Logic Comparators

Logic comparators, also known as binary comparators and digital comparators are semiconductor logic ICs (integrated circuits) that has been designed as a combinational circuit for the testing of values represented by one binary word.

What are Logic Comparators?

Logic comparators test whether the value is greater than, less than, or equal to the value represented by another binary word. These devices are used commonly in digital logic circuit design and are also utilised in other key logic circuits.

Types of logic comparators

There are two main types of logic comparators and they are;

  • Magnitude comparators - These devices have two outputs, 1 that is logic where object A has a greater value than value B and are used to indicate equality.
  • Identity comparators - Identity comparators are devices that compare two binary numbers that has a singular output

Logic comparators are also offered with a variety of configurations such as Number of Bits configured on to the IC, varied maximum operating supply voltage and different output types such as push pull and TTL (Transistor–transistor logic)

Applications of logic comparators

These ICs have a range of application use such as;

  • Process controllers
  • Servo-motor control
  • Correction and/or detection of instrumentation conditions
  • Logic in CPU’s

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Beskrivning Pris Logic Family Logic Function Output Function Number of Bits Output Type Polarity Mounting Type Package Type Pin Count Maximum High Level Output Current Maximum Low Level Output Current Maximum Propagation Delay Time @ Maximum CL Dimensions Height
RS-artikelnummer 527-801
Tillv. art.nrCD74HC85E
VarumärkeTexas Instruments
12,92 kr
Each (In a Tube of 25)
Enheter
HC Magnitude Comparator AB 4 - Non-Inverting Through Hole PDIP 16 -5.2mA 5.2mA 195 ns@ 2 V, 33 ns@ 6 V, 39 ns@ 4.5 V 19.3 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 442-779
Tillv. art.nrSN74ALS521N
VarumärkeTexas Instruments
23,46 kr
Each
Enheter
ALS Identity Comparator A=B 8 Push-Pull Inverting Through Hole PDIP 20 -2.6mA 24mA 20 ns @ 5.5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 145-0442
Tillv. art.nrCD74HCT688M
VarumärkeTexas Instruments
6,432 kr
Each (In a Tube of 25)
Enheter
HCT Identity Comparator A=B 8 - Inverting Surface Mount SOIC 20 -4mA 4mA 34 ns @ 4.5 V 12.8 x 7.52 x 2.35mm 2.35mm
RS-artikelnummer 442-763
Tillv. art.nrSN74ALS520N
VarumärkeTexas Instruments
11,62 kr
Each
Enheter
ALS Identity Comparator A=B 8bit Push-Pull Inverting Through Hole PDIP 20 -2.6mA 24mA 20 ns @ 5.5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 145-6298
Tillv. art.nrSN74ALS520N
VarumärkeTexas Instruments
9,641 kr
Each (In a Tube of 20)
Enheter
ALS Identity Comparator A=B 8 Push-Pull Inverting Through Hole PDIP 20 -2.6mA 24mA 20 ns @ 5.5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 309-105
Tillv. art.nrSN74LS85N
VarumärkeTexas Instruments
19,30 kr
Each
Enheter
LS Magnitude Comparator AB 4 - Non-Inverting Through Hole PDIP 16 -0.4mA 8mA 45 ns@ 5 V 19.3 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 145-0441
Tillv. art.nrCD74HCT688E
VarumärkeTexas Instruments
9,742 kr
Each (In a Tube of 20)
Enheter
HCT Identity Comparator A=B 8 - Inverting Through Hole PDIP 20 -4mA 4mA 34 ns @ 4.5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 145-6017
Tillv. art.nrSN74LS684N
VarumärkeTexas Instruments
49,291 kr
Each (In a Tube of 20)
Enheter
LS Magnitude Comparator - 8 Push-Pull Inverting Through Hole PDIP 20 -0.4mA 24mA 30 ns @ 5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 663-0650
Tillv. art.nrCD74HCT688E
VarumärkeTexas Instruments
10,75 kr
Each (In a Pack of 5)
Enheter
HCT Identity Comparator A=B 8 - Inverting Through Hole PDIP 20 -4mA 4mA 34 ns @ 4.5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 663-0414
Tillv. art.nrCD74HC688M
VarumärkeTexas Instruments
21,434 kr
Each (In a Pack of 5)
Enheter
HC Identity Comparator A=B 8 - Inverting Surface Mount SOIC 20 -5.2mA 5.2mA 170 ns @ 2 V, 29 ns @ 6 V, 34 ns @ 4.5 V 12.8 x 7.52 x 2.35mm 2.35mm
RS-artikelnummer 145-6299
Tillv. art.nrSN74ALS521N
VarumärkeTexas Instruments
15,334 kr
Each (In a Tube of 20)
Enheter
ALS Identity Comparator A=B 8 Push-Pull Inverting Through Hole PDIP 20 -2.6mA 24mA 20 ns @ 5.5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 145-0817
Tillv. art.nrSN74LS682N
VarumärkeTexas Instruments
27,604 kr
Each (In a Tube of 20)
Enheter
LS Magnitude Comparator - 8 Push-Pull Inverting Through Hole PDIP 20 -0.4mA 24mA 30 ns @ 5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 145-0386
Tillv. art.nrSN74LS85N
VarumärkeTexas Instruments
16,132 kr
Each (In a Tube of 25)
Enheter
LS Magnitude Comparator - 4 - Non-Inverting Through Hole PDIP 16 -0.4mA 8mA 45 ns @ 5 V 19.3 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 302-895
Tillv. art.nrSN74LS682N
VarumärkeTexas Instruments
32,85 kr
Each
Enheter
LS Magnitude Comparator A=B, A>B 8 Push-Pull Inverting Through Hole PDIP 20 -0.4mA 24mA 30 ns@ 5 V 24.33 x 6.35 x 4.57mm 4.57mm
RS-artikelnummer 145-0454
Tillv. art.nrSN74HC688DW
VarumärkeTexas Instruments
7,974 kr
Each (In a Tube of 25)
Enheter
HC Identity Comparator A=B 8 - Inverting Surface Mount SOIC 20 -5.2mA 5.2mA 210 ns @ 2 V, 36 ns @ 6 V, 42 ns @ 4.5 V 12.8 x 7.52 x 2.35mm 2.35mm
RS-artikelnummer 663-0654
Tillv. art.nrCD74HCT688M
VarumärkeTexas Instruments
10,408 kr
Each (In a Pack of 5)
Enheter
HCT Identity Comparator A=B 8 - Inverting Surface Mount SOIC 20 -4mA 4mA 34 ns @ 4.5 V 12.8 x 7.52 x 2.35mm 2.35mm
RS-artikelnummer 170-8068
Tillv. art.nr74HC688D,652
VarumärkeNexperia
8,06 kr
Each (In a Tube of 38)
Enheter
74HC Magnitude Comparator A=B 8 Single Ended Inverting Surface Mount SO 20 -5.2mA 5.2mA 255 ns @ 50 pF 13 x 7.6 x 2.45mm 2.45mm