| Part Numbers | Manufacturer Name | Datasheet | Logic Type | Number of Circuits | Number of Inputs | Voltage - Supply | Current - Output High, Low | Logic Level - Low | Logic Level - High | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM74ALS20AN | FAIRCHILD SEMICONDUCTOR CORP | NAND Gate | 2 | 4 | 4.5 V ~ 5.5 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Through Hole | 14-DIP (0.300", 7.62mm) | |
| DM74ALS21AM | FAIRCHILD SEMICONDUCTOR CORP | AND Gate | 2 | 4 | 4.5 V ~ 5.5 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| DM74ALS20AM | FAIRCHILD SEMICONDUCTOR CORP | NAND Gate | 2 | 4 | 4.5 V ~ 5.5 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| DM74ALS21AN | FAIRCHILD SEMICONDUCTOR CORP | AND Gate | 2 | 4 | 4.5 V ~ 5.5 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Through Hole | 14-DIP (0.300", 7.62mm) | |
| DM74ALS20AMX | FAIRCHILD SEMICONDUCTOR CORP | NAND Gate | 2 | 4 | 4.5 V ~ 5.5 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| DM74ALS21AMX | FAIRCHILD SEMICONDUCTOR CORP | AND Gate | 2 | 4 | 4.5 V ~ 5.5 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| SN74ALS21ADR | TEXAS INSTRUMENTS INC | AND Gate | 2 | 4 | 4.5 V ~ 5.5 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| SN74ALS20ADR | TEXAS INSTRUMENTS INC | NAND Gate | 2 | 4 | 4.5 V ~ 5.5 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| SN74LS21D | TEXAS INSTRUMENTS INC | AND Gate | 2 | 4 | 4.75 V ~ 5.25 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) | |
| SN74LS20D | TEXAS INSTRUMENTS INC | NAND Gate | 2 | 4 | 4.75 V ~ 5.25 V | 400?A, 8mA | 0.8V | 2V | 0?C ~ 70?C | Surface Mount | 14-SOIC (0.154", 3.90mm Width) |
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