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| PartNumber | SN74ALS20AD | SN74ALS20ADBR | SN74ALS20ADB |
| Description | Logic Gates Dual 4 Input | Logic Gates Dual 4-Input Positive-NAND gates | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Logic Gates | Logic Gates | - |
| RoHS | Y | Y | - |
| Product | Single-Function Gate | Single-Function Gate | - |
| Logic Function | NAND | NAND | - |
| Logic Family | ALS | 74ALS | - |
| Number of Gates | 2 Gate | 2 Gate | - |
| Number of Input Lines | 4 Input | 4 Input | - |
| Number of Output Lines | 1 Output | 1 Output | - |
| High Level Output Current | - 8 mA | - 0.4 mA | - |
| Low Level Output Current | 0.4 mA | 8 mA | - |
| Propagation Delay Time | 11 ns | 11 ns | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-14 | SSOP-14 | - |
| Packaging | Tube | Reel | - |
| Function | NAND | NAND | - |
| Height | 1.58 mm | 1.95 mm | - |
| Input Type | TTL | - | - |
| Length | 8.65 mm | 6.2 mm | - |
| Operating Temperature Range | 0 C to + 70 C | - | - |
| Output Type | TTL | - | - |
| Series | SN74ALS20A | - | - |
| Width | 3.91 mm | 5.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | 4-Input NAND | 4-Input NAND | - |
| Number of Bits | 2 bit | - | - |
| Operating Supply Current | 1.5 uA | - | - |
| Operating Supply Voltage | 5 V | 4.5 V to 5.5 V | - |
| Product Type | Logic Gates | Logic Gates | - |
| Factory Pack Quantity | 50 | 1 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.004564 oz | 0.004296 oz | - |