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Product Detailed Parameters
- Description：102.894 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：102.894 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 18QHTF21-102.894-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 102.894 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.
Feature Summary
- Integrates enable/disable functionality for power management
- Provides LVCMOS output signal compatibility
- Utilizes a surface-mount package design
Applications
- General electronic equipment requiring precise timing signals
- Digital communication systems utilizing standard clock frequencies
- Embedded devices necessitating low-voltage operation
Procurement Notes
Verify the specific suffix designation to ensure correct voltage and output configuration. Confirm that the 1.8V supply requirement aligns with system power rails. Check package dimensions against PCB footprint specifications. Ensure environmental operating temperature ranges meet application requirements before finalizing procurement decisions.
Selection Notes
Select this component when a 102.894 MHz clock source is required with LVCMOS interface compatibility. Consider the 1.8V supply constraint for low-power designs. Evaluate the 4-SMD package size for space-constrained layouts. Compare against alternative frequencies if system synchronization needs differ from the specified 102.894 MHz value.
Part Context
This oscillator belongs to the QHTF series from Mercury Electronics, designed for standard timing applications. The series typically offers various frequencies and voltage options. The 18 prefix indicates the 1.8V supply variant, while the OE suffix denotes the enable/disable feature set within this product line.
Replacement Considerations
Direct substitutes include the 25QHTF21-102.894-OE, which shares identical frequency and package but operates at 2.5V. Verify voltage compatibility before swapping components. Other Mercury models with matching 102.894 MHz frequency may serve as alternatives if pinout and electrical characteristics align.
