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| PartNumber | SN74121NS | SN74121NSR | SN74121NSRE4 |
| Description | IC MONOSTABLE MULTIVIB 14SO | IC MONOSTABLE MULTIVIB 14SO | |
| Manufacturer | Texas Instruments | - | - |
| Product Category | Logic - Multivibrators | - | - |
| Series | 7400 | - | - |
| Packaging | Tape & Reel (TR) | - | - |
| Package Case | 14-SOIC (0.209", 5.30mm Width) | - | - |
| Operating Temperature | 0°C ~ 70°C | - | - |
| Mounting Type | Surface Mount | - | - |
| Voltage Supply | 4.75 V ~ 5.25 V | - | - |
| Supplier Device Package | 14-SO | - | - |
| Current Output High Low | 400μA, 16mA | - | - |
| Logic Type | Monostable | - | - |
| Schmitt Trigger Input | No | - | - |
| Independent Circuits | 2 | - | - |
| Propagation Delay | 45ns | - | - |