Rochester Electronics I/O Expanders

$ 2.559

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Mobile I/O Companion Supporting Keyscan, I/O Expansion, PWM, and ACCESS.bus Host Interface 25-DSBGA -40 to 85

Distributor		SKU		Min	Pkg	Bulk Pricing				Updated
Rochester Electronics		LM8328TME/NOPB	7,500			USD	2.310	2.070	1.940	14h
DigiKey		296-LM8328TME/NOPBTR-ND	250	250	Tape & Reel	USD		2.838	2.838
Verical	2	LM8328TME/NOPB	1,250	130		USD		2.588	2.425
Arrow Electronics		LM8328TME/NOPB	0	250		USD		2.761	2.600
Win Source		WS-LM8328TME/NOPB	6,250	14		USD	2.737	2.454	2.454	15h

Texas Instruments

PCA9534DBR

$ 1.911

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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

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Arrow Electronics	2	PCA9534DBR	593	1		USD	3.028	3.011	2.427	2.183	2.183
Rochester Electronics		PCA9534DBR	41			USD			1.810	1.620	1.530	14h
Verical	2	PCA9534DBR	67	9		USD			0.133	0.133	0.133
Mouser		595-PCA9534DBR	2,887	1	Tape & Reel	USD	4.410	3.690	2.860	2.080	1.950
Win Source		WS-PCA9534DBR	1,956	9		USD		5.761	3.840	3.840	3.840	15h

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	14h
Verical	2	PCA9539DBQR	17,135	164		USD				2.063	1.938
Mouser		595-PCA9539DBQR	2,438	1	Tape & Reel	USD	5.670	3.750	2.910	2.110	2.060
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	15h

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	14h
Verical	PCA9538DWR	4,699	187		USD				1.800	1.688
Mouser	595-PCA9538DWR	1,331	1	Tape & Reel	USD	4.910	3.250	2.520	1.840	1.810
Win Source	WS-PCA9538DWR	8,110	11		USD			3.298	3.298	3.298	15h
Worldway Electronics	PCA9538DWR	29,557	7	Tape & Reel	USD		0.403	0.391	0.370	0.370	14h

Analog Devices

MAX7329AWE+

$ 2.100

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MAX7329 Tube Active I2C io expander 5.5V 10.3mm 100kHz 25mA

Manufacturer Page

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Analog Devices		MAX7329AWE+	41,708		Tube	USD	3.690	2.783	2.783	1.680	1.680	21h
Rochester Electronics	2	MAX7329AWE+	6,457			USD			2.100	1.880	1.770	14h
DigiKey		MAX7329AWE+-ND	29	1	Tube	USD	4.310	3.265	2.863	2.494	2.355
Arrow Electronics		MAX7329AWE+	0	230		USD				2.100	2.100
Farnell		MAX7329AWE+	0	230	Tube	USD*				2.229*	2.229*	13h

Texas Instruments

PCA9557DB

$ 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

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics		PCA9557DB	24,349			USD			1.530	1.370	1.290	14h
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	26		USD			1.584	1.329	1.329	15h

Texas Instruments

PCA9518DBT

$ 2.360

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

Manufacturer Page

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics		PCA9518DBT	2,819			USD			2.150	1.920	1.810	14h
DigiKey	2	296-PCA9518DBTCT-ND	463	1	Cut Tape	USD	4.410	3.343	2.782	2.782	2.782
Verical	3	PCA9518DBT	319	140		USD				2.400	2.263
Component Stockers USA		PCA9518DBT	17,353			USD	1.330	1.330	1.250	1.130	2.270	>1wk
Win Source		WS-PCA9518DBT	7,300	20		USD			2.051	1.720	1.720	15h

Texas Instruments

PCA9534DB

$ 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

CAD Models

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	14h
DigiKey		296-49855-ND	234	1	Tube	USD	4.150	3.145	2.653	2.566	2.566
Verical	3	PCA9534DB	400	144		USD				2.338	2.200
Mouser		595-PCA9534DB	109	1	Tube	USD	4.150	3.150	2.540	2.450	2.390

Texas Instruments

PCA9534ADB

$ 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

CAD Models

Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
Rochester Electronics		PCA9534ADB	20,295			USD			2.120	1.900	1.780	14h
DigiKey		PCA9534ADB-ND	372	1	Tube	USD	4.210	3.191	2.693	2.606	2.606
Verical	2	PCA9534ADB	13,900	142		USD				2.375	2.225
Arrow Electronics		PCA9534ADB	0	560		USD				2.586	2.460
Win Source		WS-PCA9534ADB	3,130	22		USD			1.845	1.547	1.547	15h

Texas Instruments

PCA9554DGVR

$ 1.470

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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
Rochester Electronics		PCA9554DGVR	13,607			USD			1.420	1.270	1.190	14h
Verical	3	PCA9554DGVR	1,832	212		USD				1.588	1.488
Mouser		595-PCA9554DGVR	1,990	1	Tape & Reel	USD	4.340	2.870	2.220	1.610	1.520
Win Source		WS-PCA9554DGVR	20	4		USD		11.947	9.707	9.707	9.707	15h
Worldway Electronics		PCA9554DGVR	20,792	7	Tape & Reel	USD		0.477	0.462	0.438	0.438	14h

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