18QHTF21-57.800-PD

Overview

The 18QHTF21-57.800-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 57.8 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down capability for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• Supports standby mode for power reduction
• Utilizes LVCMOS output interface
• Compact surface-mount form factor

Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

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

Selection Notes

Select this component when a low-voltage, small-footprint oscillator with power-down functionality is required. The 57.8 MHz frequency suits applications needing precise timing without excessive power consumption. Consider the LVCMOS output compatibility with downstream digital logic levels during integration planning.

Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series offers various frequencies within a standardized 2.0x1.6mm package, providing designers with consistent mechanical dimensions across different clock speeds while maintaining electrical performance standards.

Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with matching 57.8 MHz frequency and 1.8V operation. Cross-referencing pinout and electrical characteristics is essential when considering alternative manufacturers for equivalent performance.