18QHTF21-12.350-OE

Overview

The 18QHTF21-12.350-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind., Co., Ltd. It operates at a frequency of 12.35 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features active enable and disable control functionality
• Utilizes a low-profile surface-mount package design

Applications

• General purpose timing clock generation
• Embedded system synchronization
• Digital signal processing circuits

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct voltage and package specifications. Confirm that the OE (Enable/Disable) variant matches the system control requirements. Cross-reference the part number with the latest datasheet to validate frequency accuracy and operating temperature ranges before integration into production designs.

Selection Notes

Select this component when a 1.8V supply voltage is required for low-power applications. Ensure the design accommodates the 2.0x1.6 mm footprint and the 4-SMD no-lead package type. Verify that the LVCMOS output swing is compatible with the receiving logic inputs of the target microcontroller or FPGA.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystals and timing solutions. The series offers various frequencies and package sizes, catering to consumer electronics and industrial applications requiring precise frequency control and small form factors.

Replacement Considerations

Direct substitutes may include other 12.35 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical parameters such as load capacitance and drive level before substitution.