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| PartNumber | SN74LS21NSR | SN74LS21NS | SN74LS21NSRG4 |
| Description | Logic Gates Dual 4-input Positive-AND Gates | Logic Gates Dual 4-Input Positive-AND Gate | Logic Gates Dual 4 input pos AND gates |
| Manufacturer | Texas Instruments | ON Semiconductor | - |
| Product Category | Logic Gates | Logic Gates | - |
| RoHS | Y | Y | - |
| Product | Single-Function Gate | Single-Function Gate | - |
| Logic Function | AND | AND | - |
| Logic Family | LS | - | - |
| Number of Gates | 2 Gate | 1 Gate | - |
| Number of Input Lines | 4 Input | 2 Input | - |
| Number of Output Lines | 1 Output | 1 Output | - |
| High Level Output Current | - 0.4 mA | - 32 mA | - |
| Low Level Output Current | 8 mA | 32 mA | - |
| Propagation Delay Time | 15 ns | 2.7 ns | - |
| Supply Voltage Max | 5.25 V | 5.5 V | - |
| Supply Voltage Min | 4.75 V | 1.65 V | - |
| Minimum Operating Temperature | 0 C | - 55 C | - |
| Maximum Operating Temperature | + 70 C | + 125 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SO-14 | SC-88A-5 | - |
| Packaging | Reel | Reel | - |
| Function | AND | - | - |
| Height | 1.95 mm | - | - |
| Input Type | TTL | - | - |
| Length | 10.3 mm | - | - |
| Operating Temperature Range | 0 C to + 70 C | - 55 C to + 125 C | - |
| Output Type | TTL | - | - |
| Series | SN74LS21 | - | - |
| Width | 5.3 mm | - | - |
| Brand | Texas Instruments | ON Semiconductor | - |
| Logic Type | 4-Input AND | - | - |
| Number of Bits | 2 bit | - | - |
| Operating Supply Current | 2.5 uA | - | - |
| Operating Supply Voltage | 5 V | - | - |
| Product Type | Logic Gates | Logic Gates | - |
| Factory Pack Quantity | 2000 | 3000 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.007348 oz | - | - |
| Output Voltage | - | 5.5 V | - |
| Pd Power Dissipation | - | 190 mW | - |