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| Part Number | SN74LS251N | SN74LS253N | SN74LS251NS | SN74LS251N3 | SN74LS151N | SN74LS251D | SN74LS251M |
|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Motorola | Motorola |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
| Type | Multiplexer | Multiplexer | - | - | Multiplexer | Multiplexer | - |
| Circuit | 1 x 8:1 | 2 x 4:1 | - | - | 1 x 8:1 | 1 x 8:1 | - |
| Independent Circuits | 1 | 1 | - | - | 1 | 1 | - |
| Current - Output High, Low | 2.6mA, 8mA | 2.6mA, 8mA | - | - | 400µA, 8mA | 2.6mA, 8mA | - |
| Voltage Supply Source | Single Supply | Single Supply | - | - | Single Supply | Single Supply | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | - | - | 4.75V ~ 5.25V | 4.75V ~ 5.25V | - |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | - | - | 0°C ~ 70°C | 0°C ~ 70°C | - |
| Mounting Type | Through Hole | Through Hole | - | - | Through Hole | Surface Mount | - |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | - | - | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | - |
| Supplier Device Package | 16-PDIP | 16-PDIP | - | - | 16-PDIP | 16-SOIC | - |
