The 74HCT390 is a 4-bit counter integrated circuit from NXP, packaged in a surface mount SSOP package. It operates over a temperature range of -40°C to 125°C and can be supplied with voltages between 4.5V and 5.5V. The counter has a unidirectional, up-counting configuration and features a negative edge trigger. The device has a low quiescent current of 8uA and can be reset asynchronously. The 74HCT390 is compliant with the 74HCT series of logic functions.
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NXP 74HCT390DB112 technical specifications.
| Package/Case | SSOP |
| Clock Edge Trigger Type | Negative Edge |
| Contact Plating | Gold |
| Direction | Up, Unidirectional |
| Logic Function | Counter |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Number of Bits | 4 |
| Number of Bits per Element | 4 |
| Number of Elements | 2 |
| Package Quantity | 78 |
| Packaging | Rail/Tube |
| Quiescent Current | 8uA |
| Reset | Asynchronous |
| Series | 74HCT |
| RoHS | Compliant |
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