Comparators
Browse available Comparators components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| Photo | Mfr. Part # | Availability | Price | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CD74HC688M96E4IC COMPARATOR IDENTITY 8B 20SOIC |
2,771 | - |
|
Datasheet | 74HC | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | 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 |
|
SN74ALS521DWRE4IC COMPARATOR IDENTITY 8B 20SOIC |
4,277 | - |
|
Datasheet | 74ALS | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | 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 |
|
|
SN74ALS520DWRIC COMPARATOR IDENTITY 8B 20SOIC |
4,074 | - |
|
Datasheet | 74ALS | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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 |
|
|
SN74ALS520DWRE4IC COMPARATOR IDENTITY 8B 20SOIC |
2,540 | - |
|
Datasheet | 74ALS | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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 |
|
|
SN74ALS520DWRG4IC COMPARATOR IDENTITY 8B 20SOIC |
3,480 | - |
|
Datasheet | 74ALS | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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 |
|
IDT74FCT521CTPYGIC COMPARATOR IDENTITY 8B 20SSOP |
4,777 | - |
|
Datasheet | 74FCT | 20-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 4.5ns @ 5V, 50pF | 10 µA | -40°C ~ 85°C | - | - | 20-SSOP | Surface Mount |
|
|
SN74LS682DWRIC COMPARATOR MAG 8BIT 20SOIC |
4,447 | - |
|
Datasheet | 74LS | 20-SOIC (0.295", 7.50mm 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-SOIC | Surface Mount |
|
|
SN74LS682DWRG4IC COMPARATOR MAG 8BIT 20SOIC |
2,902 | - |
|
Datasheet | 74LS | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | 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 |
|
|
74FCT521CTQG8IC COMPARATOR IDENTITY 8B 20QSOP |
4,172 | - |
|
Datasheet | 74FCT | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 4.5ns @ 5V, 50pF | 10 µA | -40°C ~ 85°C | - | - | 20-QSOP | Surface Mount |
|
SN74LS688NG4IC COMPARATOR IDENTITY 8B 20DIP |
3,154 | - |
|
Datasheet | 74LS | 20-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Identity Comparator | 8 | Active Low | A=B | 4.85V ~ 5.25V | 400µA, 24mA | 23ns @ 5V, 45pF | - | 0°C ~ 70°C | - | - | 20-PDIP | Through Hole |
|
74FCT521ATSOG8IC COMPARATOR IDENTITY 8B 20SOIC |
2,256 | - |
|
Datasheet | 74FCT | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 7.2ns @ 5V, 50pF | 10 µA | -40°C ~ 85°C | - | - | 20-SOIC | Surface Mount |
|
|
74FCT521CTSOG8IC COMPARATOR IDENTITY 8B 20SOIC |
4,817 | - |
|
Datasheet | 74FCT | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 4.5ns @ 5V, 50pF | 10 µA | -40°C ~ 85°C | - | - | 20-SOIC | Surface Mount |
|
74FCT521ATQGIC COMPARATOR IDENTITY 8B 20QSOP |
4,316 | - |
|
Datasheet | 74FCT | 20-SSOP (0.154", 3.90mm Width) | Tube | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 7.2ns @ 5V, 50pF | 10 µA | -40°C ~ 85°C | - | - | 20-QSOP | Surface Mount |
|
|
74FCT521CTQGIC COMPARATOR IDENTITY 8B 20QSOP |
2,130 | - |
|
Datasheet | 74FCT | 20-SSOP (0.154", 3.90mm Width) | Tube | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 4.5ns @ 5V, 50pF | 10 µA | -40°C ~ 85°C | - | - | 20-QSOP | Surface Mount |
|
|
SN74LS688NE4IC COMPARATOR IDENTITY 8B 20DIP |
4,702 | - |
|
Datasheet | 74LS | 20-DIP (0.300", 7.62mm) | Tube | Active | Identity Comparator | 8 | Active Low | A=B | 4.85V ~ 5.25V | 400µA, 24mA | 23ns @ 5V, 45pF | 65 mA | 0°C ~ 70°C | - | - | 20-PDIP | Through Hole |
|
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 |
|
|
74FCT521CTSOGIC COMPARATOR IDENTITY 8B 20SOIC |
4,123 | - |
|
Datasheet | 74FCT | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 4.5ns @ 5V, 50pF | 10 µA | -40°C ~ 85°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 |
Comparators FAQ
What Comparators components can I source from EGOO?
You can browse available Comparators product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete Comparators parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
Does EGOO support BOM and small-batch sourcing?
Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
How do I request pricing and availability?
Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.
