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Comparators

Comparators facilitate the comparison of voltage levels in electronic circuits. Key attributes include Current, Max Propagation Delay @ V, and Operating Temperature. These components are essential for applications such as new product design and prototyping.

516 active parts
15 manufacturers
22 distributors
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What are Comparators ?

Comparators are integrated circuits that compare two voltage levels and output a signal indicating which is higher. They are commonly used in applications like production electronics assembly and engineering evaluation. Important specifications for selection include Current, which affects power consumption; Max Propagation Delay @ V, which determines speed; and Operating Temperature, which ensures reliability in various environments. Validating lifecycle status and sourcing options is crucial for procurement teams to mitigate risks.

Parts in this category

Compare stocked parts across manufacturers and distributors, then add lines to your RFQ.

Part & Mfr AEC Qualified Automotive Grade Current Current - Quiescent (Max) ESD Protection Function Halogen Free Height Hysteresis Industrial Grade Lead Spacing Lead Style Length Max Propagation Delay @ V, Max CL Medical Grade Military Grade Mounting Style Mounting Type Number of Bits Number of Channels Number of Elements Number of Pins Operating Temperature Operating Voltage Output Output Current Output Function Output Type Package / Case Package Quantity Pitch Power Dissipation Propagation Delay Propagation Delay (Max) Quiescent Current Response Time SVHC Present Storage Temperature Supplier Device Package Supplier Package Supply Current Supply Voltage Tape & Reel Thickness Type Voltage Width
Product image for SN74LS85N by Texas Instruments
SN74LS85N
Texas Instruments
301,064
Across 2 distributors
Distributor Stock MOQ Country
Romaks Technologies 301,000 - -
Partservice 64 - -
$0.84
 - - 400µA, 8mA - - - - - - - - - - 45ns @ 5V, 15pF - - - Through Hole 4 - - - 0°C ~ 70°C - Active High - A<B, A=B, A>B - - 25 - - - - - - Not Present - 16-PDIP 16-PDIP - - - - Magnitude Comparator 4.75V ~ 5.25V -
Product image for 74AC521MTCX by On Semiconductor
74AC521MTCX
Download Datasheet for 74AC521MTCX
On Semiconductor
258,286
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 258,286 - -
$0.50
 - - 4 µA - - - - - - - - - - 8.5 ns - - - Surface Mount 8-Bit - - - -40°C / 85°C - Active Low - A=B - - - - - - - - - Not Present - 20-TSSOP 20-TSSOP - - Tape and Reel - Identity Comparator 2V / 6V -
Product image for CD74HC688M96 by Texas Instruments
CD74HC688M96
Texas Instruments
213,705
Across 2 distributors
Distributor Stock MOQ Country
Romaks Technologies 51,657 - -
Unit Electronics Co.,Limited 162,048 - -
$0.31
 - - 8 µA - - - - - - - - - - 29ns @ 6V, 50pF - - - Surface Mount 8 - - - -55°C ~ 125°C - Active Low - A=B - - - - - - - - - - - 20-SOIC 20-SOIC - - - - Identity Comparator 2V ~ 6V -
Product image for CD74HC688PWR by Texas Instruments
CD74HC688PWR
Texas Instruments
115,490
From Unit Electronics Co.,Limited
Distributor Stock MOQ Country
Unit Electronics Co.,Limited 115,490 - -
Price on request
 - - 8 µA - - - - - - - - - - 29ns @ 6V, 50pF - - - Surface Mount 8 - - - -55°C ~ 125°C - Active Low - A=B - - - - - - - - - - - 20-TSSOP - - - - - Identity Comparator 2V ~ 6V -
Product image for SN74LS688NSR by Texas Instruments
SN74LS688NSR
Texas Instruments
90,400
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 90,400 - -
$1.57
 - - 400µA, 24mA - - - - - - - - - - 23ns @ 5V, 45pF - - - Surface Mount 8 - - - 0°C ~ 70°C - Active Low - A=B - - - - - - - - - - - 20-SO - - - - - Identity Comparator 4.85V ~ 5.25V -
Product image for SN74ALS688NSR by Texas Instruments
SN74ALS688NSR
Texas Instruments
82,182
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 82,182 - -
$4.51
 - - 2.6mA / 24mA - - - - - - - - - - 20ns @ 5V, 50pF - - - Surface Mount 8 - - - 0°C / 70°C - Active Low - A=B - - - - - - - - - - - 20-SO 20-SO - - - - Identity Comparator 4.5V / 5.5V -
Product image for CD74HC85M96 by Texas Instruments
CD74HC85M96
Texas Instruments
54,666
From Unit Electronics Co.,Limited
Distributor Stock MOQ Country
Unit Electronics Co.,Limited 54,666 - -
Price on request
 - - 8 µA - - - - - - - - - - 33ns @ 6V, 50pF - - - Surface Mount 4 - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - - - 16-SOIC - - - - - Magnitude Comparator 2V ~ 6V -
Product image for CD74HC85PWR by Texas Instruments
CD74HC85PWR
Texas Instruments
25,528
From Unit Electronics Co.,Limited
Distributor Stock MOQ Country
Unit Electronics Co.,Limited 25,528 - -
Price on request
 - - 8 µA - - - - - - - - - - 33ns @ 6V, 50pF - - - Surface Mount 4 - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - - - 16-TSSOP - - - - - Magnitude Comparator 2V ~ 6V -
Product image for CD74HCT688M96 by Texas Instruments
CD74HCT688M96
Texas Instruments
15,897
Across 2 distributors
Distributor Stock MOQ Country
Fe Components Stock on Request - -
Unit Electronics Co.,Limited 15,897 - -
$0.25
 - - 8 µA - - - - - - - - - - 34ns @ 4.5V, 50pF - - - Surface Mount 8-Bit - - - -55°C ~ 125°C - Active Low - A=B - - - - - - - - - - - 20-SOIC 20-SOIC - - - - Identity Comparator 4.5V ~ 5.5V -
Product image for CD74HC85NSR by Texas Instruments
CD74HC85NSR
Texas Instruments
11,382
From Unit Electronics Co.,Limited
Distributor Stock MOQ Country
Unit Electronics Co.,Limited 11,382 - -
Price on request
 - - 8 µA - - - - - - - - - - 33ns @ 6V, 50pF - - - Surface Mount 4 - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - - - 16-SO - - - - - Magnitude Comparator 2V ~ 6V -
Product image for CD74HC688NSR by Texas Instruments
CD74HC688NSR
Texas Instruments
10,062
From Unit Electronics Co.,Limited
Distributor Stock MOQ Country
Unit Electronics Co.,Limited 10,062 - -
Price on request
 - - 8 µA - - - - - - - - - - 29ns @ 6V, 50pF - - - Surface Mount 8 - - - -55°C ~ 125°C - Active Low - A=B - - - - - - - - - - - 20-SO - - - - - Identity Comparator 2V ~ 6V -
Product image for SN74F521DWR by Texas Instruments
SN74F521DWR
Texas Instruments
7,961
Across 2 distributors
Distributor Stock MOQ Country
MW.FEP S.p.A. 245 - -
Partservice 7,716 - -
$0.38
 No No 1mA, 20mA - - - - - - No - - - 10ns No No - Surface Mount 8 - - - 0°C to 70°C - Active Low - A=B - - - - - - - - - - °C ~ °C 20-SOIC - - - No - Identity Comparator 4.5V ~ 5.5V -
Product image for SN74LS85D by Texas Instruments
SN74LS85D
Texas Instruments
7,420
From Partservice
Distributor Stock MOQ Country
Partservice 7,420 - -
$0.78
 No No 8mA - - - - - - No 1.27 mm Gull Wing - 45ns @ 5V, 15pF No No - Surface Mount 4 - - - 0°C to 70°C - Active High - A<B, A=B, A>B - - - - - - - - - - - 16-SOIC 16-SOIC - - - - Magnitude Comparator 4.75V to 5.25V -
Product image for MC14585BCL by On Semiconductor
MC14585BCL
On Semiconductor
7,113
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 7,000 - -
Partservice 113 - -
$0.50
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Product image for SN74HC688PWR by Texas Instruments
SN74HC688PWR
Download Datasheet for SN74HC688PWR
Texas Instruments
6,000
From PROSOFT ELECTRONICS
Distributor Stock MOQ Country
PROSOFT ELECTRONICS 6,000 - -
$0.50
 - - 80 µA max - - - - - - - - - - 14 ns - - - Surface Mount 8 - - - -40°C to 85°C - Active Low ±4 mA A=B - - - - - - - - - - - 20-TSSOP - - - - - Identity Comparator 2 V to 6 V -
Product image for CD74HCT688E by Texas Instruments
CD74HCT688E
Texas Instruments
5,323
Across 3 distributors
Distributor Stock MOQ Country
Hybrid Electronics 961 - -
Partservice 10 - -
Unit Electronics Co.,Limited 4,352 - -
$0.37
 - - 8 µA - - - - - - - 7.62 mm Dip - 34ns @ 4.5V, 50pF - - - Through Hole 8 - - - -55°C ~ 125°C - Active Low - A=B - - - - - - - - - - - 20-PDIP - - - - - Identity Comparator 4.5V ~ 5.5V -
Product image for SN74LS682N by Texas Instruments
SN74LS682N
Texas Instruments
5,255
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 5,245 - -
Partservice 10 - -
$1.72
 - - 400µA, 24mA - - - - - - - - - - 30ns @ 5V, 45pF - - - Through Hole 8-Bit - - - 0°C to 70°C - Active Low - A=B, A>B - - - - - - - - - - - 20-PDIP 20-PDIP - - - - Magnitude Comparator 4.85V to 5.25V -
Product image for MM74HC688MTCX by On Semiconductor
MM74HC688MTCX
Download Datasheet for MM74HC688MTCX
On Semiconductor
5,160
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 5,160 - -
$0.50
 - - 8 µA - - - - - - - - - - 30ns @ 6V, 50pF - - - Surface Mount 8 - - - -40°C / 85°C - Active Low 4mA A=B - - - - - - - - - - - 20-TSSOP 20-TSSOP - - - - Identity Comparator 2V ~ 6V -
Product image for M74HC688TTR by STMicroelectronics
M74HC688TTR
STMicroelectronics
4,500
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 4,500 - -
$0.50
 - - 4 µA - - - - - - - - - - 29ns @ 6V, 50pF - - - Surface Mount 8 - - - -55°C ~ 125°C - Active Low - A=B - - - - - - - - - - - 20-TSSOP - - - - - Identity Comparator 2V ~ 6V -
Product image for TL712CPS by Texas Instruments
TL712CPS
Texas Instruments
4,190
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 4,190 - -
$0.50
 - - - 20mA - - - - 5mV - - - - - - - - Surface Mount - - 1 - 0°C to 70°C - - - - - - - - - - 25ns - - - - - - - - - - - - -
Product image for SN74HC688N by Texas Instruments
SN74HC688N
Download Datasheet for SN74HC688N
Texas Instruments
4,003
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 4,000 - -
Partservice 3 - -
$0.50
 - - 8 µA - - - - - - - - - - 36ns @ 6V, 50pF - - - Through Hole 8 - - - -40°C ~ 85°C - Active Low - A=B - - - - - 14 ns typical - - - - - 20-PDIP - 80 µA max - - - Identity Comparator 2 V to 6 V -
Product image for MC10E166FN by On Semiconductor
MC10E166FN
Download Datasheet for MC10E166FN
On Semiconductor
3,909
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,659 - -
Optech Co.,Limited 250 - -
$0.50
 - - 50 mA, 50 mA - Human Body Model; > 2 kV, Machine Model; > 200 V - - - - - - J-Lead - 1.4 ns - - - Surface Mount 9 - - - 0°C ~ 85°C 4.2 V to 5.5 V, -4.2 V to -5.5 V Active High - A<B, A=B, A>B - - - - - - - - - - - 28-PLCC (11.51x11.51) - - - - - Magnitude Comparator 4.2V ~ 5.5V, -4.2V ~ -5.5V -
Product image for MM74HC688WMX by On Semiconductor
MM74HC688WMX
Download Datasheet for MM74HC688WMX
On Semiconductor
3,840
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,840 - -
$0.50
 - - 8 µA - - - - - - - - - - 30ns - - - Surface Mount 8 - - - -40°C ~ 85°C - Active Low 4mA A=B - - - - - - - 80µA - Not Present - 20-SOIC 20-SOIC (0.295", 7.50mm Width) - - - - Identity Comparator 2V ~ 6V -
Product image for SN74ALS521DWR by Texas Instruments
SN74ALS521DWR
Texas Instruments
3,808
Across 2 distributors
Distributor Stock MOQ Country
Bristol Electronics 2,000 - -
Hybrid Electronics 1,808 - -
$1.09
 - - 2.6mA, 24mA - - - - - - - - - - 20ns @ 5V, 50pF - - - Surface Mount 8 - - - 0°C ~ 70°C - Active Low - A=B - - - - - - - - - - - 20-SOIC - - - - - Identity Comparator 4.5V ~ 5.5V -
Product image for MM74C85N by On Semiconductor
MM74C85N
Download Datasheet for MM74C85N
On Semiconductor
3,609
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,600 - -
Chanetech 9 - -
$0.50
 - - 15mA, 16mA - - - - - - - 7.62 mm - - 300ns @ 10V, 50pF - - - Through Hole 4-Bit - - - -55°C ~ 125°C - Active Low - A<B, A=B, A>B - - - - - - - - - - - 16-PDIP - - 3V to 15V - - Magnitude Comparator 3V ~ 15V -
Product image for CD4063BF3A by Texas Instruments
CD4063BF3A
Texas Instruments
3,500
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,500 - -
$0.50
 - - 100 µA - - - - - - - - Through Hole - 350ns @ 15V, 50pF - - - Through Hole 4 - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - - - 16-CDIP 16-CDIP - - - - Magnitude Comparator 3V ~ 18V -
Product image for TL393ID by Texas Instruments
TL393ID
Texas Instruments
3,495
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 3,495 - -
$0.50
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Product image for SN74ALS520N by Texas Instruments
SN74ALS520N
Texas Instruments
3,388
Across 3 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,362 - -
Speed Components Ltd 12 - -
Partservice 14 - -
$1.91
 - - 2.6mA, 24mA - - - - - - - - - - 20ns @ 5V, 50pF - - - Through Hole 8 - - - 0°C ~ 70°C - Active Low - A=B - - - - - - - - - - - 20-PDIP 20-PDIP - - - - Identity Comparator 4.5V ~ 5.5V -
Product image for SN74ALS521N by Texas Instruments
SN74ALS521N
Texas Instruments
3,257
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,200 - -
Partservice 57 - -
$0.50
 - - 2.6mA, 24mA - - - - - - - - - - 20ns @ 5V, 50pF - - - Through Hole 8 - - - 0°C 4.5V Active Low 2.6mA A=B - - - - - - - - - Not Present - 20-PDIP - - - No - Identity Comparator 4.5V ~ 5.5V -
Product image for DM8131N by Rochester Electronics
DM8131N
Rochester Electronics
3,222
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 3,222 - -
$0.50
 - - - - - - - - - - - Dip - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Product image for CD74HC688E by Texas Instruments
CD74HC688E
Texas Instruments
2,978
From Unit Electronics Co.,Limited
Distributor Stock MOQ Country
Unit Electronics Co.,Limited 2,978 - -
Price on request
 - - 8 µA - - - - - - - - - - 29ns @ 6V, 50pF - - - Through Hole 8 - - - -55°C ~ 125°C - Active Low - A=B - - - - - - - - - - - 20-PDIP - - - - - Identity Comparator 2V ~ 6V -
Product image for MC14585BDR2G by On Semiconductor
MC14585BDR2G
Download Datasheet for MC14585BDR2G
On Semiconductor
2,668
Across 3 distributors
Distributor Stock MOQ Country
NTD Electronics 5 - -
Flip Electronics 2,500 - -
Smaxon Electronics 163 - -
$0.50
 - - 20 µA - - - - - - - - Gull Wing - 260ns - - SMD/SMT Surface Mount 4 - - - -55°C / 125°C - Active High 10 mA A<B, A=B, A>B CMOS/TTL - - - 500 mW - - - 430 ns - - 16-SOIC - - - - - Magnitude Comparator 3 Vdc / 18 Vdc -
Product image for SN74LS682DW by Texas Instruments
SN74LS682DW
Texas Instruments
2,572
Across 2 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,568 - -
Bristol Electronics 4 - -
$1.60
 - - 400µA / 24mA - - - - - - - - - - 30ns @ 5V, 45pF - - - Surface Mount 8-Bit - - - 0°C ~ 70°C - Active Low - A=B, A>B - - - - - - - - - - - 20-SOIC - - - - - Magnitude Comparator 4.85V ~ 5.25V -
Product image for 74F521DC by Texas Instruments
74F521DC
Texas Instruments
2,568
From Components Technology Group, Inc.
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,568 - -
$0.50
 - - 1mA, 20mA - - - - - - - - - - 10ns @ 5V, 50pF - - - Surface Mount 8 - - - 0°C ~ 70°C - Active Low - A=B - - - - - - - - - - - - - - - - - - - -
Product image for AM25LS2521PC by Advanced Micro Devices
AM25LS2521PC
Advanced Micro Devices
2,499
Across 3 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 1,600 - -
Fe Components 50 - -
Partservice 849 - -
$0.50
 - - 40 mA - - - - - - - - - - 15ns @ 5V, 15pF - - - Through Hole 8 - - - 0°C ~ 70°C - - - - - 20-DIP - - - - - - - - - 20-PDIP - - - - - Identity Comparator 4.75V ~ 5.25V -
Product image for CD4585BE by Texas Instruments
CD4585BE
Texas Instruments
2,415
Across 3 distributors
Distributor Stock MOQ Country
Partservice 5 - -
Optech Co.,Limited 2,010 - -
Smaxon Electronics 400 - -
$0.49
 - - 100 µA - - - - - - - 2.54 mm Through Hole - 160ns @ 15V, 50pF - - - Through Hole 4 - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - - - 16-PDIP - - - - - Magnitude Comparator 3V ~ 18V -
Product image for SNJ54LS85J by Texas Instruments
SNJ54LS85J
Download Datasheet for SNJ54LS85J
Texas Instruments
2,387
Across 3 distributors
Distributor Stock MOQ Country
Components Technology Group, Inc. 2,356 - -
Speed Components Ltd 4 - -
Partservice 27 - -
$0.50
 - - 88 mA - - - - - - - - - - 35ns @ 5V, 15pF - - - Through Hole 4 - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - Not Present - 16-CDIP - - - - - Magnitude Comparator 4.5V ~ 5.5V -
Product image for MC14585BDG by On Semiconductor
MC14585BDG
Download Datasheet for MC14585BDG
On Semiconductor
2,064
From Flip Electronics
Distributor Stock MOQ Country
Flip Electronics 2,064 - -
$0.50
 - - 20 µA - - - - - - - - - - 260ns @ 15V, 50pF - - - Surface Mount 4-Bit - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - - - 16-SOIC - - - - - Magnitude Comparator 3V ~ 18V -
Product image for CD4585BNSR by Texas Instruments
CD4585BNSR
Texas Instruments
2,055
From Romaks Technologies
Distributor Stock MOQ Country
Romaks Technologies 2,055 - -
$0.31
 - - 100 µA - - - - - - - - - - 160ns @ 15V, 50pF - - - Surface Mount 4 - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - Not Present - 16-SO - - - - - Magnitude Comparator 3V ~ 18V -
Product image for SN74ALS521NSR by Texas Instruments
SN74ALS521NSR
Texas Instruments
1,799
From PROSOFT ELECTRONICS
Distributor Stock MOQ Country
PROSOFT ELECTRONICS 1,799 - -
$1.38
 - - 2.6mA, 24mA - - - - - - - - - - 20ns @ 5V, 50pF - - - Surface Mount 8 - - - 0°C ~ 70°C - Active Low - A=B - - - - - - - - - - - 20-SO 20-SO - - - - Identity Comparator 4.5V ~ 5.5V -
Product image for 74HC85PW,112 by NXP Semiconductors
74HC85PW,112
NXP Semiconductors
1,109
From Tomark Electronics Ltd
Distributor Stock MOQ Country
Tomark Electronics Ltd 1,109 - -
$0.50
 - - - - - - - - - - 0.65 mm Gull Wing - - - - Surface Mount - 4 4 - 16 - - - - - - - - - - - - - - - - - - - - - - - - -
Product image for MM74HC688WM by On Semiconductor
MM74HC688WM
Download Datasheet for MM74HC688WM
On Semiconductor
1,022
Across 2 distributors
Distributor Stock MOQ Country
Speed Components Ltd 1,000 - -
Partservice 22 - -
$0.50
 - - 8 µA - - - - - - - - Gull Wing - 30ns - - - Surface Mount 8 - - - -40°C ~ 85°C 2-6V Active Low - A=B - - - - - - - - - - - 20-SOIC - - - - - Identity Comparator 2V ~ 6V -
Product image for MC1650L by On Semiconductor
MC1650L
On Semiconductor
1,002
From Partservice
Distributor Stock MOQ Country
Partservice 1,002 - -
$0.50
 - - - - - 2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Product image for SN74ALS521DW by Texas Instruments
SN74ALS521DW
Texas Instruments
898
From Hybrid Electronics
Distributor Stock MOQ Country
Hybrid Electronics 898 - -
$1.28
 - - 2.6mA, 24mA - - - - - - - 1.27 mm Gull Wing - 20ns @ 5V, 50pF - - - Surface Mount 8 - - - 0°C ~ 70°C - Active Low - A=B - - - - - - - - - - - 20-SOIC - - - - - Identity Comparator 4.5V ~ 5.5V -
Product image for TLV2393IDR by Texas Instruments
TLV2393IDR
Texas Instruments
535
From Smaxon Electronics
Distributor Stock MOQ Country
Smaxon Electronics 535 - -
$0.50
 - - - - - - - - - - - Gull Wing - - - - - - - - - - - - Bit - - - - - - - - - - - Not Present - - - - - - - - - -
Product image for TL393IP by Texas Instruments
TL393IP
Texas Instruments
495
From Optech Co.,Limited
Distributor Stock MOQ Country
Optech Co.,Limited 495 - -
$0.50
 - - - - - - - - - - 2.54 mm Through Hole 3mm - - - - Surface Mount - - - - - - - - - - - - 0.65mm - - - - - - - - - - - Yes 1mm - - 4.4mm
Product image for 74FCT521ATQG by Renesas
74FCT521ATQG
Renesas
440
From PROSOFT ELECTRONICS
Distributor Stock MOQ Country
PROSOFT ELECTRONICS 440 - -
$0.50
 - - 10 µA - - - - 1.47 mm - - - - 8.7 mm 7.2ns - - - Surface Mount 8 - - - +85°C - Active Low - A=B - - - - - - - - - - - 20-QSOP - - - - - Identity 5.25 V 3.8 mm
Product image for CD74HCT85M by Texas Instruments
CD74HCT85M
Texas Instruments
406
Across 3 distributors
Distributor Stock MOQ Country
MW.FEP S.p.A. 22 - -
Speed Components Ltd 200 - -
Hybrid Electronics 184 - -
$0.63
 - - 8µA - - - No - - - - - - 40ns @ 4.5V, 50pF - - - Surface Mount 4 - - - -55°C ~ 125°C - Active High - A<B, A=B, A>B - - - - - - - - - Not Present - 16-SOIC 16-SOIC - - - - Magnitude Comparator 4.5V ~ 5.5V -
Product image for SN74HC688DWR by Texas Instruments
SN74HC688DWR
Download Datasheet for SN74HC688DWR
Texas Instruments
380
From Partservice
Distributor Stock MOQ Country
Partservice 380 - -
$0.50
 - - 8 µA - - - - - - - - - - 36ns - - - Surface Mount 8 - - - -40°C / 85°C - Active Low ±4mA A=B - - - - - - - - - - - 20-SOIC - - - - - Identity 2V ~ 6V -
Product image for SN74HC688DW by Texas Instruments
SN74HC688DW
Download Datasheet for SN74HC688DW
Texas Instruments
358
Across 2 distributors
Distributor Stock MOQ Country
Braun Electronic Components 126 - -
Smaxon Electronics 232 - -
$0.50
 - - 8 µA - - - - - - - - - - 36ns - - - Surface Mount 8-Bit - - - -40°C - Active Low - A=B - - - - - - - - - - - 20-SOIC - 80μA - - - Identity Comparator 2V -
Showing 1-50 of 516 products

About Comparators

Comparators are essential components in the realm of integrated circuits, particularly within the logic family. These devices are utilized to compare two voltages or currents and output a digital signal indicating which is larger. This functionality is critical in various applications, including signal processing, data conversion, and control systems.

When sourcing comparators, it is vital to consider several important attributes that can impact performance and compatibility with your designs. Key specifications include current ratings, maximum propagation delay at a specified voltage, maximum capacitive load, and the mounting type. Additionally, the number of bits, operating temperature range, output configuration, and the supplier device package are crucial factors to evaluate.

Comparators find applications in new product design and prototyping, production electronics assembly, maintenance and field replacement, as well as engineering evaluation and qualification. They are particularly useful in scenarios where precise voltage comparisons are necessary, enabling efficient decision-making in electronic circuits.

For effective sourcing, prioritize comparing critical specifications first, such as current and maximum propagation delay. It is also advisable to validate the lifecycle status of the components and explore alternate-source options before submitting a request for quotation (RFQ). Ensuring mechanical and electrical compatibility with existing design constraints is essential to minimize sourcing risks.

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