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Product Detailed Parameters
- Description：109.64 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：109.64 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 18QHTF21-109.640-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 109.64 MHz with LVCMOS output logic. The device requires a 1.8V supply voltage and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is designed for applications requiring precise timing signals within low-voltage digital systems.
Feature Summary
- Supports enable and disable control functions for power management
- Utilizes LVCMOS output logic for digital interface compatibility
- Features a compact surface-mount package design
Applications
- Digital signal processing circuits
- Communication equipment timing references
- Embedded system clock generation
Procurement Notes
Verify the specific ordering suffix to ensure correct output logic and voltage levels. Confirm package dimensions match PCB footprint requirements. Check operating temperature range against environmental specifications. Ensure supply voltage matches system design constraints before integration.
Selection Notes
Select this component when a 109.64 MHz clock source is required with low voltage operation. Consider the enable pin functionality for power-sensitive designs. Evaluate the small form factor for space-constrained layouts. Compare performance metrics against alternative oscillators if stricter jitter or stability specs are needed.
Part Context
This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and packaging options. Similar parts include models with different frequencies such as 8.64 MHz or 75.64 MHz, maintaining the same package and voltage characteristics.
Replacement Considerations
Direct substitutes may include other 109.64 MHz LVCMOS oscillators in 2.0x1.6mm packages. Verify electrical parameters and pinout compatibility before replacement. Consult manufacturer cross-reference lists for validated alternatives.
