18QHTF21-12.96009-PD

Overview

The 18QHTF21-12.96009-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 12.96009 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Feature Summary

• Supports low-voltage operation with 1.8V supply requirement
• Integrates standby mode for power management
• Provides LVCMOS signal output compatibility

Applications

• General-purpose clock signal generation
• Digital system timing references
• Embedded electronics requiring low-power oscillators

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application's specifications before procurement. Confirm that the 1.8V operating voltage aligns with the system power rails. Ensure the 4-SMD no-lead package dimensions fit within the designated footprint on the PCB layout to avoid mechanical interference during assembly.

Selection Notes

Select this component when a precise 12.96009 MHz reference is required with minimal power consumption. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the standby feature if power efficiency is critical. Verify that the operating temperature range meets environmental conditions. This model is suitable for space-constrained designs due to its small SMD form factor.

Part Context

This part belongs to the 18QHTF21 series of quartz-based oscillators from Mercury Electronics. The series offers various frequencies tailored for different timing needs. Mercury Electronics has a long history in quartz crystal manufacturing, providing reliable frequency control solutions. The 'PD' suffix indicates the inclusion of a power-down capability, distinguishing it from continuous-operation variants.

Replacement Considerations

Direct substitutes include other 18QHTF21 models with identical pinout and electrical characteristics but different frequencies, such as 18QHTF21-51.200-PD or 18QHTF21-6.000-PD, provided the frequency difference is acceptable for the design.