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Texas Instruments 
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SN74LS642-1DW的详细信息
| Manufacturer： | Texas Instruments |
|---|---|
| Product Category： | Bus Transceivers |
| RoHS： | Yes |
| Brand： | Texas Instruments |
| Logic Type： | Standard Transceiver |
| Logic Family： | LS |
| Number of Channels per Chip： | 8 |
| Input Level： | TTL |
| Output Level： | TTL |
| Output Type： | Open Collector |
| High Level Output Current： | - 15 mA |
| Low Level Output Current： | 48 mA |
| Propagation Delay Time： | 25 ns |
| Supply Voltage - Max： | 5.25 V |
| Supply Voltage - Min： | 4.75 V |
| Maximum Operating Temperature： | + 70 C |
| Package / Case： | SOIC-20 |
| Packaging： | Tube |
| Function： | Bus Transceiver |
| Minimum Operating Temperature： | 0 C |
| Mounting Style： | SMD/SMT |
| Number of Circuits： | 8 |
| Polarity： | Inverting |
| Series： | SN74LS642 |
| Factory Pack Quantity： | 25 |
| Unit Weight： | 500.700 mg |
SN74LS642-1DW应用笔记
- Designing with the SN54/74LS123 (Rev. A)
- TI IBIS File Creation, Validation, and Distribution Processes
- Designing With Logic (Rev. C)
- Shelf-Life Evaluation of Lead-Free Component Finishes
- Input and Output Characteristics of Digital Integrated Circuits
- Understanding and Interpreting Standard-Logic Data Sheets (Rev. B)
- Live Insertion
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