| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
74HC85DB,112IC COMPARATOR MAG 4BIT 16SSOP |
1,439 |
|
Datasheet |
74HC | 16-SSOP (0.209", 5.30mm Width) | Tube | Active | Magnitude Comparator | 4 | Active High | AB | 2V ~ 6V | 5.2mA, 5.2mA | 33ns @ 6V, 50pF | 8 µA | -40°C ~ 125°C | - | - | 16-SSOP | Surface Mount |
|
SN74F521NSIC COMPARATOR IDENTITY 8BIT 20SO |
6,140 |
|
Datasheet |
74F | 20-SOIC (0.209", 5.30mm Width) | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SO | Surface Mount |
|
74AC521SJIC COMPARATOR IDENTITY 8B 20SOP |
3,440 |
|
Datasheet |
74AC | 20-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 2V ~ 6V | 24mA, 24mA | 8.5ns @ 5V, 50pF | 4 µA | -40°C ~ 85°C | - | - | 20-SOP | Surface Mount |
|
74HC688DB,118IC COMPARATOR IDENTITY 8B 20SSOP |
1,915 |
|
Datasheet |
74HC | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Identity Comparator | 8 | Active Low | A=B | 2V ~ 6V | 5.2mA, 5.2mA | 29ns @ 6V, 50pF | 8 µA | -40°C ~ 125°C | - | - | 20-SSOP | Surface Mount |
|
MC14585BFELGIC COMPARATOR MAG 4BIT 16SOEIAJ |
4,100 |
|
Datasheet |
4000B | 16-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Magnitude Comparator | 4 | Active High | AB | 3V ~ 18V | 4.2mA, 4.2mA | 260ns @ 15V, 50pF | 20 µA | -55°C ~ 125°C | - | - | 16-SOEIAJ | Surface Mount |
|
74F521SCXIC COMPARATOR IDENTITY 8B 20SOIC |
16,000 |
|
Datasheet |
74F | 20-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SOIC | Surface Mount |
|
|
CD74HCT85M96IC COMPARATOR MAG 4BIT 16SOIC |
1,758 |
|
Datasheet |
74HCT | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Magnitude Comparator | 4 | Active High | AB | 4.5V ~ 5.5V | 4mA, 4mA | 40ns @ 4.5V, 50pF | 8 µA | -55°C ~ 125°C | - | - | 16-SOIC | Surface Mount |
|
74LS85PCIC COMPARATOR MAG 4BIT 16DIP |
2,058 |
|
Datasheet |
74LS | 16-DIP (0.300", 7.62mm) | Bulk | Active | Magnitude Comparator | 4 | Active High | AB | 4.75V ~ 5.25V | - | 45ns @ 5V, 15pF | 20 mA | 0°C ~ 70°C | - | - | 16-PDIP | Through Hole |
|
74F521SCIC COMPARATOR IDENTITY 8B 20SOIC |
20,492 |
|
Datasheet |
74F | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SOIC | Surface Mount |
|
CD74HC85NSIC COMPARATOR MAG 4BIT 16SO |
1,886 |
|
Datasheet |
74HC | 16-SOIC (0.209", 5.30mm Width) | Bulk | Active | Magnitude Comparator | 4 | Active High | AB | 2V ~ 6V | 5.2mA, 5.2mA | 33ns @ 6V, 50pF | 8 µA | -55°C ~ 125°C | - | - | 16-SO | Surface Mount |
|
CD74FCT521ATMIC COMPARATOR IDENTITY 8B 20SOIC |
2,329 |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 7.2ns @ 5V, 50pF | 500 µA | -40°C ~ 85°C | - | - | 20-SOIC | Surface Mount |
|
74F521SJXIC COMPARATOR IDENTITY 8B 20SOP |
4,000 |
|
Datasheet |
74F | 20-SOIC (0.209", 5.30mm Width) | Bulk | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SOP | Surface Mount |
|
74F521SJIC COMPARATOR IDENTITY 8B 20SOP |
5,846 |
|
Datasheet |
74F | 20-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-SOP | Surface Mount |
|
CD74FCT521CTMIC COMPARATOR IDENTITY 8B 20SOIC |
2,242 |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | 15mA, 48mA | 4.5ns @ 5V, 50pF | 500 µA | -40°C ~ 85°C | - | - | 20-SOIC | Surface Mount |
|
CD74HC688PWIC COMPARATOR IDENTITY 20TSSOP |
1,820 |
|
Datasheet |
74HC | 20-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 2V ~ 6V | 5.2mA, 5.2mA | 29ns @ 6V, 50pF | 8 µA | -55°C ~ 125°C | - | - | 20-TSSOP | Surface Mount |
|
74F521PCIC COMPARATOR IDENTITY 8B 20DIP |
2,623 |
|
Datasheet |
74F | 20-DIP (0.300", 7.62mm) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-PDIP | Through Hole |
|
74HCT688N,652IC COMPARATOR IDENTITY 8B 20DIP |
3,488 |
|
Datasheet |
74HCT | 20-DIP (0.300", 7.62mm) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 4mA, 4mA | 34ns @ 4.5V, 50pF | 8 µA | -40°C ~ 125°C | - | - | 20-DIP | Through Hole |
|
DM74ALS521WMXIC COMPARATOR IDENTITY 8B 20SOIC |
20,557 |
|
Datasheet |
74ALS | 20-SOIC (0.295", 7.50mm Width) | Bulk | 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 |
|
DM74ALS521NIC COMPARATOR IDENTITY 8B 20DIP |
11,391 |
|
Datasheet |
74ALS | 20-DIP (0.300", 7.62mm) | Tube | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0°C ~ 70°C | - | - | 20-PDIP | Through Hole |
|
DM74ALS521WMIC COMPARATOR IDENTITY 8B 20SOIC |
6,893 |
|
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 |
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.
| 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 |
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.
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.
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.
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.
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.
Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.