18QHTF21-19.934-OE

Oscillators Overview

The 18QHTF21-19.934-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.934 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 2.0mm x 1.6mm, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports LVCMOS output signal compatibility
• Includes enable/disable functionality for power control
• Designed for low-voltage 1.8V operation

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Embedded systems requiring precise frequency references
• Consumer electronics utilizing surface-mount technology

Oscillators Procurement Notes

Verify the specific ordering suffix '-OE' to confirm the presence of the enable/disable pin and LVCMOS output characteristics. Ensure the required operating temperature range matches the specific datasheet revision. Confirm that the 1.8V supply voltage aligns with the target system design before procurement.

Oscillators Selection Notes

Select this component when a 19.934 MHz reference is required in a space-constrained environment. The 1.8V supply requirement dictates compatibility with modern low-power digital logic families. The enable feature allows for dynamic power management strategies in battery-operated or energy-efficient designs.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized 2.0x1.6mm footprint. The series provides consistent electrical specifications across different frequency options, simplifying inventory management for multi-frequency designs while maintaining uniform mechanical integration.

Oscillators Replacement Considerations

Direct substitutes must match the 19.934 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and electrical parameters against the original datasheet to ensure functional equivalence without circuit modification.