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| Image | Part # | Manufacturer | Description | Availability | Pricing | Quantity | Mount | Mounting Type | Package / Case | Mounting Feature | Contact Shape | Shell Material | Supplier Device Package | Insert Material | Base Product Number | Contact Sizes | Mfr | Package | Product Status | RoHS | Operating Temperature | Series | Connector Type | Type | Number of Positions | Fastening Type | Contact Type | Voltage - Supply | Orientation | Shielding | Ingress Protection | Output | Shell Finish | Shell Size - Insert | Housing Color | Note | Shell Size, MIL | Number of Bits | Current - Quiescent (Iq) | Current - Output High, Low | Includes | Max Propagation Delay @ V, Max CL | Output Function | Features | Material Flammability Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | Mfr. Part #74AC521SJXTwicea Part #295-521-74AC521SJX | Fairchild |
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| 7
In Stock
| Min.:1 Mult.:1 | - | Free Hanging (In-Line) | 20-SOIC (0.209, 5.30mm Width) | - | Circular | Stainless Steel | 20-SOP | - | TVS06RK | 20 | Amphenol Aerospace Operations | Bulk | Active | - | -65°C ~ 200°C | MIL-DTL-38999 Series III, Tri-Start™ TV | Plug Housing | For Male Pins | 5 | Threaded | Crimp | 2V ~ 6V | N (Normal) | Shielded | Environment Resistant | Active Low | Passivated | 11-5 | Silver | Contacts Not Included | - | 8 | 4 µA | 24mA, 24mA | - | 8.5ns @ 5V, 50pF | A=B | Coupling Nut, Firewall Usage, Self Locking | - | |
| 74AC521SJX | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74F521SCTwicea Part #295-521-74F521SC | Fairchild |
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| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.295, 7.50mm Width) | - | - | - | 20-SOIC | - | 74F521 | - | Fairchild Semiconductor | Tube | Obsolete | - | 0°C ~ 70°C | 74F | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 1mA, 20mA | - | 10ns @ 5V, 50pF | A=B | - | - | ||
| 74F521SC | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DM74ALS521WMXTwicea Part #295-521-DM74ALS521WMX | Fairchild |
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| 975
In Stock
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.295, 7.50mm Width) | - | - | - | 20-SOIC | - | 74ALS521 | - | Fairchild Semiconductor | Bulk | Obsolete | - | 0°C ~ 70°C | 74ALS | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 2.6mA, 24mA | - | 20ns @ 5V, 50pF | A=B | - | - | |
| DM74ALS521WMX | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74ACT521MTCTwicea Part #295-521-74ACT521MTC | Fairchild |
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| 235
In Stock
| Min.:1 Mult.:1 | - | Surface Mount | 20-TSSOP (0.173, 4.40mm Width) | - | - | - | 20-TSSOP | - | 74ACT521 | - | Fairchild Semiconductor | Tube | Obsolete | - | -40°C ~ 85°C | 74ACT | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | 4 µA | 24mA, 24mA | - | 10ns @ 5V, 50pF | A=B | - | - | |
| 74ACT521MTC | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DM74ALS520NTwicea Part #295-521-DM74ALS520N | Fairchild |
IDENTITY COMPARATOR
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| 39
In Stock
| Min.:1 Mult.:1 | - | Through Hole | 20-DIP (0.300, 7.62mm) | - | - | - | 20-PDIP | - | 74ALS520 | - | Fairchild Semiconductor | Tube | Obsolete | - | 0°C ~ 70°C | 74ALS | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 2.6mA, 24mA | - | 20ns @ 5V, 50pF | A=B | - | - | |
| DM74ALS520N | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74F521SJXTwicea Part #295-521-74F521SJX | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.209, 5.30mm Width) | - | - | - | 20-SOP | - | 74F521 | - | Fairchild Semiconductor | Bulk | Obsolete | - | 0°C ~ 70°C | 74F | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 1mA, 20mA | - | 10ns @ 5V, 50pF | A=B | - | - | ||
| 74F521SJX | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74AC520PCTwicea Part #295-521-74AC520PC | Fairchild |
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| Min.:1 Mult.:1 | - | Through Hole | 20-DIP (0.300, 7.62mm) | - | - | - | 20-PDIP | - | 74AC520 | - | Fairchild Semiconductor | Tube | Obsolete | - | -40°C ~ 85°C | 74AC | - | Identity Comparator | - | - | - | 2V ~ 6V | - | - | - | Active Low | - | - | - | - | - | 8 | 4 µA | 24mA, 24mA | - | 9ns @ 5V, 50pF | A=B | - | - | ||
| 74AC520PC | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #MM74C85NTwicea Part #295-521-MM74C85N | Fairchild |
MAGNITUDE COMPARATOR
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| Min.:1 Mult.:1 | - | Through Hole | 16-DIP (0.300, 7.62mm) | - | - | - | 16-PDIP | - | 74HC85 | - | Fairchild Semiconductor | Tube | Obsolete | - | -55°C ~ 125°C | 74C | - | Magnitude Comparator | - | - | - | 3V ~ 15V | - | - | - | Active Low | - | - | - | - | - | 4 | - | 15mA, 16mA | - | 300ns @ 10V, 50pF | A<B, A=B, A>B | - | - | ||
| MM74C85N | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #MM74HC688SJTwicea Part #295-521-MM74HC688SJ | Fairchild |
MAGNITUDE COMPARATOR
Datasheet
Compare
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.209, 5.30mm Width) | - | - | - | 20-SOP | - | 74HC688 | - | Fairchild Semiconductor | Tube | Obsolete | - | -40°C ~ 85°C | 74HC | - | Identity Comparator | - | - | - | 2V ~ 6V | - | - | - | Active Low | - | - | - | - | - | 8 | 8 µA | 5.2mA, 5.2mA | - | 30ns @ 6V, 50pF | A=B | - | - | ||
| MM74HC688SJ | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #MM74HC688WMXTwicea Part #295-521-MM74HC688WMX | Fairchild |
MAGNITUDE COMPARATOR
Datasheet
Compare
| 294
In Stock
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.295, 7.50mm Width) | - | - | - | 20-SOIC | - | 74HC688 | - | Fairchild Semiconductor | Bulk | Obsolete | - | -40°C ~ 85°C | 74HC | - | Identity Comparator | - | - | - | 2V ~ 6V | - | - | - | Active Low | - | - | - | - | - | 8 | 8 µA | 5.2mA, 5.2mA | - | 30ns @ 6V, 50pF | A=B | - | - | |
| MM74HC688WMX | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DM74ALS520WMXTwicea Part #295-521-DM74ALS520WMX | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.295, 7.50mm Width) | - | - | - | 20-SOIC | - | 74ALS520 | - | Fairchild Semiconductor | Bulk | Obsolete | - | 0°C ~ 70°C | 74ALS | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 2.6mA, 24mA | - | 20ns @ 5V, 50pF | A=B | - | - | ||
| DM74ALS520WMX | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74F521SCXTwicea Part #295-521-74F521SCX | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| 93
In Stock
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.295, 7.50mm Width) | - | - | - | 20-SOIC | - | 74F521 | - | Fairchild Semiconductor | Bulk | Obsolete | - | 0°C ~ 70°C | 74F | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 1mA, 20mA | - | 10ns @ 5V, 50pF | A=B | - | - | |
| 74F521SCX | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74F521-PCTwicea Part #295-521-74F521-PC | Fairchild |
IDENTITY COMPARATOR
Datasheet
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| 2800
In Stock
| Min.:1 Mult.:1 | - | Through Hole | 20-DIP (0.300, 7.62mm) | - | - | - | 20-PDIP | - | 74F521 | - | Fairchild Semiconductor | Tube | Obsolete | - | 0°C ~ 70°C | 74F | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 1mA, 20mA | - | 10ns @ 5V, 50pF | A=B | - | - | |
| 74F521-PC | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #MM74HC688MTCTwicea Part #295-521-MM74HC688MTC | Fairchild |
MAGNITUDE COMPARATOR
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Compare
| Min.:1 Mult.:1 | Rack | Surface Mount | 20-TSSOP (0.173, 4.40mm Width) | - | - | - | 20-TSSOP | - | 74HC688 | - | Fairchild Semiconductor | Tube | Obsolete | Non-Compliant | -40°C ~ 85°C | 74HC | - | Identity Comparator | - | - | - | 2V ~ 6V | - | - | - | Active Low | - | - | - | - | - | 8 | 8 µA | 5.2mA, 5.2mA | - | 30ns @ 6V, 50pF | A=B | - | - | ||
| MM74HC688MTC | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74ACT521SJTwicea Part #295-521-74ACT521SJ | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.209, 5.30mm Width) | - | - | - | 20-SOP | - | 74ACT521 | - | Fairchild Semiconductor | Tube | Obsolete | - | -40°C ~ 85°C | 74ACT | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | 4 µA | 24mA, 24mA | - | 10ns @ 5V, 50pF | A=B | - | - | ||
| 74ACT521SJ | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DM74ALS521NTwicea Part #295-521-DM74ALS521N | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| 198
In Stock
| Min.:1 Mult.:1 | - | Through Hole | 20-DIP (0.300, 7.62mm) | - | - | - | 20-PDIP | - | 74ALS521 | - | Fairchild Semiconductor | Tube | Obsolete | - | 0°C ~ 70°C | 74ALS | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 2.6mA, 24mA | - | 20ns @ 5V, 50pF | A=B | - | - | |
| DM74ALS521N | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74ACT521MTCXTwicea Part #295-521-74ACT521MTCX | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| Min.:1 Mult.:1 | - | Surface Mount | 20-TSSOP (0.173, 4.40mm Width) | - | - | - | 20-TSSOP | - | 74ACT521 | - | Fairchild Semiconductor | Bulk | Obsolete | - | -40°C ~ 85°C | 74ACT | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | 4 µA | 24mA, 24mA | - | 10ns @ 5V, 50pF | A=B | - | - | ||
| 74ACT521MTCX | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74F521SJTwicea Part #295-521-74F521SJ | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.209, 5.30mm Width) | - | - | - | 20-SOP | - | 74F521 | - | Fairchild Semiconductor | Tube | Obsolete | - | 0°C ~ 70°C | 74F | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 1mA, 20mA | - | 10ns @ 5V, 50pF | A=B | - | - | ||
| 74F521SJ | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DM74ALS521WMTwicea Part #295-521-DM74ALS521WM | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.295, 7.50mm Width) | - | - | - | 20-SOIC | - | 74ALS521 | - | Fairchild Semiconductor | Tube | Obsolete | - | 0°C ~ 70°C | 74ALS | - | Identity Comparator | - | - | - | 4.5V ~ 5.5V | - | - | - | Active Low | - | - | - | - | - | 8 | - | 2.6mA, 24mA | - | 20ns @ 5V, 50pF | A=B | - | - | ||
| DM74ALS521WM | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #74AC521SJTwicea Part #295-521-74AC521SJ | Fairchild |
IDENTITY COMPARATOR
Datasheet
Compare
| Min.:1 Mult.:1 | - | Surface Mount | 20-SOIC (0.209, 5.30mm Width) | - | - | - | 20-SOP | - | 74AC521 | - | Fairchild Semiconductor | Tube | Obsolete | - | -40°C ~ 85°C | 74AC | - | Identity Comparator | - | - | - | 2V ~ 6V | - | - | - | Active Low | - | - | - | - | - | 8 | 4 µA | 24mA, 24mA | - | 8.5ns @ 5V, 50pF | A=B | - | - | ||
| 74AC521SJ |
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