onsemi DM74ALS521N Comparators Logic
Magnitude Comparator Bit Active Low Output A=B 20-PDIP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
DM74ALS521N
Detailed Description
IC COMPARATOR IDENTITY 8B 20DIP
Package
20-DIP (0.300", 7.62mm)
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
DM74ALS521N Datasheet
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Technical Specifications
onsemi DM74ALS521N Comparators Logic technical specifications.
General
Series
74ALS
Package / Case
20-DIP
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C
Supply Voltage
4.5V ~ 5.5V
Lifecycle Status
Obsolete
Type
Identity Comparator
Output
Active Low
Number of Bits
8
Current Output High Low
2.6mA, 24mA
Alternate Parts Comparison (DM74ALS521N vs DM74ALS564AWMX vs DM74AS374N vs DM74ALS174M)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-DIP | 20-SOIC | 20-DIP | 16-SOIC |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current Output High Low | 2.6mA, 24mA | 2.6mA, 24mA | 15mA, 48mA | 400µA, 8mA |
| Max Propagation Delay V Max Cl | 20ns @ 5V, 50pF | 14ns @ 5V, 50pF | 9ns @ 5V, 50pF | 17ns @ 5V, 50pF |
| Type | Identity Comparator | D-Type | D-Type | D-Type |
| Function | -- | Standard | Standard | Master Reset |
| Max Frequency | -- | 30 MHz | 125 MHz | 50 MHz |
| Number of Bits Per Element | -- | 8 | 8 | 6 |
| Number of Elements | -- | 1 | 1 | 1 |
| Output Type | -- | Tri-State, Non-Inverted | Tri-State, Non-Inverted | Non-Inverted |
| Action |
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