18QHTF21-11.2896-PD

Overview

The 18QHTF21-11.2896-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 11.2896 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a power-down standby mode for energy efficiency. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The maximum supply current is specified at 22mA. This component is designed for applications requiring precise timing signals in space-constrained electronic systems.

Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS output compatibility
• Includes a dedicated power-down standby function to reduce consumption
• Utilizes a small-footprint 4-SMD no-lead surface mount package

Applications

• Battery-powered portable electronic devices
• Compact digital signal processing circuits
• Embedded systems requiring precise clock synchronization

Procurement Notes

Verify the specific ordering suffix PD against the manufacturer's official documentation to ensure correct pinout and electrical characteristics. Confirm that the 1.8V supply requirement aligns with your system design before procurement. Check for any specific handling instructions related to the 4-SMD no-lead package during assembly.

Selection Notes

Select this component when a 11.2896 MHz clock source is required in a minimal footprint. Ensure the host circuit supports LVCMOS logic levels and provides a stable 1.8V rail. Consider the power-down feature if battery life optimization is critical for the target application environment.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on low-profile oscillators. The series typically offers various frequencies within a standardized 2.0x1.6mm package. The 'PD' suffix indicates the inclusion of a power-down control capability, distinguishing it from standard continuous-operation variants in the same family.

Replacement Considerations

Direct substitutes must match the 11.2896 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify pin compatibility and electrical specifications with alternative manufacturers before integration.