18QHTF21-28.2594-PD

Oscillators Overview

The 18QHTF21-28.2594-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 28.2594 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby capability for power management
• Utilizes LVCMOS output interface

Oscillators Applications

• General purpose timing circuits
• Embedded systems requiring precise clock signals
• Consumer electronics devices

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and packaging configurations. Confirm that the 1.8V supply requirement aligns with the target system design. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 28.2594 MHz clock signal is required within a 1.8V powered environment. Consider the small 2.0x1.6 mm form factor for space-constrained designs. Verify that LVCMOS logic levels are compatible with the receiving digital inputs of the connected microcontroller or FPGA.

Oscillators Part Context

This part belongs to the QHTF series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options in a standardized small outline package. It serves as a reliable timing source for digital applications requiring stable frequency generation without external tuning components.

Oscillators Replacement Considerations

Direct substitutes include other 28.2594 MHz LVCMOS oscillators in 4-SMD packages operating at 1.8V. Ensure pinout compatibility and thermal characteristics match the original design requirements when considering alternative manufacturers.