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| PartNumber | SN74LS123NSR | SN74LS123NS | SN74LS123NSR SOP5.2 |
| Description | Monostable Multivibrator Dual retrig monostbl multivibrators | Monostable Multivibrator Dual Retriggerable Mono Multi | |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Monostable Multivibrator | Monostable Multivibrator | - |
| RoHS | Y | Y | - |
| Elements per Chip | 2 | 2 | - |
| Logic Family | LS | HC | - |
| Logic Type | Monostable Multivibrator | Monostable Multivibrator | - |
| Package / Case | SO-16 | SOP-16 | - |
| Supply Current Max | 12 mA | 0.008 mA | - |
| Propagation Delay Time | 56 ns | 250 ns, 50 ns, 43 ns | - |
| High Level Output Current | - 0.4 mA | - 5.2 mA | - |
| Low Level Output Current | 8 mA | 5.2 mA | - |
| Supply Voltage Max | 5.25 V | 6 V | - |
| Supply Voltage Min | 4.75 V | 2 V | - |
| Minimum Operating Temperature | 0 C | - 55 C | - |
| Maximum Operating Temperature | + 70 C | + 125 C | - |
| Packaging | Reel | Tube | - |
| Height | 1.95 mm | 1.58 mm | - |
| Length | 10.3 mm | 9.9 mm | - |
| Series | SN74LS123 | CD74HC4538 | - |
| Width | 5.3 mm | 3.91 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Operating Supply Voltage | 5 V | 2.5 V, 3.3 V, 5 V | - |
| Product Type | Monostable Multivibrator | Monostable Multivibrator | - |
| Factory Pack Quantity | 2000 | 40 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.007079 oz | 0.004998 oz | - |