Comparators
Use the filters and product table below to compare Comparators components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
74F521MSAIC COMPARATOR IDENTITY 8B 20SSOP |
1,210 | - |
|
Datasheet | 74F | 20-SSOP (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-SSOP | Surface Mount |
|
74AC521SJIC COMPARATOR IDENTITY 8B 20SOP |
1,743 | - |
|
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 |
|
74F521SJIC COMPARATOR IDENTITY 8B 20SOP |
4,087 | - |
|
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 |
|
|
74F521SJXIC COMPARATOR IDENTITY 8B 20SOP |
2,207 | - |
|
Datasheet | 74F | 20-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | 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 |
|
|
DM74ALS521WMXIC COMPARATOR IDENTITY 8B 20SOIC |
1,776 | - |
|
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 |
|
74AC521SCXIC COMPARATOR IDENTITY 8B 20SOIC |
1,257 | - |
|
Datasheet | 74AC | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Identity Comparator | 8 | Active Low | A=B | 2V ~ 6V | 24mA, 24mA | 8.5ns @ 5V, 50pF | 4 µA | -40°C ~ 85°C | - | - | 20-SOIC | Surface Mount |
|
|
74ACT521SCXIC COMPARATOR IDENTITY 8B 20SOIC |
3,956 | - |
|
Datasheet | 74ACT | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 24mA, 24mA | 10ns @ 5V, 50pF | 4 µA | -40°C ~ 85°C | - | - | 20-SOIC | Surface Mount |
|
|
74F521SCXIC COMPARATOR IDENTITY 8B 20SOIC |
3,012 | - |
|
Datasheet | 74F | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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 |
|
74AC521MTCXIC COMPARATOR IDENTITY 20TSSOP |
2,191 | - |
|
Datasheet | 74AC | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Identity Comparator | 8 | Active Low | A=B | 2V ~ 6V | 24mA, 24mA | 8.5ns @ 5V, 50pF | 4 µA | -40°C ~ 85°C | - | - | 20-TSSOP | Surface Mount |
|
74ACT521MTCXIC COMPARATOR IDENTITY 20TSSOP |
4,920 | - |
|
Datasheet | 74ACT | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.5V ~ 5.5V | 24mA, 24mA | 10ns @ 5V, 50pF | 4 µA | -40°C ~ 85°C | - | - | 20-TSSOP | Surface Mount |
Comparators FAQ
Common questions about filtering, comparing and sourcing Comparators components.
How can I narrow the Comparators selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Comparators part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
