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| Part Number | SN74LS640-1NS | SN74LS640-1NSR | SN74LS640-1N |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active |
| Logic Type | - | Transceiver, Inverting | Transceiver, Inverting |
| Number of Elements | - | 1 | 1 |
| Number of Bits per Element | - | 8 | 8 |
| Input Type | - | - | - |
| Output Type | - | 3-State | 3-State |
| Current - Output High, Low | - | 15mA, 48mA | 15mA, 48mA |
| 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 |
