	0.649	0.570
Mouser		595-TCA9554ADWR	1,706	1	Tape & Reel	USD	1.510	1.100	0.884	0.795	0.705
Worldway Electronics		TCA9554ADWR	19,754	7	Tape & Reel	USD		0.218	0.211	0.200	0.200	4h

Texas Instruments

PCA9554DBR

$ 1.260

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8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Arrow Electronics		PCA9554DBR	50	1		USD	2.022	1.552	1.424	1.424	1.424
Rochester Electronics		PCA9554DBR	39,964			USD			1.410	1.170	1.040	4h
DigiKey	2	296-21781-1-ND	28	1	Cut Tape	USD	2.290	1.696	1.548	1.548	1.548
Verical	5	PCA9554DBR	50	2		USD		1.552	1.274	1.152	0.996
Mouser		595-PCA9554DBR	34	1	Tape & Reel	USD	2.290	1.700	1.430	1.260	1.080

Analog Devices

MAX7319ATE+T

$ 3.490

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I²C Port Expander with Eight Inputs and Maskable Transition Detection

Manufacturer Page

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Analog Devices		MAX7319ATE+T	619	1	Tape & Reel	USD	5.200	3.970	3.323	2.983	2.899	12h
DigiKey	3	175-MAX7319ATE+TCT-ND	3,091	1	Cut Tape	USD	6.080	4.656	3.911	3.764	3.764
Arrow Electronics		MAX7319ATE+T	0	2500		USD					2.822
Farnell		MAX7319ATE+T	0	2500	Tape & Reel	USD*					3.281*	4h
Mouser		700-MAX7319ATET	976	1	Tape & Reel	USD	6.020	4.590	3.830	3.490	3.420

Texas Instruments

PCA9538DWR

$ 1.665

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

Manufacturer Page

CAD Models

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics	PCA9538DWR	4,722			USD			1.610	1.440	1.350	4h
Verical	PCA9538DWR	4,699	187		USD				1.800	1.688
Mouser	595-PCA9538DWR	1,341	1	Tape & Reel	USD	3.460	2.580	2.120	1.860	1.810
Win Source	WS-PCA9538DWR	8,110	9		USD		5.612	3.742	3.742	3.742	5h
Worldway Electronics	PCA9538DWR	29,463	7	Tape & Reel	USD		0.403	0.391	0.370	0.370	4h

Analog Devices

DS4510U-5+

$ 2.510

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Supervisory Circuits CPU Supervisor with Nonvolatile Memory and Programmable I/O

Manufacturer Page

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
Analog Devices	DS4510U-5+	956		Tube	USD	4.140	3.135	2.606	2.329	2.260	12h
DigiKey	DS4510U-5+-ND	400	1	Tube	USD	4.840	3.678	3.070	2.751	2.671
Arrow Electronics	DS4510U-5+	0	200		USD				2.191	2.191
Farnell	DS4510U-5+	0	200	Tube	USD*				2.552*	2.552*	4h
Mouser	700-DS4510U-5+	210	1	Tube	USD	4.840	3.680	3.060	2.690	2.630

Texas Instruments

PCA9535DW

$ 2.538

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

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics		PCA9535DW	8,028			USD			2.270	2.030	1.910	4h
Verical	2	PCA9535DW	7,108	133		USD				2.538	2.388
Mouser		595-PCA9535DW	396	1	Tube	USD	4.710	3.670	2.940	2.580	2.540
Component Stockers USA		PCA9535DW	12,017			USD	1.420	1.420	1.340	1.210	1.210	>1wk
Win Source		WS-PCA9535DW	1,854	12		USD			3.246	2.911	2.911	5h

Diodes Inc.

PI4IOE5V9557LEX

$ 0.597

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400KHZ I2C TSSOP-16 I/o Expanders Rohs

Manufacturer Page

Distributor	SKU		Min	Pkg	Bulk Pricing						Updated
DigiKey	31-PI4IOE5V9557LEXCT-ND	2,667	1	Cut Tape	USD	1.140	0.825	0.659	0.597	0.597
Avnet	PI4IOE5V9557LEX	0	2500		USD					0.520	7h
Arrow Electronics	PI4IOE5V9557LEX	0	2500		USD					0.598
Hi-Tech Circuit Group Ltd.	PI4IOE5V9557LEX	1,999			USD			0.950	0.945	0.941	3d
UnikeyIC	PI4IOE5V9557LEX	2,667	2500	Tape & Reel	USD					0.557	4h

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