12.90338

Overview

The Geyer Electronic America, Inc. model 12.90338 is a standard HCMOS crystal oscillator operating at a frequency of 27 MHz with a stability of ±50 ppm. It functions within a supply voltage range of 1.8V to 3.6V and features tri-state output enable functionality. The component utilizes a 4-SMD, no-lead package measuring 3.20mm in length and 2.50mm in width, with a maximum height of 0.80mm. It supports an operating temperature range from -40°C to 85°C and draws a maximum supply current of 11mA.

Feature Summary

• Generates a stable 27 MHz clock signal using internal crystal resonance
• Provides digital output compatible with HCMOS logic levels
• Includes tri-state control for output enablement to reduce bus contention
• Designed for surface mount assembly in compact electronic systems

Applications

• Microcontroller clock generation
• Digital signal processing timing references
• Communication interface synchronization
• Embedded system master clocks

Procurement Notes

Verify the specific voltage requirements against your system design, as this unit operates between 1.8V and 3.6V. Confirm that the 27 MHz frequency aligns with your circuit's timing needs. Ensure the PCB footprint matches the 3.20mm x 2.50mm SMD package dimensions. Check that the operating temperature range meets your environmental specifications. Review the datasheet for load capacitance requirements if connecting to external circuits.

Selection Notes

Select this oscillator when a precise 27 MHz reference is required for HCMOS-compatible digital circuits. It is suitable for applications needing tri-state output control to manage bus traffic efficiently. Consider this component for space-constrained designs due to its small 4-SMD footprint. Ensure the supply voltage remains within the 1.8V to 3.6V range during operation. Evaluate thermal conditions to ensure performance within the -40°C to 85°C range.

Part Context

This component belongs to the KXO-V96 series of ceramic SMD oscillators manufactured by Geyer Electronic America, Inc. It represents a standard solution for frequency control in modern electronics. The series focuses on providing reliable timing signals in miniature packages. These devices are designed for high-volume production environments requiring consistent performance across various industrial and consumer applications.

Replacement Considerations

Consult official manufacturer documentation for direct cross-references. Verify pin compatibility and electrical parameters before substituting. Ensure any alternative part matches the 27 MHz frequency and HCMOS output type.