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Comparators

Manufacturers	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
Advanced Micro Lites Fairchild Semiconductor Harris Corporation IDT, Integrated Device Technology Inc Microchip Technology National Semiconductor Nexperia USA Inc. NXP Semiconductors onsemi Quality Semiconductor Renesas Rochester Electronics, LLC STMicroelectronics Texas Instruments	* - 100E 100S 10E 10H 4000B 54AC 54ALS 54F 54HC 54HCT 54LS 74AC 74ACT 74ALS 74AS 74C 74F 74FCT 74HC 74HCT 74LS 74S	- 16-CDIP 16-CDIP (0.300", 7.62mm) 16-CFlatpack 16-DIP (0.300", 7.62mm) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.209", 5.30mm Width) 16-SSOP (0.209", 5.30mm Width) 16-TSSOP (0.173", 4.40mm Width) 20-CDIP (0.300", 7.62mm) 20-CFlatPack 20-CLCC 20-DIP 20-DIP (0.300", 7.62mm) 20-LCC (J-Lead) 20-SOIC (0.209", 5.30mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SSOP (0.154", 3.90mm Width) 20-SSOP (0.209", 5.30mm Width) 20-TFSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 24-CDIP (0.600", 15.24mm) 24-DIP (0.300", 7.62mm) 24-SOIC (0.295", 7.50mm Width) 28-LCC (J-Lead)	Bulk Tape & Reel (TR) Tube	Active Discontinued at Masstock Electronics Obsolete	- Address Comparator Identity Comparator Magnitude Comparator	- 12 16 4 5 8 9	- Active High Active Low	- AB AB A=B A=B, A>B	- -4.2V ~ -5.5V -4.2V ~ -5V -4.94V ~ -5.46V 2V ~ 6V 3V ~ 15V 3V ~ 18V 3V ~ 20V 4.2V ~ 5.5V, -4.2V ~ -5.5V 4.5V ~ 5.5V 4.75V ~ 5.25V 4.85V ~ 5.25V	- 100µA, 24mA 15mA, 16mA 15mA, 48mA 1mA, 20mA 2.4mA, 2.4mA 2.6mA, 24mA 24mA, 24mA 2mA, 20mA 3.4mA, 3.4mA 3mA, 24mA 3mA, 3mA 4.2mA, 4.2mA 400µA, 12mA 400µA, 24mA 400µA, 4mA 400µA, 8mA 440µA, 12mA 4mA, 4mA 5.2mA, 5.2mA 50mA, 50mA 6.8mA, 6.8mA 800µA, 16mA	- 1.4ns @ -5V, - 1.4ns @ 5V, - 1.5ns @ -5.2V, - 10ns @ 5V, 50pF 112ns @ 15V, 50pF 11ns @ 5V, 50pF 12.7ns @ 5V, 50pF 14ns @ 5V, 50pF 15ns @ 5V, 15pF 160ns @ 15V, 50pF 17.5ns @ 5V, 50pF 18ns @ 5V, 15pF 20ns @ 5V, 50pF 22ns @ 5V, 50pF 23ns @ 5V, 45pF 25ns @ 5V, 50pF 260ns @ 15V, 50pF 29ns @ 6V, 50pF 3.5ns @ 5V, 3pF 3.7ns @ -5.2V, - 300ns @ 10V, 50pF 30ns @ 5V, 45pF 30ns @ 5V, 50pF 30ns @ 6V, 50pF 31ns @ 6V, 50pF 32ns @ 4.5V, 50pF 32ns @ 5V, 50pF 33ns @ 5V, 50pF 33ns @ 6V, 50pF 34ns @ 4.5V, 50pF 350ns @ 15V, 50pF 35ns @ 5V, 15pF 36ns @ 6V, 50pF 4.2ns @ 5V, 50pF 4.5ns @ 5V, 50pF 40ns @ 4.5V, 50pF 42ns @ 5V, 50pF 44ns @ 4.5V, 50pF 45ns @ 5V, 15pF 47ns @ 6V, 50pF 7.2ns @ 5V, 50pF 8.5ns @ 5V, 50pF 9.5ns @ 5V, 50pF 90ns @ 15V, 50pF 9ns @ 5V, 50pF	- 1.5 mA 10 µA 100 µA 119 mA 19 mA 20 mA 20 µA 21 mA 32 mA 4 µA 40 mA 5 µA 500 µA 65 mA 70 mA 8 µA 80 µA 81 mA	- -40°C ~ 125°C -40°C ~ 85°C -55°C ~ 125°C -55°C ~ 125°C (TA) -55°C ~ 85°C 0°C ~ 70°C 0°C ~ 70°C (TA) 0°C ~ 75°C 0°C ~ 85°C	- Automotive Current - Output High, Low Current - Quiescent (Iq) Grade Max Propagation Delay @ V, Max CL Mounting Type Number of Bits Operating Temperature Output Output Function Package / Case Qualification Supplier Device Package Type Voltage - Supply	- AEC-Q100	- 16-CDIP 16-CERDIP 16-CFP 16-DIP 16-PDIP 16-SO 16-SOEIAJ 16-SOIC 16-SSOP 16-TSSOP 20-CDIP 20-CERDIP 20-CFlatPack 20-CFP 20-CLCC 20-DIP 20-LCCC (8.89x8.89) 20-PDIP 20-PLCC (9x9) 20-QSOP 20-SO 20-SOIC 20-SOP 20-SSOP 20-TSSOP 24-CDIP 24-PDIP 24-SOIC 28-PLCC (11.48x11.48) 28-PLCC (11.51x11.51)	- Surface Mount Through Hole

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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
CD74HC688M96E4 IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	0	-	RFQ	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
SN74ALS521DWRE4 IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	0	-	RFQ	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
SN74ALS520DWR IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	0	-	RFQ	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
SN74ALS520DWRE4 IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	0	-	RFQ	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
SN74ALS520DWRG4 IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	0	-	RFQ	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
IDT74FCT521CTPYG IC COMPARATOR IDENTITY 8B 20SSOP Renesas Electronics Corporation	0	-	RFQ	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
SN74LS682DWR IC COMPARATOR MAG 8BIT 20SOIC Texas Instruments	0	-	RFQ	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
SN74LS682DWRG4 IC COMPARATOR MAG 8BIT 20SOIC Texas Instruments	0	-	RFQ	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
74FCT521CTQG8 IC COMPARATOR IDENTITY 8B 20QSOP Renesas Electronics Corporation	0	-	RFQ	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
SN74LS688NG4 IC COMPARATOR IDENTITY 8B 20DIP Texas Instruments	0	-	RFQ	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
74FCT521ATSOG8 IC COMPARATOR IDENTITY 8B 20SOIC Renesas Electronics Corporation	0	-	RFQ	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
74FCT521CTSOG8 IC COMPARATOR IDENTITY 8B 20SOIC Renesas Electronics Corporation	0	-	RFQ	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
74FCT521ATQG IC COMPARATOR IDENTITY 8B 20QSOP Renesas Electronics Corporation	0	-	RFQ	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
74FCT521CTQG IC COMPARATOR IDENTITY 8B 20QSOP Renesas Electronics Corporation	0	-	RFQ	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
SN74LS688NE4 IC COMPARATOR IDENTITY 8B 20DIP Texas Instruments	0	-	RFQ	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
CD74HC688M IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	3	-	RFQ	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
74FCT521CTSOG IC COMPARATOR IDENTITY 8B 20SOIC Renesas Electronics Corporation	0	-	RFQ	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
SN74LS688DWR IC COMPARATOR IDENTITY 8B 20SOIC Texas Instruments	0	-	RFQ	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
SN74LS682NSR IC COMPARATOR MAG 8BIT 20SO Texas Instruments	0	-	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
SN74LS688NSR IC COMPARATOR IDENTITY 8BIT 20SO Texas Instruments	0	-	RFQ	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

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Category Overview

Comparators Products & Selection Guide

Comparators are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.

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