Intersil Parallel I/O Ports 5

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Part RoHS 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 Address Bus Width No. of Bits Bit Size 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 ROM Words Width Additional Features External Data Bus Width Maximum Clock Frequency Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Total Dose (V) ROM Bits Size No. of Timers RAM Bytes Technology Maximum Supply Current Nominal Supply Voltage Memory Organization Sub-Category ROM Programmability Terminal Pitch JESD-30 Code Moisture Sensitivity Level (MSL) Qualification Speed JESD-609 Code Maximum Standby Current No. of I/O Lines Maximum Access Time

CD82C55A-5

Intersil

PARALLEL IO PORT, GENERAL PURPOSE

COMMERCIAL

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

5

IN-LINE

DIP40,.6

4.5 V

70 Cel

0 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

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

ID82C55A/+

Intersil

INDUSTRIAL

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC

NO

5

IN-LINE

DIP40,.6

85 Cel

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

CMOS

8 mA

5 V

Parallel IO Port

2.54 mm

R-XDIP-T40

e0

CDP1851CE

Intersil

PARALLEL IO PORT, GENERAL PURPOSE

INDUSTRIAL

THROUGH-HOLE

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6.5 V

10

5

IN-LINE

DIP40,.6

4 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2

6.35 mm

15.24 mm

51.75 mm

CMOS

5 V

Parallel IO Port

2.54 mm

R-PDIP-T40

Not Qualified

e0

20

CDP1851E

Intersil

PARALLEL IO PORT, GENERAL PURPOSE

INDUSTRIAL

THROUGH-HOLE

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

10.5 V

10

5/10

IN-LINE

DIP40,.6

4 V

85 Cel

-40 Cel

TIN LEAD

DUAL

2

6.35 mm

15.24 mm

51.75 mm

CMOS

10 V

Parallel IO Port

2.54 mm

R-PDIP-T40

Not Qualified

e0

20

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.