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Product Detailed Parameters
- Description：104.96 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：104.96 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 18QHTF21-104.960-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 104.96 MHz and utilizes LVCMOS output logic. The device is powered by a single 1.8V supply voltage and features an enable/disable control function for power management. It is housed in a compact 2.0x1.6 mm surface-mount package with no lead construction, suitable for space-constrained electronic designs.
Feature Summary
- Integrated enable/disable functionality for active power control
- LVCMOS output compatibility for standard digital interfaces
- Compact 2.0x1.6 mm SMD footprint for high-density PCB layouts
Applications
- Portable consumer electronics requiring low power consumption
- Communication modules utilizing LVCMOS clock signals
- Embedded systems with strict size constraints
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with the target system design. Confirm that the enable/disable pin configuration matches the host controller capabilities to ensure proper operation.
Selection Notes
Select this component when a precise 104.96 MHz clock source is required in a minimal footprint. The 1.8V supply specification makes it suitable for modern low-voltage logic families. Consider the enable feature if dynamic power saving is necessary for battery-operated applications.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz timing solutions. The manufacturer has produced frequency control products since 1973, focusing on crystals, oscillators, and filters. This series represents their standard XO offerings designed for general-purpose timing applications.
Replacement Considerations
Direct substitutes include other 104.96 MHz LVCMOS oscillators in 2.0x1.6 mm packages from compatible manufacturers. Verify electrical parameters such as supply voltage and output drive strength before substitution.
