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. 162-7386
Mfr. Part No.SN74HC365N
TWD16.50
Each (In a Tube of 25)
units
HC Buffer, Line Driver Buffer & Line Driver 6 Single Ended 3 State Non-Inverting Through Hole - PDIP 16 -7.8mA 7.8mA 120 ns @ 2 V
RS Stock No. 923-3868
Mfr. Part No.MAX3232CDR
TWD22.00
Each (On a Reel of 2500)
units
- - Dual Line Transceiver - Single Ended - - Surface Mount 2 SOIC 16 - - -
RS Stock No. 170-7989
Mfr. Part No.74HCT244D,653
BrandNexperia
TWD5.80
Each (On a Reel of 2000)
units
74HCT Buffer, Line Driver Buffer & Line Driver 8 TTL 3 State Non-Inverting Surface Mount - SO 20 -6mA 6mA 33 ns @ 50 pF
RS Stock No. 921-5901
Mfr. Part No.ISL81487LIBZ
TWD63.00
Each (In a Pack of 5)
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 145-0111
Mfr. Part No.UA9638CD
TWD63.30
Each (In a Tube of 75)
units
- - Line Transmitter - - - - Surface Mount 2 (RS-422) SOIC 8 - - -
RS Stock No. 709-7852
Mfr. Part No.ADM208EARSZ
TWD135.00
Each
units
- - Multichannel Line Transceiver - Single Ended - - Surface Mount 4 SSOP 24 - - -
RS Stock No. 170-4419
Mfr. Part No.SP233ACT-L
BrandMaxLinear
TWD117.00
Each (In a Tube of 37)
units
- - Line Transceiver - Single Ended - - Surface Mount 2 SOIC W 20 - - -
RS Stock No. 308-332
Mfr. Part No.SN74LS244N
TWD35.00
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. 545-6206
Mfr. Part No.LTC491CS#PBF
TWD342.00
Each
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 14 - - -
RS Stock No. 662-7235
Mfr. Part No.CD74HCT125M96
TWD17.00
Each (In a Pack of 10)
units
HCT Buffer, Line Driver Buffer & Line Driver 4 Single Ended 3 State Non-Inverting Surface Mount - SOIC 14 -6mA 6mA 25 ns @ 4.5 V
RS Stock No. 121-9100
Mfr. Part No.UA9637ACD
TWD53.90
Each (In a Tube of 75)
units
- - Line Receiver - Differential - - Surface Mount - SOIC 8 - - -
RS Stock No. 528-258
Mfr. Part No.MAX3232CD
TWD69.80
Each (In a Pack of 5)
units
- - Line Transceiver - Single Ended - - Surface Mount 2 SOIC 16 - - -
RS Stock No. 662-9060
Mfr. Part No.SN74LVC541ADBR
TWD16.20
Each (In a Pack of 10)
units
LVC Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Surface Mount - SSOP 20 -24mA 24mA 5.6 ns @ 2.7 V
RS Stock No. 704-7126
Mfr. Part No.ISL81487LIBZ
TWD64.00
Each
units
- - Line Transceiver - Differential - - Surface Mount 1 SOIC 8 - - -
RS Stock No. 162-6966
Mfr. Part No.CD74HCT125M96
TWD7.40
Each (On a Reel of 2500)
units
HCT Buffer, Line Driver Buffer & Line Driver 4 Single Ended 3 State Non-Inverting Surface Mount - SOIC 14 -6mA 6mA 25 ns @ 4.5 V
RS Stock No. 113-0039
Mfr. Part No.74HCT244D,652
BrandNexperia
TWD20.00
Each
units
74HCT Buffer, Line Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Surface Mount - SOIC 20 -6mA 6mA 33ns
RS Stock No. 732-9288
Mfr. Part No.MAX3232CWE+
TWD116.00
Each
units
- - - - - - - Surface Mount 2 SOIC 16 - - -
RS Stock No. 145-7373
Mfr. Part No.SN74LVC06APWR
TWD3.00
Each (On a Reel of 2000)
units
LVC Buffer, Driver Buffer & Line Driver 6 Single Ended Open Drain Inverting Surface Mount - TSSOP 14 - 24mA 3.5 ns @ 3.3 V
RS Stock No. 660-8161
Mfr. Part No.AM26C31CDR
TWD33.60
Each (In a Pack of 5)
units
- - Line Transmitter - - - - Surface Mount 4 (RS-422) SOIC 16 - - -
RS Stock No. 810-0149
Mfr. Part No.SN74LVC244AN
TWD16.30
Each (In a Pack of 20)
units
LVC Buffer, Driver Buffer & Line Driver 8 Single Ended 3 State Non-Inverting Through Hole - PDIP 20 -24mA 24mA 8.2 ns@ 50 pF