The document introduces a SMD product with a size of 5 x 3.2 mm, which is a 40.000 MHz clock oscillator. The product is RoHS compliant and lead-free. It has a temperature stability of ±50 PPM, an annual aging rate of ±3 PPM, an operating temperature range of -40 to +85 degrees Celsius, and a storage temperature range of -55 to +125 degrees Celsius. The supply voltage is 3.3V with a supply current of 20 mA. The logic high output voltage (Voh) is 90% Vdc minimum, and the logic low output voltage (Vol) is 10% Vdc maximum. The output symmetry is 40 to 60%, and the output load is 15 pF. The HCMOS rise and fall time is 10 ns. It has a tri-state enable-disable function.
The Aker 40.000 MHz clock oscillator is a 5 × 3.2 mm SMD device designed for precise timing applications. It complies with RoHS standards and is lead‑free.
The document lists detailed electrical specifications such as supply voltage, output levels, and timing performance, as well as mechanical dimensions and temperature operating ranges. This manual is written in Chinese.
| Nominal Frequency | 40.000 MHz |
|---|---|
| Temperature Stability | ±50 PPM |
| Max Aging per Year | ±3 % (approx.) |
| Operating Temperature Range (Extended) | -40 °C to +85 °C |
| Supply Voltage | 3.3 V ± 5 % DC |
| Supply Current | 20 mA max |
| Logic High (Voh) | ≥ 90 % Vdc |
| Logic Low (Vol) | ≤ 10 % Vdc |
| Output Symmetry | 40 %–60 % |
| Output Load | 15 pF HCMOS |
| Rise and Fall Time | 10 ns max |
| Enable‑Disable Function | Tri‑State |
The oscillator operates at a nominal frequency of 40.000 MHz.
It can operate from –40 °C to +85 °C (extended range).
The device requires a 3.3 V supply with a tolerance of ±5 % DC.
Yes, the oscillator is RoHS compliant and lead‑free.