18QHTF21-12.880-OE

Overview

The 18QHTF21-12.880-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 12.88 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at a supply voltage of 1.8V. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount assembly on printed circuit boards.

Feature Summary

• LVCMOS output interface for digital compatibility
• Integrated enable/disable functionality for power control
• Compact 4-SMD no-lead surface mount package

Applications

• Precision timing circuits requiring stable clock signals
• Low-voltage digital systems operating at 1.8V
• Embedded devices utilizing surface-mount technology

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target system design before procurement. Confirm that the 1.8V supply voltage aligns with the host controller's I/O standards. Ensure the PCB footprint matches the 2.0x1.6 mm package dimensions to guarantee proper solder joint formation and mechanical stability during operation.

Selection Notes

Select this component when a precise 12.88 MHz clock source is required for 1.8V logic families. The LVCMOS output ensures direct interfacing with microcontrollers or FPGAs without additional level shifting. The enable pin allows for dynamic power savings in battery-operated or energy-efficient designs. Consider the small form factor for high-density board layouts.

Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies tailored for different communication and data processing standards. The 'OE' suffix typically denotes the enable feature. These oscillators are engineered for reliability in consumer electronics and industrial equipment where space constraints and power efficiency are critical design parameters.

Replacement Considerations

Direct replacements must match the 12.88 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify electrical characteristics such as phase jitter and duty cycle if strict signal integrity is required. Cross-reference with other manufacturers offering similar pin-compatible solutions only if parameter equivalence is confirmed.