| Part Numbers | Manufacturer Name | Datasheet | Number of Bits | Output | Output Function | Voltage - Supply | Current - Output High, Low | Max Propagation Delay @ V, Max CL | Current - Quiescent | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74F521PC | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0?C ~ 70?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| 74F524PC | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active High | A<B, A=B, A>B | 4.5 V ~ 5.5 V | 3mA, 24mA | 25ns @ 5V, 50pF | - | 0?C ~ 70?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| DM74ALS521N | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0?C ~ 70?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| DM74ALS520N | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0?C ~ 70?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| 74ACT520PC | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 24mA, 24mA | 10ns @ 5V, 50pF | 4?A | -40?C ~ 85?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| 74ACT521PC | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 24mA, 24mA | 10ns @ 5V, 50pF | 4?A | -40?C ~ 85?C | Through Hole | 20-DIP (0.300", 7.62mm) |
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