S21805T-40.000-X-R

Oscillators Overview

The S21805T-40.000-X-R is a standard crystal oscillator (XO) manufactured by Aker Technology Corp, operating at a frequency of 40 MHz. It utilizes HCMOS output logic levels and supports a supply voltage of 1.8V. The device features an enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package suitable for surface-mount assembly.

Oscillators Feature Summary

• HCMOS output interface for digital signal compatibility
• Integrated enable/disable functionality for power optimization
• Compact surface-mount package design

Oscillators Applications

• General-purpose clock generation in electronic circuits
• Synchronization in data communication systems
• Timing reference for microprocessor-based devices

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct frequency and package configuration. Confirm that the HCMOS output type and 1.8V supply requirements align with the target system design before procurement.

Oscillators Selection Notes

Select this component when a precise 40 MHz timing source is required with low-voltage operation. Ensure the host circuit supports HCMOS logic thresholds and provides the necessary enable signal control for proper power management integration.

Oscillators Part Context

This part belongs to the S21805T series of standard oscillators from Aker Technology Corp. The series offers various frequencies and voltage options within a consistent small form factor, designed for applications requiring reliable frequency stability in consumer and industrial electronics.

Oscillators Replacement Considerations

Cross-reference with other 40 MHz HCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical specifications such as load capacitance and drive level before substituting.