This programmable MEMS oscillator is configured for a 1 Hz output with ±100 ppm frequency stability over the -40 °C to +85 °C industrial temperature range. It operates from a 1.2 V to 3.63 V supply and is specified for ultra-low power operation, with 0.9 µA typical core current at 1.8 V and no load. The SiT1534 family supports factory-programmed output frequencies from 1 Hz to 32.768 kHz, 48% to 52% duty cycle, and 35 ns RMS period jitter. This orderable device uses a 2.0 x 1.2 mm package and a reduced-swing output setting with 525 mV swing and 1.225 V VOH.
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Sitime SiT1534AI-H4-D26-00.001 technical specifications.
| Output Frequency | 1Hz |
| Programmable Frequency Range | 1 to 32768Hz |
| Frequency Tolerance | 20ppm |
| Frequency Stability | 100ppm |
| Supply Voltage Range | 1.2 to 3.63V |
| Operating Temperature Range | -40 to 85°C |
| Core Operating Current | 0.9 typµA |
| Start-up Time | 300 max + 1 periodms |
| Duty Cycle | 48 to 52% |
| Period Jitter | 35ns RMS |
| Output Swing | 525mV |
| Output High Voltage | 1.225V |
| Package Size | 2.0 x 1.2mm |
| Rise/Fall Time | 100 to 200ns |
Download the complete datasheet for Sitime SiT1534AI-H4-D26-00.001 to view detailed technical specifications.
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