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| PartNumber | SN74ALS20ADBRG4 | SN74ALS20ADBR | SN74ALS20ADBRE4 |
| Description | Logic Gates Dual 4 Input Pos NAND Gates | Logic Gates Dual 4-Input Positive-NAND gates | Logic Gates Dual 4-Input Positive-NAND gates |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Logic Gates | Logic Gates | Logic Gates |
| RoHS | Y | Y | Y |
| Product | Single-Function Gate | Single-Function Gate | Single-Function Gate |
| Logic Function | NAND | NAND | NAND |
| Logic Family | ALS | 74ALS | 74ALS |
| Number of Gates | 2 Gate | 2 Gate | 2 Gate |
| Number of Input Lines | 4 Input | 4 Input | 4 Input |
| Number of Output Lines | 1 Output | 1 Output | 1 Output |
| High Level Output Current | - 0.4 mA | - 0.4 mA | - 0.4 mA |
| Low Level Output Current | 8 mA | 8 mA | 8 mA |
| Propagation Delay Time | 11 ns | 11 ns | 11 ns |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SSOP-14 | SSOP-14 | SSOP-14 |
| Packaging | Reel | Reel | Reel |
| Function | NAND | NAND | NAND |
| Height | 1.95 mm | 1.95 mm | 1.95 mm |
| Length | 6.2 mm | 6.2 mm | 6.2 mm |
| Width | 5.3 mm | 5.3 mm | 5.3 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Logic Type | Bipolar | 4-Input NAND | 4-Input NAND |
| Operating Supply Voltage | 5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Product Type | Logic Gates | Logic Gates | Logic Gates |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Logic ICs | Logic ICs | Logic ICs |
| Unit Weight | 0.004296 oz | 0.004296 oz | 0.004296 oz |