Comparators

Browse available Comparators part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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
74FCT521ATQG8 IC COMPARATOR IDENTITY 8B 20QSOP Renesas Electronics Corporation	3,303	-	RFQ	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
SN74LS682DW IC COMPARATOR MAG 8BIT 20SOIC Texas Instruments	3,409	-	RFQ	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
74F524SC IC COMPARATOR MAG 8BIT 20SOIC onsemi	2,139	-	RFQ	Datasheet	74F	20-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Magnitude Comparator	8	Active High	AB	4.5V ~ 5.5V	3mA, 24mA	25ns @ 5V, 50pF	-	0°C ~ 70°C	-	-	20-SOIC	Surface Mount
SY100E166JC IC COMPARATOR MAG 9BIT 28PLCC Microchip Technology	3,467	-	RFQ	Datasheet	100E	28-LCC (J-Lead)	Bulk	Discontinued at Digi-Key	Magnitude Comparator	9	Active High	AB	-4.2V ~ -5.5V	-	1.4ns @ -5V, -	-	0°C ~ 85°C	-	-	28-PLCC (11.48x11.48)	Surface Mount
74F524PC IC COMPARATOR MAG 8BIT 20DIP onsemi	1,921	-	RFQ	Datasheet	74F	20-DIP (0.300", 7.62mm)	Tube	Obsolete	Magnitude Comparator	8	Active High	AB	4.5V ~ 5.5V	3mA, 24mA	25ns @ 5V, 50pF	-	0°C ~ 70°C	-	-	20-PDIP	Through Hole
SN74ALS518DWE4 IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	2,202	-	RFQ	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
SN74ALS688DWG4 IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	4,249	-	RFQ	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
SN74HC684NG4 IC COMPARATOR MAG 8BIT 20DIP Texas Instruments	1,638	-	RFQ	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
SN74ALS679DWE4 IC COMPARATOR ADDRESS 12B 20SOIC Texas Instruments	2,442	-	RFQ	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
MC10E166FNR2 IC COMPARATOR MAG 9BIT 28PLCC onsemi	2,298	-	RFQ	Datasheet	10E	28-LCC (J-Lead)	Tape & Reel (TR)	Obsolete	Magnitude Comparator	9	Active High	AB	4.2V ~ 5.5V, -4.2V ~ -5.5V	50mA, 50mA	1.4ns @ 5V, -	-	0°C ~ 85°C	-	-	28-PLCC (11.51x11.51)	Surface Mount
SN74ALS688NSR IC COMPARATOR IDENTITY 8BIT 20SO Texas Instruments	3,166	-	RFQ	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
SN74LS684NSR IC COMPARATOR MAG 8BIT 20SO Texas Instruments	3,936	-	RFQ	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
SN74AS885DWR IC COMPARATOR MAG 8BIT 24SOIC Texas Instruments	1,180	-	RFQ	Datasheet	74AS	24-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Obsolete	Magnitude Comparator	8	Active High	AB	4.5V ~ 5.5V	2mA, 20mA	17.5ns @ 5V, 50pF	-	0°C ~ 70°C	-	-	24-SOIC	Surface Mount
MM74C85N IC COMPARATOR MAG 4BIT 16DIP onsemi	1,095	-	RFQ	Datasheet	74C	16-DIP (0.300", 7.62mm)	Tube	Obsolete	Magnitude Comparator	4	Active Low	AB	3V ~ 15V	15mA, 16mA	300ns @ 10V, 50pF	-	-55°C ~ 125°C	-	-	16-PDIP	Through Hole
MM74HC688N IC COMPARATOR IDENTITY 8B 20DIP onsemi	4,937	-	RFQ	Datasheet	74HC	20-DIP (0.300", 7.62mm)	Tube	Obsolete	Identity Comparator	8	Active Low	A=B	2V ~ 6V	5.2mA, 5.2mA	30ns @ 6V, 50pF	8 µA	-40°C ~ 85°C	-	-	20-PDIP	Through Hole
74F521PC IC COMPARATOR IDENTITY 8B 20DIP onsemi	4,398	-	RFQ	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
DM74ALS521N IC COMPARATOR IDENTITY 8B 20DIP onsemi	2,181	-	RFQ	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
74F521SC IC COMPARATOR IDENTITY 8B 20SOIC onsemi	4,713	-	RFQ	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
74AC521SC IC COMPARATOR IDENTITY 8B 20SOIC onsemi	4,021	-	RFQ	Datasheet	74AC	20-SOIC (0.295", 7.50mm 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-SOIC	Surface Mount
74ACT521PC IC COMPARATOR IDENTITY 8B 20DIP onsemi	4,968	-	RFQ	Datasheet	74ACT	20-DIP (0.300", 7.62mm)	Tube	Obsolete	Identity Comparator	8	Active Low	A=B	4.5V ~ 5.5V	24mA, 24mA	10ns @ 5V, 50pF	4 µA	-40°C ~ 85°C	-	-	20-PDIP	Through Hole

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FREQUENTLY ASKED QUESTIONS

Comparators FAQ

Common questions about selecting, comparing and sourcing Comparators components through Winsun (HK) Electronics.

What should I check when selecting Comparators components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Comparators part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Comparators parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Comparators components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.