Comparators
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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 |
|
|
74FCT521ATQG8IC COMPARATOR IDENTITY 8B 20QSOP |
3,303 |
|
Datasheet |
74FCT | 20-SSOP (0.154", 3.90mm 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-QSOP | 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 |
|
|
74F524SCIC COMPARATOR MAG 8BIT 20SOIC |
2,139 |
|
Datasheet |
74F | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Magnitude Comparator | 8 | Active High | A |
4.5V ~ 5.5V | 3mA, 24mA | 25ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SOIC | Surface Mount |
Comparators Electronic Components Sourcing and Lifecycle Support
FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Comparators components, we support both current production requirements and long-term component availability across demanding product lifecycles.
Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.
How FPGAX Supports Comparators Requirements
- Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
- End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
- Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
- Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
- Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.
Supply Support at a Glance
| Requirement | FPGAX Support |
| Current production | Active FPGA, programmable logic, and semiconductor component sourcing |
| Legacy programs | End-of-life and hard-to-find component sourcing |
| Supply continuity | Lifecycle transition and long-term availability support |
| Quality requirements | Traceable sourcing and quality-management processes |
Focused on FPGA and Programmable Logic Supply
FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.
Comparators FAQ
Can FPGAX source both active and end-of-life Comparators components?
Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.
Which programmable logic manufacturers does FPGAX support?
Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.
How does FPGAX help with component lifecycle changes?
We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.
What quality and traceability standards does FPGAX follow?
FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.
What information should I provide for a Comparators sourcing request?
Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.