Low-frequency programmable MEMS oscillator for 1 Hz to 32.768 kHz timing applications, with the exact SiT1534AC-J5-DCC-00.128 orderable using the 1.5 x 0.8 mm CSP option, commercial -10 °C to +70 °C range, and ±75 ppm stability code. The device operates from 1.2 V to 3.63 V and draws 0.9 µA typical core current at 1.8 V with no load. Its DC-coupled rail-to-rail LVCMOS output supports 48% to 52% duty cycle, 100 ns to 200 ns rise and fall times, and 35 ns RMS period jitter. The oscillator starts within 300 ms plus one period at 25 °C and is intended to replace low-frequency XTAL implementations without external load capacitors.
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Sitime SiT1534AC-J5-DCC-00.128 technical specifications.
| Programmable Output Frequency Range | 1 to 32768Hz |
| Frequency Tolerance | ±20ppm |
| Frequency Stability | ±75ppm |
| Operating Supply Voltage | 1.2 to 3.63V |
| Core Operating Current | 0.9 typµA |
| Operating Temperature Range | -10 to 70°C |
| Package Size | 1.5 x 0.8mm |
| Package Pins | 4 |
| Output Coupling | DC-coupled |
| Output Type | Rail-to-rail LVCMOS |
| Duty Cycle | 48 to 52% |
| Rise/Fall Time | 100 to 200ns |
| Period Jitter | 35ns RMS |
| Start-up Time | 300 + 1 periodms |
| Aging | ±1 first yearppm |
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