Octal bus transceiver featuring 8 bidirectional, 3-state outputs. This inverting logic transceiver operates with a 5V supply voltage (4.75V to 5.25V) and offers 24mA high-level and 15mA low-level output current. Designed for through-hole mounting in a 20-pin PDIP package, it supports a 0°C to 70°C operating temperature range. Key specifications include an 11ns propagation delay and 24ns turn-on delay.
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Texas Instruments SN74ALS640B-1N technical specifications.
| Package/Case | PDIP |
| Direction | Bidirectional |
| High Level Output Current | 24mA |
| Lead Free | Lead Free |
| Logic Function | Transceiver, Inverting |
| Low Level Output Current | 15mA |
| 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 |
| Output Type | 3-STATE |
| Package Quantity | 20 |
| Packaging | Rail/Tube |
| Polarity | Inverting |
| Propagation Delay | 11ns |
| Radiation Hardening | No |
| RoHS Compliant | Yes |
| Series | 74ALS |
| Technology | BIPOLAR |
| Turn-On Delay Time | 24ns |
| Weight | 0.042297oz |
| RoHS | Compliant |
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