MILITARY Parallel I/O Ports 98

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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	CPU Family	Minimum Operating Temperature	Terminal Finish	Terminal Position	No. of Ports	Maximum Seated Height	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
PCA9535EMTTXG	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		16	1.8/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	1.65 V	125 Cel		-55 Cel	MATTE TIN	QUAD	1	.8 mm	4 mm	1 MHz	30	260	4 mm		CMOS		3 V		Parallel IO Port	.5 mm	S-PQCC-N24	1	Not Qualified	e3	16
PCA9535EDTR2G	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	125 Cel		-55 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm	1 MHz	30	260	7.8 mm		CMOS		3 V		Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
NLVPCA9535EMTTXG	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V	AEC-Q100	16		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	1.65 V	125 Cel		-55 Cel	MATTE TIN	QUAD	1	.8 mm	4 mm	1 MHz	30	260	4 mm		CMOS		3 V			.5 mm	S-PQCC-N24	1		e3	16
PCA9535ECDTR2G	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	1.8/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	125 Cel		-55 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm	1 MHz	30	260	7.8 mm		CMOS		3 V		Parallel IO Port	.65 mm	R-PDSO-G24	1	Not Qualified	e4	16
PCA9535EDWR2G	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	1.8/5	SMALL OUTLINE	SOP24,.4	1.65 V	125 Cel		-55 Cel	MATTE TIN	DUAL	1	2.65 mm	7.5 mm	1 MHz	30	260	15.395 mm		CMOS		3 V		Parallel IO Port	1.27 mm	R-PDSO-G24	3	Not Qualified	e3	16
NLVPCA9535EDTR2G	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	GULL WING	24	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V	AEC-Q100	16		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP24,.25	1.65 V	125 Cel		-55 Cel	NICKEL PALLADIUM GOLD	DUAL	1	1.2 mm	4.4 mm	1 MHz	30	260	7.8 mm		CMOS		3 V			.65 mm	R-PDSO-G24	1		e4	16
PCA9535ECMTTXG	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		16	1.8/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	1.65 V	125 Cel		-55 Cel	MATTE TIN	QUAD	1	.8 mm	4 mm	1 MHz	30	260	4 mm		CMOS		3 V		Parallel IO Port	.5 mm	S-PQCC-N24	1	Not Qualified	e3	16
MD82C55A/B	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	5.5 V				IN-LINE		4.5 V	125 Cel		-55 Cel	TIN LEAD	DUAL	3	5.72 mm	15.24 mm						CMOS		5 V			2.54 mm	R-GDIP-T40		Not Qualified	e0	24
PCA9535ECDWR2G	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	1.8/5	SMALL OUTLINE	SOP24,.4	1.65 V	125 Cel		-55 Cel	MATTE TIN	DUAL	1	2.65 mm	7.5 mm	1 MHz	30	260	15.395 mm		CMOS		3 V		Parallel IO Port	1.27 mm	R-PDSO-G24	3	Not Qualified	e3	16
MD82C55A-5/B	Intersil	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	5.5 V	38535Q/M;38534H;883B		5	IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel	Tin/Lead (Sn/Pb)	DUAL	3	5.72 mm	15.24 mm						CMOS	5 mA	5 V		Parallel IO Port	2.54 mm	R-GDIP-T40		Not Qualified	e0	24
8406602QA	Renesas Electronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	5.5 V	MIL-STD-883			IN-LINE		4.5 V	125 Cel		-55 Cel	TIN LEAD	DUAL	3	5.72 mm	15.24 mm						CMOS		5 V			2.54 mm	R-GDIP-T40		Qualified	e0	24
SNJ54LS610JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V	38535Q/M;38534H;883B			IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel		DUAL	1				NOT SPECIFIED	NOT SPECIFIED			CMOS		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified		12
SN54LS612JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V			5	IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel		DUAL	1				NOT SPECIFIED	NOT SPECIFIED			CMOS		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified		12
SN54LS610FK	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER		4.5 V	125 Cel		-55 Cel		QUAD	1	2.03 mm	16.51 mm				16.51 mm		TTL		5 V			1.27 mm	S-CQCC-N44		Not Qualified		12
SNJ54LS613FK	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER		4.5 V	125 Cel		-55 Cel		QUAD	1	2.03 mm	16.51 mm				16.51 mm		TTL		5 V			1.27 mm	S-CQCC-N44		Not Qualified		12
NSC810AE/883	Texas Instruments		MILITARY	J BEND		QCCJ		CERAMIC	YES		38535Q/M;38534H;883B	16	5	CHIP CARRIER	LDCC(UNSPEC)		125 Cel	NSC800	-55 Cel		QUAD	3							2	CMOS	10 mA	5 V	128X8	Parallel IO Port				Not Qualified
SNJ54LS612JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V	38535Q/M;38534H;883B		5	IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel		DUAL	1				NOT SPECIFIED	NOT SPECIFIED			CMOS		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified		12
SBP9960MJ	Texas Instruments		MILITARY	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC	NO			1		IN-LINE	DIP28,.6		125 Cel		-55 Cel		DUAL									BIPOLAR				Parallel IO Port	2.54 mm	R-XDIP-T28		Not Qualified
SNJ54LS612FK	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER		4.5 V	125 Cel		-55 Cel		QUAD	1	2.03 mm	16.51 mm				16.51 mm		TTL		5 V			1.27 mm	S-CQCC-N44		Not Qualified		12
NSC810AD-4/883	Texas Instruments		MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO		38535Q/M;38534H;883B	16	5	IN-LINE	DIP40,.6		125 Cel	NSC800	-55 Cel		DUAL	3							2	CMOS	10 mA	5 V	128X8	Parallel IO Port	2.54 mm	R-XDIP-T40		Not Qualified
SNJ54LS613JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V	38535Q/M;38534H;883B			IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel		DUAL	1				NOT SPECIFIED	NOT SPECIFIED			TTL		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified		12
SN54LS612FK	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER		4.5 V	125 Cel		-55 Cel		QUAD	1	2.03 mm	16.51 mm				16.51 mm		TTL		5 V			1.27 mm	S-CQCC-N44		Not Qualified		12
SNC54S412J	Texas Instruments		MILITARY	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC	NO		MIL-STD-883 Class B (Modified)	8		IN-LINE	DIP24,.6		125 Cel		-55 Cel		DUAL					NOT SPECIFIED	NOT SPECIFIED			CMOS				Parallel IO Port	2.54 mm	R-XDIP-T24		Not Qualified
SN54LS611FK	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER		4.5 V	125 Cel		-55 Cel		QUAD	1	2.03 mm	16.51 mm				16.51 mm		TTL		5 V			1.27 mm	S-CQCC-N44		Not Qualified		12
SNJ54LS611JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V	38535Q/M;38534H;883B			IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel		DUAL	1				NOT SPECIFIED	NOT SPECIFIED			TTL		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified		12
SNJ54LS611FK	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER		4.5 V	125 Cel		-55 Cel		QUAD	1	2.03 mm	16.51 mm				16.51 mm		TTL		5 V			1.27 mm	S-CQCC-N44		Not Qualified		12
SN54LS613JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V				IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel		DUAL	1				NOT SPECIFIED	NOT SPECIFIED			TTL		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified		12
SNJ54LS610FK	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER		4.5 V	125 Cel		-55 Cel		QUAD	1	2.03 mm	16.51 mm				16.51 mm		TTL		5 V			1.27 mm	S-CQCC-N44		Not Qualified		12
NSC810AD/883	Texas Instruments		MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO		38535Q/M;38534H;883B	16	5	IN-LINE	DIP40,.6		125 Cel	NSC800	-55 Cel		DUAL	3							2	CMOS	10 mA	5 V	128X8	Parallel IO Port	2.54 mm	R-XDIP-T40		Not Qualified
SN54LS613FK	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	44	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER		4.5 V	125 Cel		-55 Cel		QUAD	1	2.03 mm	16.51 mm				16.51 mm		TTL		5 V			1.27 mm	S-CQCC-N44		Not Qualified		12
SN54LS611JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V				IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel		DUAL	1				NOT SPECIFIED	NOT SPECIFIED			TTL		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified		12
SN54LS610JD	Texas Instruments	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V				IN-LINE	DIP40,.6	4.5 V	125 Cel		-55 Cel		DUAL	1				NOT SPECIFIED	NOT SPECIFIED			CMOS		5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified		12
NLA9555MTTXG	Onsemi	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	NO LEAD	24	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	5.5 V		16		CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC24,.16SQ,20	1.65 V	125 Cel		-55 Cel		QUAD	2	.8 mm	4 mm	1 MHz	NOT SPECIFIED	NOT SPECIFIED	4 mm			.15 mA				.5 mm	S-PQCC-N24				18
ZPSD303-70LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		4.5 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		5 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
ZPSD301V-25LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		2.7 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		3 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
ZPSD313-15LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		4.5 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		5 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
ZPSD304V-20LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		2.7 V	125 Cel		-55 Cel		QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		3 V			1.27 mm	S-CQCC-J44		Not Qualified		19
ZPSD303R-15LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		4.5 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		5 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
ZPSD313R-15LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		4.5 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		5 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
ZPSD313V-20LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		2.7 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		3 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
ZPSD301R-15LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		4.5 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		5 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
Z8420D2	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V			5	IN-LINE	DIP40,.6	4.75 V	125 Cel		-55 Cel	TIN LEAD	DUAL	2		15.24 mm						CMOS	100 mA	5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified	e0	20
ZPSD313R-70LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		4.5 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		5 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
ZPSD303-15LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		4.5 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		5 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
ZPSD303R-70LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		4.5 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		5 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19
Z8420AD2	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V			5	IN-LINE	DIP40,.6	4.75 V	125 Cel		-55 Cel	TIN LEAD	DUAL	2		15.24 mm						CMOS	100 mA	5 V		Other Microprocessor ICs	2.54 mm	R-CDIP-T40		Not Qualified	e0	20
Z8536AD2N	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V			5	IN-LINE	DIP40,.6	4.75 V	125 Cel		-55 Cel	TIN LEAD	DUAL	3		15.24 mm						CMOS		5 V		Parallel IO Port	2.54 mm	R-CDIP-T40		Not Qualified	e0	20
ZPSD302V-20LMB	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	MILITARY	J BEND	44	WQCCJ	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	5.5 V				CHIP CARRIER, WINDOW		2.7 V	125 Cel		-55 Cel	GOLD	QUAD	3	4.57 mm	16.51 mm				16.51 mm		CMOS		3 V			1.27 mm	S-CQCC-J44		Not Qualified	e4	19

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.