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| Part Number | SN74LS644-1N3 | SN74LS641-1N3 | SN74LS644-1N |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active |
| Logic Type | - | Transceiver, Non-Inverting | Transceiver, Inverting |
| Number of Elements | - | 1 | 1 |
| Number of Bits per Element | - | 8 | 8 |
| Input Type | - | - | - |
| Output Type | - | Open Collector | Open Collector |
| Current - Output High, Low | - | 100µA, 24mA | 100µA, 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 | - | Through Hole | Through Hole |
| Package / Case | - | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | - | 20-PDIP | 20-PDIP |