TFQFP Parallel I/O Ports 138

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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	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Minimum Supply Voltage	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Ultraviolet Erasable	Terminal Position	No. of Ports	Maximum Seated Height	Width	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	ROM Bits Size	Technology	Nominal Supply Voltage	Sub-Category	Terminal Pitch	JESD-30 Code	Qualification	JESD-609 Code	Maximum Standby Current	No. of I/O Lines	Maximum Access Time
PSD4235G2V-70UIT	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel	TIN		QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified	e3		52
PSD4135G2-C-70UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2--12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-B-20UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2V-C-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2V-B-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2--70U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V	5	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	4.5 V	70 Cel	0 Cel	MATTE TIN/NICKEL PALLADIUM GOLD		QUAD	7	1.2 mm	12 mm	NOT SPECIFIED	260	12 mm		CMOS	5 V	Other uPs/uCs/Peripheral ICs	.5 mm	S-PQFP-G80	Not Qualified	e3/e4		52
PSD4235G2V-B-90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2V-A-90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2V-A-12UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2-C-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-B-15U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2V-C-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-A-15UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2V-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	3.3	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	3 V	70 Cel	0 Cel	MATTE TIN/NICKEL PALLADIUM GOLD		QUAD	7	1.2 mm	12 mm	NOT SPECIFIED	260	12 mm		CMOS	3.3 V	Other Microprocessor ICs	.5 mm	S-PQFP-G80	Not Qualified	e3/e4		52
PSD4235G2-A-70UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2--90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V	5	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	4.5 V	70 Cel	0 Cel	TIN LEAD	N	QUAD	7	1.2 mm	12 mm			12 mm	4194304 Bits	CMOS	5 V	Other uPs/uCs/Peripheral ICs	.5 mm	S-PQFP-G80	Not Qualified	e0	.0002 Amp	52	.00000009 ns
PSD4235G2-B-70U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2V-A-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2V-A-90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2-A-70U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2V-B-12UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-B-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2V-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	3.3	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	3 V	70 Cel	0 Cel	TIN LEAD	N	QUAD	7	1.2 mm	12 mm			12 mm	4194304 Bits	CMOS	3.3 V	Other Microprocessor ICs	.5 mm	S-PQFP-G80	Not Qualified	e0	.0002 Amp	52	.00000009 ns
PSD4135G2V-C-90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2V-C-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-A-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2-A-90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-B-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2--20U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD935G2-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V	5	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	4.5 V	70 Cel	0 Cel	TIN LEAD	N	QUAD	7	1.2 mm	12 mm			12 mm	4194304 Bits	CMOS	5 V	Other Microprocessor ICs	.5 mm	S-PQFP-G80	Not Qualified	e0	.0002 Amp	52	.00000009 ns
PSD4135G2-B-90U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2-B-12UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-A-20U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2-A-12U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-C-15UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-A-12UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2--20UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2V-C-90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V		FLATPACK, THIN PROFILE, FINE PITCH		3 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	3.3 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2-A-20UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2V-12UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	3.3	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	3 V	85 Cel	-40 Cel	TIN LEAD	N	QUAD	7	1.2 mm	12 mm			12 mm	4194304 Bits	CMOS	3.3 V	Other Microprocessor ICs	.5 mm	S-PQFP-G80	Not Qualified	e0	.0002 Amp	52	.00000012 ns
PSD4235G2-B-90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	85 Cel	-40 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4135G2-B-70U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2--90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V	5	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	4.5 V	85 Cel	-40 Cel	MATTE TIN/NICKEL PALLADIUM GOLD		QUAD	7	1.2 mm	12 mm	NOT SPECIFIED	260	12 mm		CMOS	5 V	Other uPs/uCs/Peripheral ICs	.5 mm	S-PQFP-G80	Not Qualified	e3/e4		52
PSD4235G2-A-70U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V		FLATPACK, THIN PROFILE, FINE PITCH		4.5 V	70 Cel	0 Cel			QUAD	7	1.2 mm	12 mm			12 mm		CMOS	5 V		.5 mm	S-PQFP-G80	Not Qualified			52
PSD4235G2--12UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V	5	FLATPACK, THIN PROFILE, FINE PITCH	QFP80,.55SQ,20	4.5 V	85 Cel	-40 Cel		N	QUAD	7	1.2 mm	12 mm			12 mm	4456448 Bits	CMOS	5 V	Other Microprocessor ICs	.5 mm	S-PQFP-G80	Not Qualified		.0002 Amp	52	.00000012 ns
PSD835G2V-90UI	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	INDUSTRIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	3.6 V	3.3	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	3 V	85 Cel	-40 Cel		N	QUAD	7	1.2 mm	12 mm			12 mm	4456448 Bits	CMOS	3.3 V	Other Microprocessor ICs	.5 mm	S-PQFP-G80	Not Qualified		.0001 Amp	52	.00000009 ns
PSD4135G2--70U	STMicroelectronics	PARALLEL IO PORT, GENERAL PURPOSE	COMMERCIAL	GULL WING	80	TFQFP	SQUARE	PLASTIC/EPOXY	YES	5.5 V	5	FLATPACK, THIN PROFILE, FINE PITCH	TQFP80,.55SQ	4.5 V	70 Cel	0 Cel	TIN LEAD	N	QUAD	7	1.2 mm	12 mm			12 mm	4194304 Bits	CMOS	5 V	Other uPs/uCs/Peripheral ICs	.5 mm	S-PQFP-G80	Not Qualified	e0	.0002 Amp	52	.00000007 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.