| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MM74C85N | FAIRCHILD SEMICONDUCTOR CORP | 4 | Active Low | A<B, A=B, A>B | 3 V ~ 15 V | 15mA, 16mA | 300ns @ 10V, 50pF | - | -55?C ~ 125?C | Through Hole | 16-DIP (0.300", 7.62mm) | |
| MM74HC688N | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 2 V ~ 6 V | 5.2mA, 5.2mA | 30ns @ 6V, 50pF | 8?A | -40?C ~ 85?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| 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) | |
| 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) | |
| DM74ALS520WM | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0?C ~ 70?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| 74F521SC | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0?C ~ 70?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| 74AC521PC | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 2 V ~ 6 V | 24mA, 24mA | 8.5ns @ 5V, 50pF | 4?A | -40?C ~ 85?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| 74AC521SC | FAIRCHILD SEMICONDUCTOR CORP | 8 | Active Low | A=B | 2 V ~ 6 V | 24mA, 24mA | 8.5ns @ 5V, 50pF | 4?A | -40?C ~ 85?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| 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) |
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