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| PartNumber | SN74LS641DWRE4 | SN74LS641DWR | SN74LS641DWR2 |
| Description | Bus Transceivers Octal bus Xcvr | Bus Transceivers Octal bus transceivers with open collector outputs 20-SOIC 0 to 70 | Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20 |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Bus Transceivers | Bus Transceivers | - |
| RoHS | Y | - | - |
| Logic Family | LS | LS | - |
| Input Level | TTL | TTL | - |
| Output Level | TTL | TTL | - |
| Output Type | Open Collector | Open Collector | - |
| High Level Output Current | - 15 mA | - 15 mA | - |
| Low Level Output Current | 24 mA | 24 mA | - |
| Propagation Delay Time | 25 ns | 25 ns | - |
| Supply Voltage Max | 5.25 V | 5.25 V | - |
| Supply Voltage Min | 4.75 V | 4.75 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Package / Case | SOIC-20 | SOIC-20 | - |
| Packaging | Reel | - | - |
| Function | Bus Transceiver | Bus Transceiver | - |
| Height | 2.35 mm | 2.35 mm | - |
| Length | 12.8 mm | 12.8 mm | - |
| Number of Circuits | 8 | 8 | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Product | Standard Transceiver | Standard Transceiver | - |
| Series | SN74LS641 | SN74LS641 | - |
| Technology | Bipolar | Bipolar | - |
| Width | 7.52 mm | 7.52 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of Channels | 8 | 8 | - |
| Operating Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | - |
| Polarity | Non-Inverting | Non-Inverting | - |
| Product Type | Bus Transceivers | Bus Transceivers | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.017662 oz | 0.017662 oz | - |