STC21C Series – 2.0MM X 1.6MM Ceramic SMD 4 Pad CMOS TCXO
Part Numbering Guide
Electrical Parameters
| Parameters | Units | Min | Typical | Max | Remarks |
|---|---|---|---|---|---|
| Frequency Range | MHz | 8 | 70 | ||
| Frequency Tolerance at +25ºC | ppm | -2.0 | 2.0 | After 2 times reflow | |
| Freq. Stability vs. Op Temp. | ppm | -2.5 | 2.5 | See part numbering guide for options. | |
| Freq. Stability vs. Supply Voltage | ppm | -0.2 | 0.2 | VDD ±5% Change | |
| Freq. Stability vs. Load | ppm | -0.2 | 0.2 | ±5% Change | |
| Freq. Stability vs. Aging/Year | ppm | -2.0 | 2.0 | 1 year, | |
| Operating Temperature | °C | -40 | 85 | See part numbering guide for options. | |
| Storage Temperature | °C | -55 | 125 | ||
| Supply Voltage (VDD) - 1.8 V Option | V | 1.710 | 1.8 | 1.890 | |
| Supply Voltage (VDD) - 2.5 V Option | V | 2.375 | 2.5 | 2.625 | |
| Supply Voltage (VDD) - 2.7 V Option | V | 2.565 | 2.7 | 2.835 | |
| Supply Voltage (VDD) - 2.8 V Option | V | 2.66 | 2.8 | 2.94 | |
| Supply Voltage (VDD) - 3.0 V Option | V | 2.85 | 3.0 | 3.15 | |
| Supply Voltage (VDD) - 3.3 V Option | V | 3.125 | 3.3 | 3.465 | |
| Current (IDD) | mA | 10 | |||
| Output Load (CMOS) | pF | 15 | |||
| Output Logic HIGH Level (VOH) | V | 0.8*VDD | |||
| Output Logic LOW Level (VOL) | V | 0.2*VDD | |||
| Rise (TR) And Fall (TF) Time | ns | 5 | |||
| Symmetry (Duty Cycle) | % | 45 | 55 | ||
| Start-Up Time | ms | 10 | |||
| Phase Noise (Typical) 10KHz Offset | dBc/Hz | -145 |
Outline Drawing & Recommended Landed Pattern
