S21805T-4.000-X-R

Oscillators Overview

The S21805T-4.000-X-R is a 4 MHz HCMOS crystal oscillator manufactured by Aker Technology Corp. It operates with a supply voltage of 1.8V and features an enable/disable control function. The component utilizes a 4-SMD, No Lead package for surface mount applications. This standard frequency output device is designed for integration into electronic circuits requiring precise timing signals.

Oscillators Feature Summary

• HCMOS logic output format
• Integrated enable and disable control functionality
• Low voltage operation at 1.8V

Oscillators Applications

• Embedded systems requiring clock synchronization
• Portable electronics with power constraints
• Digital signal processing interfaces

Oscillators Procurement Notes

Verify the specific manufacturer documentation to confirm electrical characteristics and pinout configuration before integration. Ensure that the 1.8V supply requirement aligns with the target system design. Confirm the enable/disable control logic levels match the driving microcontroller outputs to prevent operational faults.

Oscillators Selection Notes

Select this component when a low-voltage HCMOS oscillator with active control capabilities is required. The 4-SMD no-lead package suits space-constrained designs. Consider the 4 MHz frequency as the primary timing reference for the application circuitry.

Oscillators Part Context

This part belongs to the S21805T series of crystal oscillators from Aker Technology Corp. The series includes various frequencies such as 6 MHz, 24 MHz, and 48 MHz variants. These components are generally used in consumer and industrial electronics where stable clock sources are necessary.

Oscillators Replacement Considerations

Check for direct substitutes within the same series, such as S21805T-6.000-X-R or S21805T-24.000-X-R, if frequency adjustments are permissible. Verify package compatibility and voltage specifications for any cross-brand replacements.