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Product Detailed Parameters
- Description：65.576 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：65.576 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)：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 18QHTF21-65.576-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind., Co., Ltd. It operates at a frequency of 65.576 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at 1.8V. It features a power-down capability via a standby control input to reduce consumption when inactive. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm, suitable for surface-mount assembly.
Feature Summary
- Supports LVCMOS output interface for digital signal compatibility
- Includes standby mode for power-down functionality
- Compact 4-SMD no-lead surface mount package design
Applications
- General purpose clock generation in electronic circuits
- Timing reference for digital systems requiring 1.8V operation
- Embedded devices utilizing standard XO interfaces
Procurement Notes
Verify the specific datasheet from Mercury Electronic Ind., Co., Ltd. for precise electrical characteristics such as frequency stability, load capacitance, and drive strength. Confirm that the 4-SMD package footprint matches the PCB layout requirements. Ensure the 1.8V supply voltage aligns with the system design constraints before procurement.
Selection Notes
Select this component when a 65.576 MHz timing source is required with LVCMOS outputs. The 1.8V operating voltage makes it suitable for modern low-power digital designs. The integrated power-down feature aids in energy management. Verify that the 2.0x1.6mm package size fits within the available board space constraints.
Part Context
This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The 'PD' suffix indicates the inclusion of a power-down pin or function. Mercury Electronic is a Taiwan-based manufacturer specializing in quartz crystals and oscillators since 1973.
FAQ
What is the output logic type?
The output logic type is LVCMOS.
Does the device support power saving modes?
Yes, it includes a standby function for power-down capability.
