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Product Detailed Parameters
- Description：6.0 MHz XO 1.8V 2.0X1.6 MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：6 MHz
- Function：Standby (Power Down)
- 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)：21mA
- 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 18QHTF21-6.000-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 6.000 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby (power down) mode capability. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- Supports LVCMOS output signal compatibility
- Includes standby power down functionality
- Operates on a single 1.8V supply rail
Applications
- Battery-powered electronic devices
- Portable consumer electronics
- General-purpose digital clock generation
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target system design before procurement. Confirm that the 1.8V supply voltage aligns with the host circuit's power domain. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to prevent assembly errors.
Selection Notes
Select this component when a precise 6 MHz reference is required for systems operating at 1.8V. The integrated standby feature makes it suitable for power-sensitive designs. Compare performance metrics such as phase noise and stability against alternative oscillators if strict timing jitter constraints exist within the application environment.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronic. The series typically offers various frequency options within a standardized small outline package. The 'PD' suffix indicates the inclusion of a power-down control pin or function, distinguishing it from continuously running variants.
Replacement Considerations
Direct replacements must match the 6.000 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions. Verify pinout compatibility and electrical characteristics of potential substitutes to ensure seamless integration without redesigning the surrounding circuitry.
