This programmable low-frequency MEMS oscillator is configured for a 1.024 kHz output with ±75 ppm frequency stability over a -10 °C to +70 °C operating range. It operates from a 1.2 V to 3.63 V supply and provides a rail-to-rail LVCMOS output in a 2.0 x 1.2 mm 2012 SMD package. The device is specified for 20 ppm frequency tolerance at 25 °C, 48% to 52% duty cycle, and 35 ns RMS period jitter. Its MEMS architecture eliminates external load capacitors and supports very low power operation with 0.9 µA typical core current at 1.8 V with no load.
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Sitime SiT1534AC-H5-DCC-1.024 technical specifications.
| Output Frequency | 1.024kHz |
| Frequency Stability | ±75ppm |
| Frequency Tolerance at 25°C | 20ppm |
| Operating Temperature Range | -10 to 70°C |
| Supply Voltage | 1.2 to 3.63V |
| Core Operating Current | 0.9 typµA |
| Duty Cycle | 48 to 52% |
| Rise/Fall Time | 100 to 200ns |
| Period Jitter | 35ns RMS |
| Start-up Time | 300 + 1 periodms |
| Package Size | 2.0 x 1.2mm |
| Output Type | Rail-to-Rail LVCMOS |
| RoHS | Compliant |
| REACH | Compliant |
| Pb-free | Yes |
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