RECTANGULAR Parallel I/O Ports 1,466

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Part	Manufacturer	Peripheral IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Maximum Supply Voltage	Screening Level	Address Bus Width	No. of Bits	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Minimum Supply Voltage	Maximum Operating Temperature	CPU Family	Minimum Operating Temperature	Terminal Finish	Terminal Position	No. of Ports	Maximum Seated Height	Width	Additional Features	External Data Bus Width	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	No. of Timers	Technology	Maximum Supply Current	Nominal Supply Voltage	Memory Organization	Sub-Category	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	JESD-609 Code	No. of I/O Lines
MAX7311AWG	NXP Semiconductors		AUTOMOTIVE	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES				16	2/5.5	SMALL OUTLINE	SOP24,.4		125 Cel		-40 Cel		DUAL											BICMOS				Parallel IO Port	1.27 mm	R-PDSO-G24		Not Qualified
MAX7311AWG+	Analog Devices	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2/5.5	SMALL OUTLINE	SOP24,.4	2 V	125 Cel		-40 Cel	Matte Tin (Sn) - annealed	DUAL	1	2.65 mm	7.5 mm				30	260	15.4 mm		BICMOS		3.3 V		Parallel IO Ports	1.27 mm	R-PDSO-G24	1	Not Qualified	e3	16
PCA9557PW/G	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm						5 mm		CMOS		3 V			.65 mm	R-PDSO-G16			e4	8
PCAL6416APW	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.1 mm	4.4 mm		0				7.8 mm	0	CMOS	200 mA	1.8 V			.65 mm	R-PDSO-G24	1		e4	16
CY8C9540A-24PVXI	Infineon Technologies	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	48	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.25 V			40	3.3/5	SMALL OUTLINE	SSOP48,.4	3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	8	2.794 mm	7.5 mm				20	260	15.875 mm		CMOS		3.3 V		Parallel IO Port	.635 mm	R-PDSO-G48	3	Not Qualified	e4	40
DS4520E+TRL	Analog Devices	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			9	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	2.7 V	85 Cel		-40 Cel	Matte Tin (Sn) - annealed	DUAL	1	1.1 mm	4.4 mm				30	260	5 mm		CMOS		5 V		Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e3	9
PCA9535DGVR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25,16	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	1.2 mm	4.4 mm			.4 MHz	NOT SPECIFIED	260	5 mm		CMOS	.2 mA	3 V		Parallel IO Ports	.4 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9557D,112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.5/5	SMALL OUTLINE	SOP16,.25	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.75 mm	3.9 mm				30	260	9.9 mm		CMOS				Parallel IO Port	1.27 mm	R-PDSO-G16	1	Not Qualified	e4	8
MCP23018T-E/SSVAO	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	AEC-Q100; TS 16949		16		SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	1.8 V	125 Cel		-40 Cel	MATTE TIN	DUAL	2	2 mm	5.3 mm			10 MHz			8.2 mm		CMOS	1 mA	5 V			.65 mm	R-PDSO-G24			e3	16
MCP23S09T-E/SO	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	TS 16949		8	2/5	SMALL OUTLINE	SOP18,.4	1.8 V	125 Cel		-40 Cel	Matte Tin (Sn) - annealed	DUAL	1	2.65 mm	7.5 mm			10 MHz	40	260	11.55 mm		CMOS	1 mA	5 V		Parallel IO Port	1.27 mm	R-PDSO-G18	2	Not Qualified	e3	8
MCP23S18T-E/SOVAO	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	AEC-Q100; TS 16949		16		SMALL OUTLINE	SOP28,.4	1.8 V	125 Cel		-40 Cel		DUAL	2	2.65 mm	7.5 mm			10 MHz			17.9 mm		CMOS	1 mA	5 V			1.27 mm	R-PDSO-G28				16
MSM81C55RS	Lapis Semiconductor		INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				14	5	IN-LINE	DIP40,.6		85 Cel	8085	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	3									1	CMOS	5 mA	5 V	256X8	Parallel IO Port	2.54 mm	R-PDIP-T40		Not Qualified	e0
PCA8574AD,518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.5/5	SMALL OUTLINE	SOP16,.25	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	2.65 mm	7.5 mm				30	260	10.3 mm		CMOS		3 V		Parallel IO Ports	1.27 mm	R-PDSO-G16	2	Not Qualified	e4	8
PCA8574TS,112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.5/5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.5 mm	4.4 mm				30	260	6.5 mm		CMOS		3 V		Parallel IO Ports	.65 mm	R-PDSO-G20	1	Not Qualified	e4	8
PCF8575CDBQR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16	5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.24	4.5 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm			.4 MHz	30	260	8.2 mm		CMOS	.2 mA	5 V		Parallel IO Ports	.65 mm	R-PDSO-G24	2	Not Qualified	e4	16
TCA9554ADWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8		SMALL OUTLINE		1.65 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm			.4 MHz	30	260	10.3 mm		CMOS		1.8 V			1.27 mm	R-PDSO-G16	1		e4	8
TCA9554ADWT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8		SMALL OUTLINE		1.65 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	2.65 mm	7.5 mm			.4 MHz	30	260	10.3 mm		CMOS		1.8 V			1.27 mm	R-PDSO-G16	1		e4	8
PCA9539DWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		4	16	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	2.65 mm	7.5 mm			.4 MHz	NOT SPECIFIED	260	15.4 mm		CMOS	.2 mA	3 V		Parallel IO Port	1.27 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9555DWT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel		-40 Cel		DUAL	2	2.65 mm	7.5 mm			.4 MHz			15.4 mm		CMOS	.2 mA	3 V		Parallel IO Ports	1.27 mm	R-PDSO-G24		Not Qualified		16
PCF8574ATS/F3,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V					SMALL OUTLINE, LOW PROFILE, SHRINK PITCH		2.5 V	85 Cel		-40 Cel		DUAL	1	1.5 mm	4.4 mm						6.5 mm		CMOS		5 V			.65 mm	R-PDSO-G20				8
PCA9538PWG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		4	8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm			.4 MHz	30	260	5 mm		CMOS	.175 mA	2.5 V		Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9539DBQRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.24	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.75 mm	3.9 mm				30	260	8.65 mm		CMOS		3 V		Parallel IO Port	.635 mm	R-PDSO-G24	2	Not Qualified	e4	16
PCA9557DGVR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25,16	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	3.6 mm			.4 MHz	30	260	4.4 mm		CMOS	.025 mA	2.5 V		Parallel IO Ports	.4 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCF8575CDBE4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16	5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	4.5 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm			.4 MHz	30	260	8.2 mm		CMOS	.2 mA	5 V		Parallel IO Ports	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA8574PW,112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.1 mm	4.4 mm				30	260	5 mm		CMOS		3 V		Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9539DGVR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		4	16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25,16	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	1.2 mm	4.4 mm			.4 MHz	NOT SPECIFIED	260	5 mm		CMOS	.2 mA	3 V		Parallel IO Port	.4 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9554DB,112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.3	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	2 mm	5.3 mm				30	260	6.2 mm		CMOS		3 V		Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCA9674AD,518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.3/5.5	SMALL OUTLINE	SOP16,.4	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	2.65 mm	7.5 mm				30	260	10.3 mm		CMOS		3 V		Parallel IO Ports	1.27 mm	R-PDSO-G16	2	Not Qualified	e4	8
TCA9538PWR	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		4	8		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		1.65 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm			.4 MHz	30	260	5 mm		CMOS	.03 mA	1.8 V			.65 mm	R-PDSO-G16	1		e4	8
PCA8575DK,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, SHRINK PITCH		2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.73 mm	3.9 mm						8.7 mm		CMOS					.635 mm	R-PDSO-G24	1	Not Qualified	e4	18
PCA9539DW	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		4	16	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	2.65 mm	7.5 mm			.4 MHz	NOT SPECIFIED	260	15.4 mm		CMOS	.2 mA	3 V		Parallel IO Port	1.27 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9555D	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	2.65 mm	7.5 mm				30	260	15.4 mm		CMOS		3 V		Parallel IO Port	1.27 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9672PW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm				30	260	5 mm		CMOS		3 V		Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
MCP23S09-E/P	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V	TS 16949		8	2/5	IN-LINE	DIP18,.3	1.8 V	125 Cel		-40 Cel	MATTE TIN	DUAL	1	5.334 mm	7.62 mm			10 MHz			22.86 mm		CMOS	1 mA	5 V		Parallel IO Port	2.54 mm	R-PDIP-T18		Not Qualified	e3	8
PCA9506DGG	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	56	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			40	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP56,.3,20	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.2 mm	6.1 mm				30	260	14 mm		CMOS		3.3 V		Parallel IO Port	.5 mm	R-PDSO-G56	3	Not Qualified	e4	8
PCA9535DWRG4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2.65 mm	7.5 mm				30	260	15.4 mm		CMOS		3 V		Parallel IO Ports	1.27 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCF8575DBRE4	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		8	16	3/5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.3	2.5 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	2	2 mm	5.3 mm			.4 MHz	NOT SPECIFIED	260	8.2 mm		CMOS	.2 mA	3.3 V		Parallel IO Ports	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
CP82C55A-5	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V				5	IN-LINE	DIP40,.6	4.5 V	70 Cel		0 Cel	TIN LEAD	DUAL	3	6.35 mm	15.24 mm						51.75 mm		CMOS	5 mA	5 V		Parallel IO Port	2.54 mm	R-PDIP-T40		Not Qualified	e0	24
MIC74YQS-TR	Microchip Technology	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V			8		SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	2.7 V	85 Cel		-40 Cel	MATTE TIN	DUAL	1	1.75 mm	3.9116 mm						4.9 mm		CMOS	.006 mA	3.3 V			.635 mm	R-PDSO-G16		Not Qualified	e3	8
PCA8574TS,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	20	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	2.5/5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP20,.25	2.3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.5 mm	4.4 mm				30	260	6.5 mm		CMOS		3 V		Parallel IO Ports	.65 mm	R-PDSO-G20	1	Not Qualified	e4	8
PCA9538PW/Q900	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2.3 V	85 Cel		-40 Cel		DUAL	1	1.1 mm	4.4 mm						5 mm		CMOS		3 V			.65 mm	R-PDSO-G16				8
PCA9539PW,512	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.1 mm	4.4 mm						7.8 mm		CMOS		3 V			.65 mm	R-PDSO-G24			e4	16
PCA9539PW,518	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V					SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2.3 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.1 mm	4.4 mm						7.8 mm		CMOS		3 V			.65 mm	R-PDSO-G24			e4	16
PCA9539PWT	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	2.3 V	85 Cel		-40 Cel		DUAL	2	1.2 mm	4.4 mm						7.8 mm		CMOS		3 V		Parallel IO Port	.65 mm	R-PDSO-G24		Not Qualified		16
PCA9539PW-T	NXP Semiconductors		INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			16	2.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	2.3 V	85 Cel		-40 Cel	MATTE TIN	DUAL	2	1.1 mm	4.4 mm						7.8 mm		CMOS		3 V		Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e3	16
PCA9556PW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			8	3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	3 V	85 Cel		-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	1.1 mm	4.4 mm	CAN ALSO OPERATE AT 5V SUPPLY			30	260	5 mm		CMOS		3.3 V		Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e4	8
PCAL9535APW,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES				16	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25		85 Cel		-40 Cel		DUAL							30	260			CMOS				Parallel IO Port	.635 mm	R-PDSO-G24	1	Not Qualified
PCF8574AP	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	6 V			8	3/5	IN-LINE	DIP16,.3	2.5 V	85 Cel		-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	4.7 mm	7.62 mm		1	.1 MHz			21.6 mm		CMOS	.1 mA	5 V		Parallel IO Port	2.54 mm	R-PDIP-T16		Not Qualified	e4	8

Parallel I/O Ports

Parallel I/O (Input/Output) ports are a type of interface that allows a microcontroller or microprocessor to communicate with other devices in a parallel fashion. This means that multiple bits of data can be transmitted or received simultaneously, as opposed to serial communication which transmits or receives data one bit at a time.

Parallel I/O ports are commonly found in a wide range of electronic devices, including computers, printers, and industrial control systems. They typically consist of a number of input and output lines, with each line representing a single bit of data. The number of lines can vary depending on the specific device, with some systems having only a few lines while others may have dozens or even hundreds.

One of the advantages of parallel I/O ports is their ability to transfer large amounts of data quickly and efficiently. This makes them particularly useful in applications where real-time data acquisition or high-speed communication is required. For example, parallel ports are commonly used in printers and other peripherals to transfer large amounts of data quickly.

However, one of the limitations of parallel I/O ports is that they require a large number of pins on the microcontroller or microprocessor to accommodate all of the data lines. This can make them difficult to implement in systems with limited space or where a large number of I/O lines are required. In addition, parallel I/O ports can be more susceptible to noise and interference compared to serial communication, which can affect data integrity and transmission speeds.