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Product Detailed Parameters
- Description：76.2 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：76.2 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)：26mA
- 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 18QHTF21-76.200-OE is a standard LVCMOS crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 76.2 MHz and requires a 1.8V supply voltage. The device features Enable/Disable control functionality for power management. It is housed in a compact 4-SMD, No Lead surface-mount package, suitable for space-constrained electronic designs requiring precise timing signals.
Feature Summary
- Supports LVCMOS output logic levels for digital interface compatibility
- Includes hardware Enable/Disable pin for dynamic power control
- Utilizes a leadless SMD package for automated surface-mount assembly
Applications
- Digital signal processing circuits requiring stable clock sources
- Communication modules utilizing LVCMOS interfaces
- Embedded systems with strict power management requirements
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to ensure the correct voltage and tolerance specifications. Confirm that the 1.8V supply requirement aligns with the target system's power rails. Check for any recent revisions to the mechanical dimensions or thermal characteristics before finalizing the bill of materials.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. Ensure the application environment supports the operating temperature range specified in the official documentation. Consider the physical footprint constraints of the 4-SMD no-lead package during PCB layout design.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. This part belongs to their series of surface-mount crystal oscillators designed for consumer and industrial electronics applications.
Replacement Considerations
Consult the manufacturer's cross-reference list for verified substitutes. Ensure replacement parts match the 76.2 MHz frequency, 1.8V supply, and LVCMOS output type.
