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| Part Number | SN74LS123DR | SN74LS423DR | SN74LS122DR | SN74LS123D | SN74LS123DB | SN74LS123DBR |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Obsolete | Active | Active | Active | Active |
| Logic Type | Monostable | Monostable | Monostable | Monostable | - | Monostable |
| Independent Circuits | 2 | 2 | 1 | 2 | - | 2 |
| Schmitt Trigger Input | No | No | No | No | - | No |
| Propagation Delay | 28 ns | 28 ns | 28 ns | 28 ns | - | 34 ns |
| Current - Output High, Low | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA | - | 400µA, 8mA |
| Voltage - Supply | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V | - | 4.75 V ~ 5.25 V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | - | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | - | 16-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 16-SOIC | 16-SOIC | 14-SOIC | 16-SOIC | - | 16-SSOP |
