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Product Detailed Parameters
- Description：65.488 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：65.488 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 18QHTF21-65.488-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 65.488 MHz with a supply voltage of 1.8V. The device features LVCMOS output logic and supports a standby power-down mode. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. The unit is supplied in strip packaging and is designed for operation within a temperature range of -40°C to 85°C.
Feature Summary
- Supports low-voltage operation at 1.8V
- Includes standby power-down functionality
- Utilizes LVCMOS output logic
- Compact surface-mount package design
Applications
- General clock signal generation
- Digital circuit timing references
- Embedded system clock sources
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to ensure correct packaging and functional configuration. Confirm that the required operating temperature range and supply voltage align with system requirements. Check official datasheets for pinout compatibility and electrical characteristics prior to integration into final designs.
Selection Notes
Select this component when a precise 65.488 MHz clock source is required for low-power applications. Consider the 1.8V supply constraint and LVCMOS interface compatibility with target processors. Evaluate the small form factor suitability for space-constrained PCB layouts requiring surface-mount assembly.
Part Context
This part belongs to the 18QHTF21 series of high-frequency oscillators from Mercury Electronics. The series offers various frequency options within a standardized 2.0x1.6 mm footprint. These components are designed for modern digital systems requiring stable clock signals with minimal power consumption and small physical size.
Replacement Considerations
Direct substitutes include other 18QHTF21 series variants with matching frequencies or compatible LVCMOS oscillators in identical packages. Verify electrical parameters and pin assignments before swapping.
