This programmable MEMS oscillator provides factory-set output frequencies from 1 Hz to 32.768 kHz in powers of two and is optimized for ultra-low-power timekeeping applications. It operates from a 1.2 V to 3.63 V supply, draws 0.9 µA typical core current at 25°C and 1.8 V, and supports extended operation from -55°C to +85°C. The device offers 20 ppm frequency tolerance at 25°C, up to 100 ppm stability over -40°C to +85°C with 1.5 V to 3.63 V supply, and 35 ns RMS period jitter. Its oscillator output eliminates external load capacitors, and NanoDrive programmable output swing helps reduce total power consumption.
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Sitime SiT1534AI-J4-DCC-08.192 technical specifications.
| Programmable Frequency Range | 1 to 32768Hz |
| Frequency Tolerance | 20ppm |
| Frequency Stability | 100ppm |
| Aging, First Year | -1 to 1ppm |
| Operating Supply Voltage | 1.2 to 3.63V |
| Core Operating Current | 0.9µA |
| Output Stage Operating Current | 0.065 to 0.125µA/Vpp |
| Start-up Time | 300 + 1 periodms |
| Operating Temperature Range | -55 to 85°C |
| Output Clock Duty Cycle | 48 to 52% |
| Output Rise/Fall Time | 100 to 200ns |
| Period Jitter | 35ns RMS |
| Programmable Output Swing | 0.20 to 0.80V |
| HBM ESD Protection | 3000V |
| Mechanical Shock Resistance | 10000g |
| Mechanical Vibration Resistance | 70g |
Download the complete datasheet for Sitime SiT1534AI-J4-DCC-08.192 to view detailed technical specifications.
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