Comparators
Review Comparators Logic components in this filtered selection. Compare manufacturer information, availability, pricing, datasheets and key specifications to narrow down suitable parts for your application.
If the exact part or specification you need is not listed, send the manufacturer part number, target parameters and quantity to JIEXIN Electronics for sourcing and quotation support.
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Type | Number of Bits | Output | Output Function | Voltage - Supply | Current - Output High, Low | Max Propagation Delay @ V, Max CL | Current - Quiescent (Iq) | Operating Temperature | Grade | Qualification | Supplier Device Package | Mounting Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CD74HC688MIC COMPARATOR IDENTITY 8B 20SOIC |
3,683 |
|
Datasheet | 74HC | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 2V ~ 6V | 5.2mA, 5.2mA | 29ns @ 6V, 50pF | 8 µA | -55°C ~ 125°C | - | - | 20-SOIC | Surface Mount |
|
SN74LS688DWRIC COMPARATOR IDENTITY 8B 20SOIC |
1,510 |
|
Datasheet | 74LS | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Identity Comparator | 8 | Active Low | A=B | 4.85V ~ 5.25V | 400µA, 24mA | 23ns @ 5V, 45pF | - | 0°C ~ 70°C | - | - | 20-SOIC | Surface Mount |
|
SN74LS682NSRIC COMPARATOR MAG 8BIT 20SO |
2,179 |
|
Datasheet | 74LS | 20-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Magnitude Comparator | 8 | Active Low | A=B, A>B | 4.85V ~ 5.25V | 400µA, 24mA | 30ns @ 5V, 45pF | - | 0°C ~ 70°C | - | - | 20-SO | Surface Mount |
|
SN74LS688NSRIC COMPARATOR IDENTITY 8BIT 20SO |
1,368 |
|
Datasheet | 74LS | 20-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Identity Comparator | 8 | Active Low | A=B | 4.85V ~ 5.25V | 400µA, 24mA | 23ns @ 5V, 45pF | - | 0°C ~ 70°C | - | - | 20-SO | Surface Mount |
|
SN74LS682DWIC COMPARATOR MAG 8BIT 20SOIC |
3,409 |
|
Datasheet | 74LS | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Magnitude Comparator | 8 | Active Low | A=B, A>B | 4.85V ~ 5.25V | 400µA, 24mA | 30ns @ 5V, 45pF | - | 0°C ~ 70°C | - | - | 20-SOIC | Surface Mount |
|
SN74ALS518DWE4IC COMPARATOR IDENTITY 8B 20SOIC |
2,202 |
|
Datasheet | 74ALS | 20-SOIC (0.295", 7.50mm Width) | Tube | Discontinued at Digi-Key | Identity Comparator | 8 | Active High | A=B | 4.5V ~ 5.5V | 100µA, 24mA | 33ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SOIC | Surface Mount |
|
SN74ALS688DWG4IC COMPARATOR IDENTITY 8B 20SOIC |
4,249 |
|
Datasheet | 74ALS | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SOIC | Surface Mount |
|
SN74HC684NG4IC COMPARATOR MAG 8BIT 20DIP |
1,638 |
|
Datasheet | 74HC | 20-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Magnitude Comparator | 8 | Active Low | A=B, A>B | 2V ~ 6V | 5.2mA, 5.2mA | 47ns @ 6V, 50pF | - | -40°C ~ 85°C | - | - | 20-PDIP | Through Hole |
|
SN74ALS679DWE4IC COMPARATOR ADDRESS 12B 20SOIC |
2,442 |
|
Datasheet | 74ALS | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Address Comparator | 12 | Active High | - | 4.5V ~ 5.5V | 2.6mA, 24mA | 30ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SOIC | Surface Mount |
|
SN74ALS688NSRIC COMPARATOR IDENTITY 8BIT 20SO |
3,166 |
|
Datasheet | 74ALS | 20-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SO | Surface Mount |
Frequently Asked Questions
What are Comparators components used for?
Comparators components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Comparators part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find Comparators parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.