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. 660-8284
Mfr. Part No.SN75188DR
PHP25.421
Each (In a Pack of 10)
units
- - Line Transmitter - - - - Surface Mount 4 (RS-232) SOIC 14 - - -
RS Stock No. 169-5537
Mfr. Part No.SN75188DR
PHP17.598
Each (On a Reel of 250)
units
- - Line Transmitter - - - - Surface Mount 4 (RS-232) SOIC 14 - - -
RS Stock No. 368-6231
Mfr. Part No.SN74LS240N
PHP43.943
Each (In a Tube of 20)
units
LS Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Inverting Through Hole - PDIP 20 -15mA 24mA 18 ns @ 5 V
RS Stock No. 308-297
Mfr. Part No.SN74LS240N
PHP48.88
Each
units
LS Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Inverting Through Hole - PDIP 20 -15mA 24mA 18 ns @ 5 V
RS Stock No. 100-3798
Mfr. Part No.INA134PA
PHP155.93
Each (In a Tube of 50)
units
- - Differential Line Receiver 1 - - - Through Hole - PDIP 8 - - -
RS Stock No. 285-8003
Mfr. Part No.INA134PA
PHP180.08
Each
units
- - Differential Line Receiver 1 - - - Through Hole - PDIP 8 - - -
RS Stock No. 308-332
Mfr. Part No.SN74LS244N
PHP52.48
Each
units
LS Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Through Hole - PDIP 20 -15mA 24mA 18 ns @ 5 V
RS Stock No. 162-7531
Mfr. Part No.SN75161BN
PHP162.996
Each (In a Tube of 20)
units
- - Line Transceiver - - - - Through Hole - PDIP 20 - - -
RS Stock No. 709-2289
Mfr. Part No.SN75161BN
PHP180.08
Each
units
- - Line Transceiver - Single Ended - - Through Hole 8 PDIP 20 - - -
RS Stock No. 443-299
Mfr. Part No.AM26LS32ACN
PHP81.29
Each
units
- - Line Receiver - Differential - - Through Hole - PDIP 16 - - -
RS Stock No. 121-8312
Mfr. Part No.AM26LS32ACN
PHP73.574
Each (In a Tube of 25)
units
- - Line Receiver - Differential - - Through Hole - PDIP 16 - - -
RS Stock No. 517-2346
Mfr. Part No.SN75176BD
PHP137.372
Each (In a Pack of 10)
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 145-0860
Mfr. Part No.CD74ACT240E
PHP76.146
Each (In a Tube of 20)
units
ACT Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Inverting Through Hole - PDIP 20 -24mA 24mA 7.8 ns @ 5 V
RS Stock No. 662-9916
Mfr. Part No.CD74ACT240E
PHP84.378
Each (In a Pack of 5)
units
ACT Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Inverting Through Hole - PDIP 20 -24mA 24mA 7.8 ns @ 5 V
RS Stock No. 517-3131
Mfr. Part No.AM26LS32ACD
PHP81.838
Each (In a Pack of 5)
units
- - Quad Line Receiver - Differential - - Surface Mount - SOIC 16 - - -
RS Stock No. 168-4877
Mfr. Part No.SN75189AD
PHP27.897
Each (In a Tube of 50)
units
- - Line Receiver - Single Ended - - Surface Mount - SOIC 14 - - -
RS Stock No. 121-8342
Mfr. Part No.SN75176BDR
PHP74.464
Each (On a Reel of 2500)
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 169-5534
Mfr. Part No.GD75232DWR
PHP20.228
Each (On a Reel of 2000)
units
- - Multichannel Line Transceiver - Single Ended - - Surface Mount 3 SOIC 20 - - -
RS Stock No. 920-3472
Mfr. Part No.SN75176BD
PHP122.162
Each (In a Tube of 75)
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 443-132
Mfr. Part No.SN74HC240N
PHP36.98
Each
units
HC Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Inverting Through Hole - PDIP 20 -7.8mA 7.8mA 150 ns @ 2 V