Dual 4-bit decade counters featuring negative edge clock triggering and asynchronous reset. These surface-mount logic ICs operate from a 4.75V to 5.25V supply, supporting frequencies up to 35MHz. Each of the two 4-bit counter elements offers unidirectional up-counting functionality. Packaged in a 16-SOIC case, these RoHS compliant components are designed for operation between 0°C and 70°C.
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Texas Instruments SN74LS390D technical specifications.
| Package/Case | SOIC |
| Clock Edge Trigger Type | Negative Edge |
| Direction | Up, Unidirectional |
| Frequency | 35MHz |
| Height | 1.5mm |
| Lead Free | Lead Free |
| Length | 10mm |
| 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 | 2 |
| Package Quantity | 40 |
| Packaging | Rail/Tube |
| Reach SVHC Compliant | No |
| Reset | Asynchronous |
| RoHS Compliant | Yes |
| Series | 74LS |
| Weight | 0.004998oz |
| Width | 4mm |
| RoHS | Compliant |
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