SIT8208AI-81-18S-74.176000

Oscillators Overview

The SiTime SIT8208AI-81-18S-74.176000 is a MEMS-based standard clock oscillator operating at a fixed frequency of 74.176 MHz. It functions within a supply voltage range of 1.71 V to 1.89 V and supports LVCMOS and LVTTL output formats. The device features an enable/disable control function, with maximum supply current of 33 mA during operation and 31 mA in standby mode. Frequency stability is rated at ±50 ppm over the industrial temperature range of -40°C to +85°C. The component is housed in a compact 4-SMD, no-lead package measuring 2.70 mm x 2.40 mm with a maximum height of 0.80 mm.

Oscillators Feature Summary

• Utilizes silicon MEMS technology for robust timing performance
• Supports low-voltage operation with integrated enable/disable control
• Compatible with both LVCMOS and LVTTL logic standards

Oscillators Applications

• General-purpose digital clock generation
• Embedded system timing references
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific suffix codes against official SiTime documentation to ensure correct voltage, frequency, and package configuration. Confirm that the ordering part number matches the required electrical specifications and environmental ratings before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a fixed 74.176 MHz frequency is required with LVCMOS/LVTTL outputs. Ensure the design accommodates the 1.8V nominal supply voltage and the specified ±50 ppm stability requirements across the full industrial temperature range.

Oscillators Part Context

This oscillator belongs to the SiT8208 series, which offers programmable and fixed-frequency MEMS solutions. The SiT8208 family provides alternatives to traditional quartz crystals, offering improved shock resistance and lower power consumption while maintaining precise timing accuracy for various electronic applications.

Oscillators Replacement Considerations

Direct replacements must match the 74.176 MHz frequency, 1.8V supply, and 4-SMD package. Verify pin compatibility and output drive strength when substituting with other MEMS oscillators from different manufacturers.