12.90324

Overview

The Geyer Electronic America, Inc. 12.90324 is a 27 MHz standard HCMOS crystal oscillator housed in a compact 4-SMD, no-lead surface-mount package. It operates on a single 3.3V supply voltage with a maximum current consumption of 7mA. The device provides frequency stability of ±50ppm and supports an extended industrial operating temperature range from -40°C to +85°C. This component features enable/disable functionality for power management and is classified as a Class III life-supporting frequency control product.

Feature Summary

• Generates a precise 27 MHz clock signal using HCMOS output logic levels
• Includes integrated enable and disable control pins for active power management
• Designed for reliable operation across wide industrial temperature extremes

Applications

• General-purpose clock generation for digital circuits
• Synchronization modules requiring stable timing references
• Embedded systems utilizing surface-mount assembly processes

Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to ensure correct packaging and tolerance specifications. Confirm that the selected variant meets all environmental and electrical requirements for the target application before finalizing procurement orders.

Selection Notes

Select this component when a fixed 27 MHz frequency source is required with low power consumption constraints. Ensure the design accommodates the 3.3V logic level compatibility and verify that the 4-SMD footprint aligns with the PCB layout guidelines provided in the official documentation.

Part Context

This part belongs to the GEYER family of quartz crystals and oscillators designed for accurate clock generation. Geyer Electronic America represents these frequency-control products in the U.S., offering solutions for synchronization and timing needs across various electronic industries.

Replacement Considerations

Consult the official replacement matrix for direct substitutes. Verify pinout compatibility and electrical parameters such as load capacitance and drive level before integrating alternative components into existing designs.