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| Part Number | SN74LS240N3 | SN74LS240NS | SN74LS245N3 | SN74LS240N |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | onsemi |
| Product Status | Active | Active | Active | Obsolete |
| Logic Type | - | Buffer, Inverting | - | Buffer, Inverting |
| Number of Elements | - | 2 | - | 2 |
| Number of Bits per Element | - | 4 | - | 4 |
| Input Type | - | - | - | - |
| Output Type | - | 3-State | - | 3-State |
| Current - Output High, Low | - | 15mA, 24mA | - | 15mA, 24mA |
| Voltage - Supply | - | 4.75V ~ 5.25V | - | 4.75V ~ 5.25V |
| Operating Temperature | - | 0°C ~ 70°C (TA) | - | 0°C ~ 70°C (TA) |
| Mounting Type | - | Surface Mount | - | Through Hole |
| Package / Case | - | 20-SOIC (0.209", 5.30mm Width) | - | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | - | 20-SO | - | 20-PDIP |
