4-bit asynchronous decade counter, negative edge triggered, with a maximum operating frequency of 42MHz and a propagation delay of 50ns. Features asynchronous reset and operates from a 4.75V to 5.25V supply voltage. Packaged in a 14-pin SOIC surface mount configuration, this bipolar logic IC is supplied on tape and reel.
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Texas Instruments SN74LS90DRE4 technical specifications.
| Package/Case | SOIC |
| Clock Edge Trigger Type | Negative Edge |
| Direction | Up, Unidirectional |
| Frequency | 42MHz |
| Lead Free | Contains Lead |
| Logic Function | Counter |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Supply Voltage | 5.25V |
| Min Supply Voltage | 4.75V |
| Mount | Surface Mount |
| Number of Bits | 4 |
| Number of Bits per Element | 4 |
| Number of Elements | 1 |
| Operating Supply Voltage | 5V |
| Package Quantity | 2500 |
| Packaging | Tape and Reel |
| Propagation Delay | 50ns |
| Radiation Hardening | No |
| Reset | Asynchronous |
| RoHS Compliant | Yes |
| Series | 74LS |
| Technology | BIPOLAR |
| Weight | 0.004564oz |
| RoHS | Compliant |
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