Octal bus transceiver, featuring 8 bidirectional channels with inverting logic and open collector outputs. This through-hole mounted component operates from a 4.75V to 5.25V supply, with a typical 5V operating voltage. It offers a high level output current of 24mA and a low level output current of 24mA. The transceiver has a propagation delay of 60ns and a turn-on delay time of 25ns, with an operating temperature range of 0°C to 70°C. Packaged in a 20-pin PDIP, this RoHS compliant component is constructed with bipolar technology.
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Texas Instruments SN74LS642N technical specifications.
| Package/Case | PDIP |
| Direction | Bidirectional |
| Height | 4.57mm |
| High Level Output Current | 24mA |
| Lead Free | Lead Free |
| Length | 24.33mm |
| Logic Function | Transceiver, Inverting |
| Low Level Output Current | 24mA |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Supply Voltage | 5.25V |
| Min Supply Voltage | 4.75V |
| Mount | Through Hole |
| Number of Bits | 8 |
| Number of Bits per Element | 8 |
| Number of Channels | 8 |
| Number of Circuits | 8 |
| Number of Elements | 1 |
| Number of Outputs | 8 |
| Operating Supply Voltage | 5V |
| Package Quantity | 20 |
| Packaging | Rail/Tube |
| Polarity | Inverting |
| Propagation Delay | 60ns |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | 74LS |
| Technology | BIPOLAR |
| Termination | Through Hole |
| Turn-On Delay Time | 25ns |
| Weight | 0.042297oz |
| Width | 6.35mm |
| RoHS | Compliant |
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