24 Parallel I/O Ports 680

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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	No. of Bits	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Minimum Supply Voltage	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	No. of Ports	Maximum Seated Height	Width	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	Sub-Category	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	JESD-609 Code	No. of I/O Lines
935272004118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	2	1 mm	4 mm					4 mm		CMOS		3 V		.5 mm	S-PQCC-N24	1	Not Qualified	e4	16
935283502112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm					15.4 mm		CMOS				1.27 mm	R-PDSO-G24				18
935276552112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE, SHRINK PITCH		2.5 V	85 Cel	-40 Cel		DUAL	2	2 mm	5.3 mm					8.2 mm		CMOS		2.7 V		.65 mm	R-PDSO-G24				16
935273945112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	2	2.65 mm	7.5 mm					15.4 mm		CMOS		3 V		1.27 mm	R-PDSO-G24				16
935283558118	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		DUAL	1	1.1 mm	4.4 mm					7.8 mm		CMOS				.65 mm	R-PDSO-G24				18
935277297118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	2	2.65 mm	7.5 mm					15.4 mm		CMOS		3 V		1.27 mm	R-PDSO-G24				16
935278677118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE, SHRINK PITCH		4.5 V	85 Cel	-40 Cel		DUAL	2	2 mm	5.3 mm					8.2 mm		CMOS		5 V		.65 mm	R-PDSO-G24				16
935276425118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	2	2.65 mm	7.5 mm					15.4 mm		CMOS		3 V		1.27 mm	R-PDSO-G24				16
935273946118	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		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		3 V		.65 mm	R-PDSO-G24				16
935283504118	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		DUAL	1	1.73 mm	3.9 mm					8.7 mm		CMOS				.635 mm	R-PDSO-G24				18
935283553118	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		DUAL	1	1.73 mm	3.9 mm					8.7 mm		CMOS		3 V		.635 mm	R-PDSO-G24				16
935276552118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE, SHRINK PITCH		2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	2 mm	5.3 mm			30	260	8.2 mm		CMOS		2.7 V		.65 mm	R-PDSO-G24	1		e4	16
5962-8757601XX	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	24	DIP	RECTANGULAR	UNSPECIFIED	NO	5.5 V	MIL-STD-883			IN-LINE		4.5 V	125 Cel	-55 Cel		DUAL	1									CMOS		5 V			R-XDIP-T24		Not Qualified		8
935277296128	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel		QUAD	2	1 mm	4 mm					4 mm		CMOS		3 V		.5 mm	S-PQCC-N24				16
8X372/BXA	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	24		RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V				IN-LINE		4.5 V	125 Cel	-55 Cel		DUAL	1									CMOS		5 V			R-CDIP-T24				8
935280668118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	1	2.65 mm	7.5 mm					15.4 mm		CMOS				1.27 mm	R-PDSO-G24				18
935276768112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V				IN-LINE		2.3 V	85 Cel	-40 Cel		DUAL	2	5.1 mm	15.24 mm					31.7 mm		CMOS		3 V		2.54 mm	R-PDIP-T24				16
935286604118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel		QUAD	2	1 mm	4 mm					4 mm		CMOS		3 V		.5 mm	S-PQCC-N24				16
935299387118	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		1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.1 mm	4.4 mm			30	260	7.8 mm		CMOS		1.8 V		.65 mm	R-PDSO-G24	1		e4	8
935293467118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		1.65 V	85 Cel	-40 Cel		QUAD	2	.8 mm	4 mm					4 mm		CMOS		1.8 V		.5 mm	S-PQCC-N24				16
935298086118	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		1.65 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		1.8 V		.65 mm	R-PDSO-G24				16
935286604115	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel		QUAD	2	1 mm	4 mm					4 mm		CMOS		3 V		.5 mm	S-PQCC-N24				16
935284458118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel		QUAD	2	.8 mm	4 mm					4 mm		CMOS		3 V		.5 mm	S-PQCC-N24				16
935284457118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	2	.8 mm	4 mm			30	260	4 mm		CMOS		3 V		.5 mm	S-PQCC-N24	1		e4	16
935285271112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	2	2.65 mm	7.5 mm					15.4 mm		CMOS		3 V		1.27 mm	R-PDSO-G24				16
935298582118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	BALL	24	VFBGA	SQUARE	PLASTIC/EPOXY	YES	5.5 V				GRID ARRAY, VERY THIN PROFILE, FINE PITCH		1.65 V	85 Cel	-40 Cel	TIN SILVER COPPER	BOTTOM	2	1 mm	3 mm			30	260	3 mm		CMOS		1.8 V		.5 mm	S-PBGA-B24	1		e1	16
935286605118	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		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		3 V		.65 mm	R-PDSO-G24				16
935298096128	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		1.65 V	85 Cel	-40 Cel		QUAD	2	.8 mm	4 mm					4 mm		CMOS		1.8 V		.5 mm	S-PQCC-N24				16
935286416118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE		NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	3.6 V		16		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	1.1 V	105 Cel	-40 Cel		QUAD	2	.8 mm	4 mm	0	.4 MHz			4 mm	0	CMOS	.2 mA	2.3 V		.5 mm	S-PQCC-N24				16
935286413118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE		GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V		16		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.1 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm	0	.4 MHz			7.8 mm	0	CMOS	.2 mA	2.3 V		.65 mm	R-PDSO-G24				16
935296863118	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		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		3 V		.65 mm	R-PDSO-G24				16
935298087128	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	2	.8 mm	4 mm			30	260	4 mm		CMOS		1.8 V		.5 mm	S-PQCC-N24	1		e4	16
935286605112	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		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		3 V		.65 mm	R-PDSO-G24				16
935285273118	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		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		3 V		.65 mm	R-PDSO-G24				16
935298087118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		1.65 V	85 Cel	-40 Cel		QUAD	2	.8 mm	4 mm					4 mm		CMOS		1.8 V		.5 mm	S-PQCC-N24				16
935298098118	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		1.65 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		1.8 V		.65 mm	R-PDSO-G24				16
935293508118	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		1.65 V	85 Cel	-40 Cel		DUAL	2	1.1 mm	4.4 mm					7.8 mm		CMOS		1.8 V		.65 mm	R-PDSO-G24				16
935296024118	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		1.65 V	85 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm					7.8 mm		CMOS		1.8 V		.65 mm	R-PDSO-G24				8
935293467128	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		1.65 V	85 Cel	-40 Cel		QUAD	2	.8 mm	4 mm					4 mm		CMOS		1.8 V		.5 mm	S-PQCC-N24				16
935285272118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.3 V	85 Cel	-40 Cel		QUAD	2	.8 mm	4 mm					4 mm		CMOS		3 V		.5 mm	S-PQCC-N24				16
935298095118	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		1.65 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2	1.1 mm	4.4 mm			30	260	7.8 mm		CMOS		1.8 V		.65 mm	R-PDSO-G24	1		e4	16
935285271118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V				SMALL OUTLINE		2.3 V	85 Cel	-40 Cel		DUAL	2	2.65 mm	7.5 mm					15.4 mm		CMOS		3 V		1.27 mm	R-PDSO-G24				16
935298093128	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V				CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		1.65 V	85 Cel	-40 Cel		QUAD	2	.8 mm	4 mm					4 mm		CMOS		1.8 V		.5 mm	S-PQCC-N24				16
PCA9673D	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	1	2.65 mm	7.5 mm			30	260	15.4 mm		CMOS			Parallel IO Port	1.27 mm	R-PDSO-G24	1	Not Qualified	e4	18
PCA9555HF,118	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		16	2.5/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	2	.8 mm	4 mm			30	260	4 mm		CMOS		3 V	Parallel IO Port	.5 mm	S-PQCC-N24	1	Not Qualified	e4	16
PCA9671DB,112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	2.3/5.5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.24	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	2 mm	5.3 mm			30	260	8.2 mm		CMOS		3 V	Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9671D,112	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	2.3/5.5	SMALL OUTLINE	SOP24,.4	2.3 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1	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
PCA9671BS	NXP Semiconductors	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		16	2.3/5.5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	2.3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1	1 mm	4 mm			30	260	4 mm		CMOS		3 V	Parallel IO Port	.5 mm	S-PQCC-N24	1	Not Qualified	e4	16

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.