This device is a 32.768 kHz MEMS temperature-compensated oscillator in a 1.5 x 0.8 mm chip-scale package. It operates from a 1.5 V to 3.63 V supply and draws 0.99 μA typical core current at 1.8 V with no load. Valid output is reached in 180 ms typical and 300 ms maximum up to 60°C, and the family supports commercial and industrial temperature ranges depending on ordering option. The 4-pin CSP provides a clock output with programmable NanoDrive voltage swing, and the device does not require an external Vdd bypass capacitor under normal operating conditions.
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Sitime SiT1552AI-JF-DCC-32.768 technical specifications.
| Oscillator Type | 32 kHz TCXO |
| Output Frequency | 32.768kHz |
| Frequency Stability Options | ±5, ±10, ±20ppm |
| Operating Supply Voltage | 1.5 to 3.63V |
| Core Supply Current | 0.99 typμA |
| Start-up Time at Power-up | 180 typ, 300 maxms |
| Long Term Jitter | 2.5 maxμspp |
| Period Jitter | 35 typns RMS |
| Commercial Operating Temperature | 0 to 70°C |
| Industrial Operating Temperature | -40 to 85°C |
| Output Clock Duty Cycle | 48 to 52% |
| LVCMOS Rise/Fall Time | 100 typ, 200 max at 15 pFns |
| ESD Protection HBM | 3000V |
| Mechanical Shock Resistance | 10000g |
| Storage Temperature | -65 to 150°C |
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