16 Parallel I/O Ports 714

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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	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	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Technology	Nominal Supply Voltage	Sub-Category	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	JESD-609 Code	No. of I/O Lines
MAX1609EEE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	HSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH		2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	0	1.75 mm	3.9 mm	20	240	4.9 mm	CMOS	5 V		.635 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX1608EEE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	HSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH		2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	0	1.73 mm	3.9 mm		245	4.89 mm	CMOS	5 V		.635 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX1609EEE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	HSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V			SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH		2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	0	1.75 mm	3.9 mm			4.9 mm	CMOS	5 V		.635 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7322AEE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES			2/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25		125 Cel	-40 Cel	TIN LEAD	DUAL	8	1.75 mm	3.9 mm			4.89 mm	CMOS		Parallel IO Port	.635 mm	R-PDSO-G16		Not Qualified	e0	4
MAX7316AEE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	8	2.5/3.3	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	2 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.9 mm	BICMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7323AEE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	1.8/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	1.71 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.89 mm	CMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16	1	Not Qualified	e0	4
MAX7316AEE+	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V			SMALL OUTLINE, SHRINK PITCH		2 V	125 Cel	-40 Cel	MATTE TIN	DUAL	1	1.75 mm	3.9 mm	30	260	4.9 mm	BICMOS	3.3 V		.635 mm	R-PDSO-G16	1	Not Qualified	e3	8
MAX7316ATE+	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	QCCN	RECTANGULAR	UNSPECIFIED	YES	3.6 V			CHIP CARRIER		2 V	125 Cel	-40 Cel	MATTE TIN	QUAD	1	1.73 mm	3.9 mm	30	260	4.89 mm	BICMOS	3.3 V		.635 mm	R-XQCC-N16	1	Not Qualified	e3	8
MAX7315ATE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V	8	2.5/3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	2 V	125 Cel	-40 Cel	TIN LEAD	QUAD	1	.8 mm	3 mm			3 mm	BICMOS	3.3 V	Parallel IO Port	.5 mm	S-XQCC-N16	1	Not Qualified	e0	8
MAX7310AEE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	2.3 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.9 mm	BICMOS	3.3 V	Parallel IO Ports	.635 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7316ATE+T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	QCCN	RECTANGULAR	UNSPECIFIED	YES	3.6 V			CHIP CARRIER		2 V	125 Cel	-40 Cel	MATTE TIN	QUAD	1	1.73 mm	3.9 mm	30	260	4.89 mm	BICMOS	3.3 V		.635 mm	R-XQCC-N16	1	Not Qualified	e3	8
MAX7328AWE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	3/5	SMALL OUTLINE	SOP16,.4	2.5 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	2.65 mm	7.5 mm			10.3 mm	BICMOS	5 V	Parallel IO Port	1.27 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7322ATE	Maxim Integrated		AUTOMOTIVE	NO LEAD	16	QCCN	SQUARE	PLASTIC/EPOXY	YES			2/5	CHIP CARRIER	LCC16,.12SQ,20		125 Cel	-40 Cel	Tin/Lead (Sn/Pb)	QUAD									Parallel IO Port	.5 mm	S-PQCC-N16		Not Qualified	e0
MAX7317ATE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	VQCCN	SQUARE	UNSPECIFIED	YES	3.6 V	1	2.5/3.3	CHIP CARRIER, VERY THIN PROFILE	LCC16,.12SQ,20	2.25 V	125 Cel	-40 Cel	TIN LEAD	QUAD	1	.8 mm	3 mm			3 mm	BICMOS	3.3 V	Parallel IO Ports	.5 mm	S-XQCC-N16	1	Not Qualified	e0	10
MAX7316ATE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	QCCN	RECTANGULAR	UNSPECIFIED	YES	3.6 V	8	2.5/3.3	CHIP CARRIER	LCC16,.12SQ,20	2 V	125 Cel	-40 Cel	TIN LEAD	QUAD	1	1.73 mm	3.9 mm			4.89 mm	BICMOS	3.3 V	Parallel IO Port	.635 mm	R-XQCC-N16	1	Not Qualified	e0	8
MAX7317ATE+TGH7	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.25 V	125 Cel	-40 Cel	MATTE TIN	QUAD	1	.8 mm	3 mm	30	260	3 mm	BICMOS	3.3 V		.5 mm	S-XQCC-N16	1		e3	10
MAX7321AEE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	1	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	1.71 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.89 mm	CMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16		Not Qualified	e0	8
MAX7310ATE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	VQCCN	SQUARE	UNSPECIFIED	YES	5.5 V	8	2.5/5	CHIP CARRIER, VERY THIN PROFILE	LCC16,.16SQ,25	2.3 V	125 Cel	-40 Cel	TIN LEAD	QUAD	1	.8 mm	4 mm		245	4 mm	BICMOS	3.3 V	Parallel IO Ports	.65 mm	S-XQCC-N16	1	Not Qualified	e0	8
MAX7315AUE-TG05	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V			SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2 V	125 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm	NOT SPECIFIED	NOT SPECIFIED	5 mm	BICMOS	3.3 V		.65 mm	R-PDSO-G16				8
MAX7323AEE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	1.8/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	1.71 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.89 mm	CMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16	1	Not Qualified	e0	4
MAX7329AWE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	3/5	SMALL OUTLINE	SOP16,.4	2.5 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	2.65 mm	7.5 mm			10.3 mm	BICMOS	5 V	Parallel IO Port	1.27 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7321AEE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	1	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	1.71 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.89 mm	CMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16		Not Qualified	e0	8
MAX7310AUE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	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	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.1 mm	4.4 mm			5 mm	BICMOS	3.3 V	Parallel IO Ports	.65 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7317ATE+GH7	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	3.6 V			CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE		2.25 V	125 Cel	-40 Cel		QUAD	1	.8 mm	3 mm			3 mm	BICMOS	3.3 V		.5 mm	S-XQCC-N16	1			10
MAX7328AWE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	3/5	SMALL OUTLINE	SOP16,.4	2.5 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	2.65 mm	7.5 mm			10.3 mm	BICMOS	5 V	Parallel IO Port	1.27 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7316AEE+T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V			SMALL OUTLINE, SHRINK PITCH		2 V	125 Cel	-40 Cel	MATTE TIN	DUAL	1	1.73 mm	3.9 mm	30	260	4.89 mm	BICMOS	3.3 V		.635 mm	R-PDSO-G16	1	Not Qualified	e3	8
MAX7316ATE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	QCCN	RECTANGULAR	UNSPECIFIED	YES	3.6 V			CHIP CARRIER		2 V	125 Cel	-40 Cel	TIN LEAD	QUAD	1	1.73 mm	3.9 mm	20	240	4.89 mm	BICMOS	3.3 V		.635 mm	R-XQCC-N16	1	Not Qualified	e0	8
MAX7315AUE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	8	2.5/3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25	2 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.1 mm	4.4 mm		245	5 mm	BICMOS	3.3 V	Parallel IO Port	.65 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7319AEE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	1	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	1.71 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.73 mm	3.9 mm			4.89 mm	BICMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16	1	Not Qualified	e0	0
MAX7323ATE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V	8	1.8/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	1.71 V	125 Cel	-40 Cel	TIN LEAD	QUAD	1	.8 mm	3 mm			3 mm	CMOS	3.3 V	Parallel IO Port	.5 mm	S-XQCC-N16	1	Not Qualified	e0	4
MAX7315AEE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	8	2.5/3.3	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	2 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.89 mm	BICMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7319AEE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	1	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	1.71 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.73 mm	3.9 mm			4.89 mm	BICMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16		Not Qualified	e0	0
MAX7315AUE-G05	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V			SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		2 V	125 Cel	-40 Cel		DUAL	1	1.1 mm	4.4 mm	NOT SPECIFIED	NOT SPECIFIED	5 mm	BICMOS	3.3 V		.65 mm	R-PDSO-G16				8
MAX7316AEE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	3.6 V	8	2.5/3.3	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	2 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.9 mm	BICMOS	3.3 V	Parallel IO Port	.635 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7310AEE-T	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	2.5/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	2.3 V	125 Cel	-40 Cel	TIN LEAD	DUAL	1	1.75 mm	3.9 mm			4.9 mm	BICMOS	3.3 V	Parallel IO Ports	.635 mm	R-PDSO-G16	1	Not Qualified	e0	8
MAX7320ATE	Maxim Integrated	PARALLEL IO PORT, GENERAL PURPOSE	AUTOMOTIVE	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	5.5 V	8	1.8/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	1.71 V	125 Cel	-40 Cel	TIN LEAD	QUAD	1	.8 mm	3 mm			3 mm	BICMOS	3.3 V	Parallel IO Port	.5 mm	S-XQCC-N16		Not Qualified	e0	8
M62320FP	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	OTHER	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	5	SMALL OUTLINE	SOP16,.3	4.5 V	85 Cel	-20 Cel		DUAL	1	2.1 mm	5.3 mm			10.1 mm	CMOS	5 V	Parallel IO Port	1.27 mm	R-PDSO-G16		Not Qualified		8
M62320P	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	OTHER	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V	8	5	IN-LINE	DIP16,.3	4.5 V	85 Cel	-20 Cel		DUAL	1	4.5 mm	7.62 mm			19 mm	CMOS	5 V	Parallel IO Port	2.54 mm	R-PDIP-T16		Not Qualified		8
R2A20150NP	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	OTHER	NO LEAD	16	QCCN	SQUARE	PLASTIC/EPOXY	YES		8	5	CHIP CARRIER	LCC16,.12SQ,20		85 Cel	-30 Cel		QUAD				NOT SPECIFIED	NOT SPECIFIED		CMOS	5 V	Parallel IO Port	.5 mm	S-PQCC-N16		Not Qualified
R8A66154SP	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	6 V	8	2.5/5	SMALL OUTLINE	SOP16,.25	2 V	85 Cel	-40 Cel		DUAL	1	1.75 mm	3.9 mm	NOT SPECIFIED	NOT SPECIFIED	9.9 mm	CMOS	3 V	Parallel IO Port	1.27 mm	R-PDSO-G16		Not Qualified		8
M62320GP	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	OTHER	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	3.3/5	SMALL OUTLINE, SHRINK PITCH	SSOP16,.25	4.5 V	85 Cel	-20 Cel		DUAL	1	1.9 mm	4.4 mm			5 mm	CMOS	5 V	Parallel IO Port	.65 mm	R-PDSO-G16		Not Qualified		8
R2A20150SA	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	OTHER	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES		8	5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP16,.25		85 Cel	-30 Cel		DUAL				NOT SPECIFIED	NOT SPECIFIED		CMOS	5 V	Parallel IO Port	.635 mm	R-PDSO-G16		Not Qualified

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.