S21805T-27.000-X-R

Oscillators Overview

The S21805T-27.000-X-R is a standard crystal oscillator manufactured by Aker Technology Corp, operating at a nominal frequency of 27 MHz. It utilizes HCMOS output logic and features an integrated enable/disable control function powered by a 1.8V supply voltage. The component is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• HCMOS output interface
• 1.8V enable/disable control
• Compact 4-SMD no lead package

Oscillators Applications

• Embedded systems
• Communication modules
• Computing interfaces

Oscillators Procurement Notes

Verify the specific datasheet version for the S21805T-27.000-X-R to confirm exact electrical tolerances and thermal characteristics. Ensure compatibility with 1.8V logic levels and check for RoHS compliance status as indicated on official manufacturer documentation before integration into final designs.

Oscillators Selection Notes

Select this model when a low-voltage 1.8V HCMOS oscillator is required for space-constrained designs. The enable/disable feature allows for power management in battery-operated devices. Verify that the 27 MHz frequency aligns with system clock requirements and that the 4-SMD footprint matches the PCB layout constraints.

Oscillators Part Context

This part belongs to the S21805T series of precision crystal oscillators from Aker Technology. The series offers various frequencies and voltage options, providing standardized timing solutions for consumer electronics and industrial applications. The X-R suffix typically denotes specific packaging or tape-and-reel configurations.

Oscillators Replacement Considerations

Direct substitutes include other 27 MHz HCMOS oscillators with 1.8V operation and similar pinout configurations. Cross-reference with Aker's own variants like the S21805T-26.000-X-R for frequency differences. Ensure any replacement maintains the enable/disable functionality and package dimensions.