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Product Detailed Parameters
- Description：57.344 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：57.344 MHz
- Function：Enable/Disable
- Output：LVCMOS
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：24mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.031" (0.80mm)
- Supplier Device Package：-
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Overview
The 18QHTF21-57.344-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 57.344 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable control for power efficiency
- Compact 4-SMD no-lead surface mount package
Applications
- Digital signal processing systems
- Communication equipment clocking
- Microcontroller timing references
Procurement Notes
Verify the exact frequency tolerance and load capacitance requirements against the specific application datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD package footprint matches the PCB design constraints to guarantee proper soldering and mechanical stability during assembly processes.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside LVCMOS compatibility. The enable/disable feature makes it suitable for battery-powered or power-sensitive designs. Consider the 4-SMD form factor for space-constrained layouts where traditional through-hole oscillators are not feasible.
Part Context
This model belongs to the 18QHTF21 series of quartz crystal oscillators from Mercury Electronic. The series offers various frequencies and voltage options, all sharing the same small outline no-lead package style designed for high-density surface-mount technology applications in consumer and industrial electronics.
Replacement Considerations
Check for direct substitutes within the 18QHTF21 series offering identical 57.344 MHz frequency and 1.8V LVCMOS specifications. Verify pinout compatibility and thermal characteristics before substituting with other manufacturers' components.
