Line Interface ICs

Line interface ICs (integrated circuits) are semiconductor devices that have been manufactured to manage communications going in and out of a computer system. These types of interface ICs are widely utilised within communication circuits of computer system units such as ethernet ports.

Types of line interface ICs

There are a wide range of these semiconductor interface ICs that have varied operating functions such as;

Differential line drivers - Differential line drivers are electrical devices that convey analogue signals, audio or otherwise, across distances with minimal noise pick up. Information in differential line drivers is transmitted using two complementary signals. They send the same electrical signal as two different signals, each on a conductor of its own. The conductors can either be traces on a circuit board or wires that are twisted together.

The voltage between the two signals and not the difference between a single wire and earth (a common return path for electric current), prompts a response by the receiving circuit. Differential line drivers resist electromagnetic noise once the difference between wires has been detected by the receiving circuit.

Line drivers - The main operating function for these types of ICs are for driving a load such as a transmission line. Output impedance can be matched to that of -the transmission line. Drivers ICs are used within digital systems for communicating digital signals across cables.

Differential line receivers - Differential line receivers are ICs that can interpret differential voltage signals into standard logic signals. They are often combined with differential voltage drivers to form transceivers.

Line Transceivers - Transceivers are ICs that are used in electronic equipment to enable the ability to send signals from a transmitter, through a channel interconnect, and then into a receiver on the opposite end of the line.

Line transmitters - Transmitters ICs are designed for multipoint data transmission used for Signal Processing and Industrial applications.

Applications of line interface ICs

These types of interface ICs are used in a wide array of applications such as;

  • LED displays
  • Network switches
  • Telecom infrastructure
  • Signal processing
  • Dynamic range processors
  • Digital effects processors

...
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Description Price Logic Family Logic Function IC Type Number of Channels per Chip Input Type Output Type Polarity Mounting Type Number of Transmitters Package Type Pin Count Maximum High Level Output Current Maximum Low Level Output Current Maximum Propagation Delay Time @ Maximum CL
RS Stock No. 527-439
Mfr. Part No.SN74HC244DWR
MYR2.09
Each (In a Pack of 25)
units
HC Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Surface Mount - SOIC 20 -7.8mA 7.8mA 165 ns @ 2 V
RS Stock No. 144-9975
Mfr. Part No.SN74HC244DW
MYR2.09
Each (In a Tube of 25)
units
HC Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Surface Mount - SOIC 20 -7.8mA 7.8mA 165 ns @ 2 V
RS Stock No. 663-2026
Mfr. Part No.SN74HC244DW
MYR2.09
Each (In a Pack of 10)
units
HC Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Surface Mount - SOIC 20 -7.8mA 7.8mA 165 ns @ 2 V
RS Stock No. 145-6893
Mfr. Part No.SN74HC244DWR
MYR1.353
Each (On a Reel of 2000)
units
HC Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Surface Mount - SOIC 20 -7.8mA 7.8mA 165 ns @ 2 V
RS Stock No. 162-7303
Mfr. Part No.SN7405N
MYR6.59
Each (In a Tube of 25)
units
74 Buffer, Driver Buffer & Line Driver 6 Single Ended Open Collector Inverting Through Hole - PDIP 14 -0.25mA 16mA 55 ns @ 5 V
RS Stock No. 146-1206
Mfr. Part No.MAX489CPD+
MYR14.835
Each (In a Tube of 25)
units
- - Line Transceiver - Differential - - Through Hole 1 PDIP 14 - - -
RS Stock No. 217-5651
Mfr. Part No.SN74HC541N
MYR2.76
Each
units
HC Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Through Hole - PDIP 20 -7.8mA 7.8mA 165 ns @ 2 V
RS Stock No. 660-8613
Mfr. Part No.MAX232IN
MYR7.768
Each (In a Pack of 5)
units
- - Dual Line Transceiver - Single Ended - - Through Hole 2 PDIP 16 - - -
RS Stock No. 913-4165
Mfr. Part No.SP485EEN-L/TR
BrandMaxLinear
MYR1.906
Each (On a Reel of 2500)
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 686-5692
Mfr. Part No.SP485EEN-L/TR
BrandMaxLinear
MYR4.038
Each (In a Pack of 5)
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 523-0010
Mfr. Part No.ADM232AANZ
MYR15.15
Each
units
- - Line Transceiver - Single Ended - - Through Hole 2 PDIP 16 - - -
RS Stock No. 923-3906
Mfr. Part No.MAX232IN
MYR5.063
Each (In a Tube of 25)
units
- - Dual Line Transceiver - Single Ended - - Through Hole 2 PDIP 16 - - -
RS Stock No. 169-8358
Mfr. Part No.ICL3225ECAZ
MYR8.381
Each (In a Tube of 66)
units
- - Line Transceiver - Single Ended - - Surface Mount 2 SSOP 20 - - -
RS Stock No. 686-5698
Mfr. Part No.SP485EEN-L
BrandMaxLinear
MYR4.116
Each (In a Pack of 5)
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 704-6836
Mfr. Part No.ICL3225ECAZ
MYR10.73
Each
units
- - Line Transceiver - Single Ended - - Surface Mount 2 SSOP 20 - - -
RS Stock No. 100-0762
Mfr. Part No.SN74HC541N
MYR2.457
Each (In a Tube of 20)
units
HC Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Through Hole - PDIP 20 -7.8mA 7.8mA 165 ns @ 2 V
RS Stock No. 913-4177
Mfr. Part No.SP485EEN-L
BrandMaxLinear
MYR3.349
Each (In a Tube of 98)
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 660-9316
Mfr. Part No.SN75HVD12P
MYR20.93
Each
units
- - Line Transceiver - Differential - - Through Hole 1 PDIP 8 - - -
RS Stock No. 145-7540
Mfr. Part No.SN75HVD12P
MYR14.174
Each (In a Tube of 50)
units
- - Line Transceiver - Differential - - Through Hole 1 PDIP 8 - - -
RS Stock No. 169-5685
Mfr. Part No.SN74LS541DWR
MYR3.001
Each (On a Reel of 2000)
units
LS Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Surface Mount - SOIC 20 -15mA 24mA 18 ns @ 5 V