This IP is a High-frequency (4-16MHz) crystal oscillator. It was taped out on the CI2404 Chipalooza tapeout. The specifications below are target specifications. Check back for characterized numbers once the silicon is characterized.
| Pin name | Use | Domain | Notes |
|---|---|---|---|
| avdd | analog power | 3.3V | |
| dvdd | digital power | 1.8V | |
| avss | analog ground | ||
| dvss | digital ground | ||
| ibias | bandgap-referenced current input | ||
| ena | enable | 1.8V domain | |
| xin | crystal input | 3.3V domain | |
| xout | crystal output | 3.3V domain | |
| dout | clock output | 1.8V domain |
| Parameter | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|
| Supply Voltage | 2.7 | 3.3 | 5.5 | V | Vsup |
| Operating Temperature | -40 | 25 | 85 | °C | |
| Input crystal frequency | 4 | 12 | 16 | MHz | |
| Power Consumption (enabled) | 20 | 50 | µA | Measured at 3.3V and 25°C | |
| Power Consumption (disabled) | 10 | 20 | nA | Measured at 3.3V and 25°C | |
| Duty Cycle | 45 | 50 | 55 | % | |
| Start-up Time (power-up) | 100 | 200 | us | ||
| Start-up Time (enable) | 20 | 40 | us | ||
| Input Load Capacitance | 2 | pF | Approx. pad and package capacitance | ||
| Output Load Capacitance | 200 | fF | |||
| Frequency Stability | -30 | 0 | 30 | ppm | Over operating temperature range |
| Frequency Accuracy | -20 | 0 | 20 | ppm | At 25°C |
| Output Signal Level Low | 0 | 0.1 | Vpp | CMOS | |
| Output Signal Level High | Vsup - 0.1 | Vsup | Vpp | CMOS | |
| Output Rise/Fall Time | 4 | 5 | 6 | ns | 10-90% of V_max at load |
EF_HSXO
Vendor
Efabless
130nm
Skywater
External Oscillator
Free
Open Source
EF Certified
Defined