This programmable MEMS oscillator provides factory-set output frequencies from 1 Hz to 32.768 kHz for low-frequency timing and true pulse-per-second operation. It operates from a 1.2 V to 3.63 V supply, supports NanoDrive programmable output swing, and achieves typical core current as low as 0.9 µA at 1.8 V with no load. Frequency tolerance is specified at 20 ppm at 25°C, with available stability options up to ±100 ppm over the -40°C to 85°C industrial range. The device is offered in an ultra-small 2.0 x 1.2 mm SMD package and eliminates external load capacitors for XTAL-replacement clock applications.
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Sitime SiT1534AI-H4-DCC-0.001 technical specifications.
| Output Frequency Range | 1 to 32768Hz |
| Frequency Tolerance | 20ppm |
| Frequency Stability | 100ppm |
| Operating Supply Voltage | 1.2 to 3.63V |
| Core Operating Current | 0.9 typµA |
| Output Stage Operating Current | 0.065 typ, 0.125 maxµA/Vpp |
| Start-up Time | 300 + 1 period typms |
| Start-up Time Over Temperature | 500 + 1 period maxms |
| Operating Temperature Range | -40 to 85°C |
| Clock Duty Cycle | 48 to 52% |
| LVCMOS Rise/Fall Time | 100 typ, 200 maxns |
| Programmable Output Swing | 0.20 to 0.80V |
| Programmable Output VOH Range | 0.60 to 1.225V |
| Programmable Output VOL Range | 0.35 to 0.80V |
| Output Swing Tolerance | ±0.055V |
| Period Jitter | 35ns RMS |
| Package Size | 2.0 x 1.2mm |
Download the complete datasheet for Sitime SiT1534AI-H4-DCC-0.001 to view detailed technical specifications.
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