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Product Detailed Parameters
- Description：116.54144 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：116.54144 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)：28mA
- 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 18QHTF21-116.54144-OE is a fixed-frequency XO (Standard) LVCMOS oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 116.54144 MHz with a supply voltage of 1.8V and features an Enable/Disable control function. The component utilizes a 4-SMD, No Lead package with dimensions of 2.0x1.6mm. Frequency stability is specified at ±50ppm, and the operating temperature range extends from -40°C to 85°C.
Feature Summary
- LVCMOS output interface for standard logic compatibility
- Integrated enable/disable functionality for power management
- Compact 4-SMD no-lead surface mount package
Applications
- Digital signal processing systems requiring precise clocking
- Communication equipment utilizing standard LVCMOS interfaces
- Embedded systems operating within industrial temperature ranges
Procurement Notes
Verify the specific suffix '-OE' against official Mercury Electronics documentation to confirm exact electrical characteristics and pinout configuration. Ensure that the 1.8V supply requirement aligns with the target system's power rails. Confirm that the ±50ppm stability meets the application's timing requirements before finalizing procurement orders.
Selection Notes
Select this component when a low-profile 2.0x1.6mm footprint is required for high-frequency applications. The 1.8V supply voltage makes it suitable for modern low-power digital circuits. Consider the ±50ppm stability specification relative to system jitter tolerance. The enable/disable feature provides additional control over power consumption during idle states compared to always-on oscillators.
Part Context
This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequency options within the same physical package. The '116.54144' designation indicates the specific output frequency. This model represents a standard LVCMOS variant designed for general-purpose digital clocking needs in compact electronic assemblies.
Replacement Considerations
Direct substitutes must match the 116.54144 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify that alternative sources provide equivalent ±50ppm stability and -40°C to 85°C temperature range. Cross-reference pin assignments for enable/disable functionality to ensure circuit compatibility without modification.
