| PartNumber | SN74LS221N | SN74LS221NE4 | SN74LS221NG4 |
| Description | Monostable Multivibrator Dual w/Schmitt-trgr inputs | Monostable Multivibrator Dual w/Schmitt-trgr inputs | IC DUAL MONO MULTIVIB 16-DIP |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Monostable Multivibrator | Monostable Multivibrator | - |
| RoHS | Y | Y | - |
| Elements per Chip | 2 | 2 | - |
| Logic Family | LS | LS | - |
| Logic Type | Monostable Multivibrator | Monostable Multivibrator | - |
| Package / Case | PDIP-16 | PDIP-16 | - |
| Supply Current Max | 4.7 mA | 4.7 mA | - |
| Propagation Delay Time | 80 ns | 80 ns | - |
| High Level Output Current | - 0.4 mA | - 0.4 mA | - |
| Low Level Output Current | 8 mA | 8 mA | - |
| Supply Voltage Max | 5.25 V | 5.25 V | - |
| Supply Voltage Min | 4.75 V | 4.75 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Tube | Tube | - |
| Height | 4.57 mm | 4.57 mm | - |
| Length | 19.3 mm | 19.3 mm | - |
| Series | SN74LS221 | SN74LS221 | - |
| Width | 6.35 mm | 6.35 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | Through Hole | Through Hole | - |
| Operating Supply Voltage | 5 V | 5 V | - |
| Product Type | Monostable Multivibrator | Monostable Multivibrator | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.033570 oz | 0.033570 oz | - |