COMMERCIAL Parallel I/O Ports 1,956

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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	CPU Family	Minimum Operating Temperature	Terminal Finish	Ultraviolet Erasable	Terminal Position	No. of Ports	Maximum Seated Height	Width	Additional Features	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	ROM Bits Size	No. of Timers	Technology	Maximum Supply Current	Nominal Supply Voltage	Memory Organization	Sub-Category	Terminal Pitch	JESD-30 Code	Qualification	JESD-609 Code	Maximum Standby Current	No. of I/O Lines	Maximum Access Time
SN74LS612N	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO			5	IN-LINE	DIP40,.6		70 Cel		0 Cel			DUAL	1	5.08 mm	15.24 mm		NOT SPECIFIED	NOT SPECIFIED	52.455 mm			TTL		5 V		Other Microprocessor ICs	2.54 mm	R-PDIP-T40	Not Qualified			12
NSC810AN-1	Texas Instruments		COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		16	5	IN-LINE	DIP40,.6		70 Cel	NSC800	0 Cel			DUAL	3								2	CMOS	10 mA	5 V	128X8	Parallel IO Port	2.54 mm	R-PDIP-T40	Not Qualified
SN74S412N1	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		8		IN-LINE	DIP24,.6		70 Cel		0 Cel			DUAL					NOT SPECIFIED	NOT SPECIFIED				CMOS				Parallel IO Port	2.54 mm	R-PDIP-T24	Not Qualified
SN74S412FN3	Texas Instruments		COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES		8		CHIP CARRIER	LDCC28,.5SQ		70 Cel		0 Cel			QUAD					NOT SPECIFIED	NOT SPECIFIED				CMOS				Parallel IO Port	1.27 mm	S-PQCC-J28
SN74S412D	Texas Instruments		COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		8		SMALL OUTLINE	SOP24,.4		70 Cel		0 Cel			DUAL					NOT SPECIFIED	NOT SPECIFIED				CMOS				Parallel IO Port	1.27 mm	R-PDSO-G24	Not Qualified
NSC810AD-1	Texas Instruments		COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO		16	5	IN-LINE	DIP40,.6		70 Cel	NSC800	0 Cel			DUAL	3								2	CMOS	10 mA	5 V	128X8	Parallel IO Port	2.54 mm	R-XDIP-T40	Not Qualified
SN74LS611JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V			IN-LINE	DIP40,.6	4.75 V	70 Cel		0 Cel			DUAL	1				NOT SPECIFIED	NOT SPECIFIED				CMOS		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40	Not Qualified			12
SN74S412J4	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC	NO		8		IN-LINE	DIP24,.6		70 Cel		0 Cel			DUAL					NOT SPECIFIED	NOT SPECIFIED				CMOS				Parallel IO Port	2.54 mm	R-XDIP-T24
SN74S412N	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		8		IN-LINE	DIP24,.6		70 Cel		0 Cel			DUAL					NOT SPECIFIED	NOT SPECIFIED				CMOS				Parallel IO Port	2.54 mm	R-PDIP-T24	Not Qualified
TIM8212N	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		8		IN-LINE	DIP24,.6		70 Cel		0 Cel			DUAL										BIPOLAR				Parallel IO Port	2.54 mm	R-PDIP-T24	Not Qualified
SN74S412D3	Texas Instruments		COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		8		SMALL OUTLINE	SOP24,.4		70 Cel		0 Cel			DUAL					NOT SPECIFIED	NOT SPECIFIED				CMOS				Parallel IO Port	1.27 mm	R-PDSO-G24
SN74LS613FN	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.25 V			CHIP CARRIER	LDCC(UNSPEC)	4.75 V	70 Cel		0 Cel			QUAD	1	4.57 mm	16.5862 mm		NOT SPECIFIED	NOT SPECIFIED	16.5862 mm			TTL		5 V		Other Microprocessor ICs	1.27 mm	S-PQCC-J44	Not Qualified			12
SN74LS610FN	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.25 V			CHIP CARRIER	LDCC(UNSPEC)	4.75 V	70 Cel		0 Cel			QUAD	1	4.57 mm	16.5862 mm		NOT SPECIFIED	NOT SPECIFIED	16.5862 mm			TTL		5 V		Other Microprocessor ICs	1.27 mm	S-PQCC-J44	Not Qualified			12
SN74S412JP4	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC	NO		8		IN-LINE	DIP24,.6		70 Cel		0 Cel			DUAL					NOT SPECIFIED	NOT SPECIFIED				CMOS				Parallel IO Port	2.54 mm	R-XDIP-T24
SN74LS613N	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.25 V			IN-LINE	DIP40,.6	4.75 V	70 Cel		0 Cel			DUAL	1	5.08 mm	15.24 mm		NOT SPECIFIED	NOT SPECIFIED	52.455 mm			CMOS		5 V		Other Microprocessor ICs	2.54 mm	R-PDIP-T40	Not Qualified			12
SBP9960CJ	Texas Instruments		COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC	NO		1		IN-LINE	DIP28,.6		70 Cel		0 Cel			DUAL										BIPOLAR				Parallel IO Port	2.54 mm	R-XDIP-T28	Not Qualified
SN74LS611N	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.25 V			IN-LINE	DIP40,.6	4.75 V	70 Cel		0 Cel			DUAL	1	5.08 mm	15.24 mm		NOT SPECIFIED	NOT SPECIFIED	52.455 mm			CMOS		5 V		Other Microprocessor ICs	2.54 mm	R-PDIP-T40	Not Qualified			12
SN74S412NP3	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		8		IN-LINE	DIP24,.6		70 Cel		0 Cel			DUAL					NOT SPECIFIED	NOT SPECIFIED				CMOS				Parallel IO Port	2.54 mm	R-PDIP-T24
TIM8212J	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC	NO		8		IN-LINE	DIP24,.6		70 Cel		0 Cel			DUAL										BIPOLAR				Parallel IO Port	2.54 mm	R-XDIP-T24	Not Qualified
DS1206	Analog Devices		COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				IN-LINE	DIP14,.3		70 Cel		0 Cel	TIN LEAD		DUAL										CMOS				Parallel IO Port	2.54 mm	R-PDIP-T14	Not Qualified	e0
DS1206S	Analog Devices		COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES				SMALL OUTLINE	SOP16,.4		70 Cel		0 Cel	TIN LEAD		DUAL										CMOS				Parallel IO Port	1.27 mm	R-PDSO-G16	Not Qualified	e0
LA79200V	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	16	LSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	8	5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SSOP16,.25	4.5 V	65 Cel		-10 Cel			DUAL	1	1.5 mm	4.4 mm				5.2 mm			CMOS		5 V		Parallel IO Port	.65 mm	R-PDSO-G16	Not Qualified			8
PSD413A1-C-15J	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	CHIP CARRIER	LDCC68,1.0SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	N	QUAD	5	4.57 mm	24.18 mm				24.18 mm	1048576 Bits		CMOS		5 V		Other Microprocessor ICs	1.27 mm	S-PQCC-J68	Not Qualified	e0	.00004 Amp	40	.00000015 ns
ZPSD402A1-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE	QFP80,.64SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	N	QUAD	5	1.6 mm	14 mm	GENERAL PURPOSE ZPLD			14 mm	512 Bits		CMOS		5 V		Other Microprocessor ICs	.65 mm	S-PQFP-G80	Not Qualified	e0	.00002 Amp	40	.00000009 ns
PSD813F2A-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	64	LQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE	TQFP64,.63SQ,32	4.5 V	70 Cel		0 Cel		N	QUAD	4	1.54 mm	14 mm				14 mm	1310720 Bits		CMOS		5 V		Other uPs/uCs/Peripheral ICs	.8 mm	S-PQFP-G64	Not Qualified		.0002 Amp	27	.00000009 ns
PSD402A1-C-70L	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	68	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V		5	CHIP CARRIER, WINDOW	LDCC68,1.0SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	Y	QUAD	5	4.57 mm	24.105 mm				24.105 mm	524288 Bits		CMOS		5 V		Other Microprocessor ICs	1.27 mm	S-CQCC-J68	Not Qualified	e0	.00004 Amp	40	.00000007 ns
ZPSD312V-25M	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V			FLATPACK		2.7 V	70 Cel		0 Cel	TIN		QUAD	3	2.35 mm	10 mm				10 mm			CMOS		3 V			.8 mm	S-PQFP-G44	Not Qualified	e3		19
PSD813F1V70UT	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	64	LQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V			FLATPACK, LOW PROFILE		3 V	70 Cel		0 Cel			QUAD	4	1.54 mm	14 mm				14 mm			CMOS		3.3 V			.8 mm	S-PQFP-G64	Not Qualified			27
ZPSD303R-70J	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V			CHIP CARRIER		4.5 V	70 Cel		0 Cel	Matte Tin (Sn)		QUAD	3	4.57 mm	16.5862 mm				16.5862 mm			CMOS		5 V			1.27 mm	S-PQCC-J44	Not Qualified	e3		19
M8913F1Y-90T1	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	52	QFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V			FLATPACK		4.5 V	70 Cel		0 Cel			QUAD	4	2.45 mm	10 mm				10 mm			CMOS		5 V			.65 mm	S-PQFP-G52	Not Qualified			27
PSD834F2V-12J	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	52	QCCJ	SQUARE	PLASTIC/EPOXY	YES	3.6 V		3.3	CHIP CARRIER	LDCC52,.8SQ	3 V	70 Cel		0 Cel	MATTE TIN	N	QUAD	4	4.57 mm	19.1 mm				19.1 mm	2359296 Bits		CMOS		3.3 V		Other Microprocessor ICs	1.27 mm	S-PQCC-J52	Not Qualified	e3	.0001 Amp	27	.00000012 ns
ZPSD302V-B-20M	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	44	QFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		3	FLATPACK	QFP44,.5SQ,32	2.7 V	70 Cel		0 Cel	NICKEL PALLADIUM GOLD	N	QUAD	3	2.35 mm	10 mm				10 mm	524288 Bits		CMOS		3 V		Other Microprocessor ICs	.8 mm	S-PQFP-G44	Not Qualified	e4	.000005 Amp	19	.0000002 ns
ZPSD413A1-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE	QFP80,.64SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	N	QUAD	5	1.6 mm	14 mm	GENERAL PURPOSE ZPLD			14 mm	1024 Bits		CMOS		5 V		Other Microprocessor ICs	.65 mm	S-PQFP-G80	Not Qualified	e0	.00002 Amp	40	.00000009 ns
PSD411A2-C-15J	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	CHIP CARRIER	LDCC68,1.0SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	N	QUAD	5	4.57 mm	24.18 mm				24.18 mm	262144 Bits		CMOS		5 V		Other Microprocessor ICs	1.27 mm	S-PQCC-J68	Not Qualified	e0	.00004 Amp	40	.00000015 ns
ZPSD411A2-C-70U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE	QFP80,.64SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	N	QUAD	5	1.6 mm	14 mm				14 mm	262144 Bits		CMOS		5 V		Other Microprocessor ICs	.65 mm	S-PQFP-G80	Not Qualified	e0	.00002 Amp	40	.00000007 ns
PSD4235G2-90UT	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	LFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE, FINE PITCH	TQFP80,.55SQ	4.5 V	70 Cel		0 Cel	MATTE TIN/NICKEL PALLADIUM GOLD	N	QUAD	7	1.6 mm	12 mm		NOT SPECIFIED	260	12 mm	4456448 Bits		CMOS		5 V		Other Microprocessor ICs	.5 mm	S-PQFP-G80	Not Qualified	e3/e4	.0002 Amp	52	.00000009 ns
PSD402A1-15U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE	QFP80,.64SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	N	QUAD	5	1.6 mm	14 mm	GENERAL PURPOSE ZPLD			14 mm	512 Bits		CMOS		5 V		Other Microprocessor ICs	.65 mm	S-PQFP-G80	Not Qualified	e0	.00002 Amp	40	.00000015 ns
PSD412A0-70L	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	68	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V			CHIP CARRIER, WINDOW		4.5 V	70 Cel		0 Cel			QUAD	5	4.57 mm	24.105 mm				24.105 mm			CMOS		5 V			1.27 mm	S-CQCC-J68	Not Qualified			40
PSD853F2V-20UT	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	64	LQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		3.3	FLATPACK, LOW PROFILE	QFP64,.6SQ,32	3 V	70 Cel		0 Cel	TIN	N	QUAD	4	1.54 mm	14 mm				14 mm	1310720 Bits		CMOS		3.3 V		Other Microprocessor ICs	.8 mm	S-PQFP-G64	Not Qualified	e3	.0002 Amp	27	.0000002 ns
PSD813F3-A-90J	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	52	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V			CHIP CARRIER		4.5 V	70 Cel		0 Cel			QUAD	4	4.57 mm	19.1262 mm				19.1262 mm			CMOS		5 V			1.27 mm	S-PQCC-J52	Not Qualified			27
ZPSD403A2-C-70U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE	QFP80,.64SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	N	QUAD	5	1.6 mm	14 mm				14 mm	1048576 Bits		CMOS		5 V		Other Microprocessor ICs	.65 mm	S-PQFP-G80	Not Qualified	e0	.00002 Amp	40	.00000007 ns
PSD853F2VA-90JT	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	52	QCCJ	SQUARE	PLASTIC/EPOXY	YES	3.6 V			CHIP CARRIER		3 V	70 Cel		0 Cel			QUAD	4	4.57 mm	19.1 mm				19.1 mm			CMOS		3.3 V			1.27 mm	S-PQCC-J52	Not Qualified			27
PSD813F4VA-15UT	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	64	LQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		3.3	FLATPACK, LOW PROFILE	QFP64,.63SQ,32	3 V	70 Cel		0 Cel		N	QUAD	4	1.54 mm	14 mm		NOT SPECIFIED	NOT SPECIFIED	14 mm	1310720 Bits		CMOS		3.3 V		Other Microprocessor ICs	.8 mm	S-PQFP-G64	Not Qualified		.0001 Amp	27	.00000015 ns
ZPSD411A1-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	LQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE	QFP80,.64SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	N	QUAD	5	1.6 mm	14 mm	GENERAL PURPOSE ZPLD			14 mm	256 Bits		CMOS		5 V		Other Microprocessor ICs	.65 mm	S-PQFP-G80	Not Qualified	e0	.00002 Amp	40	.00000012 ns
PSD401A2-C-15L	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	68	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V		5	CHIP CARRIER, WINDOW	LDCC68,1.0SQ	4.5 V	70 Cel		0 Cel	TIN LEAD	Y	QUAD	5	4.57 mm	24.105 mm				24.105 mm	262144 Bits		CMOS		5 V		Other Microprocessor ICs	1.27 mm	S-CQCC-J68	Not Qualified	e0	.00004 Amp	40	.00000015 ns
PSD813F1A-90J1T	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	52	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V			CHIP CARRIER		4.5 V	70 Cel		0 Cel			QUAD	4	4.57 mm	19.1 mm				19.1 mm			CMOS		5 V			1.27 mm	S-PQCC-J52				27
ZPSD311V-B-15L	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V		3	CHIP CARRIER, WINDOW	LDCC44,.7SQ	2.7 V	70 Cel		0 Cel	TIN LEAD	Y	QUAD	3	4.57 mm	16.485 mm				16.485 mm	262144 Bits		CMOS		3 V		Other Microprocessor ICs	1.27 mm	S-CQCC-J44	Not Qualified	e0	.000005 Amp	19	.00000015 ns
ZPSD303-B-15U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	44	LQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		5	FLATPACK, LOW PROFILE	QFP44,.63SQ,40	4.5 V	70 Cel		0 Cel	NICKEL PALLADIUM GOLD	N	QUAD	3	1.6 mm	14 mm				14 mm	1048576 Bits		CMOS		5 V		Other Microprocessor ICs	1 mm	S-PQFP-G44	Not Qualified	e4	.00002 Amp	19	.00000015 ns

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.