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Product Detailed Parameters
- Description：11.5278 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：11.5278 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)：22mA
- 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 18QHTF21-11.5278-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 11.5278 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals in electronic circuits.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable pin for power control
- Compact 4-SMD no-lead surface mount package
Applications
- Digital signal processing systems
- Communication equipment timing references
- Embedded microcontroller clock sources
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required frequency tolerance and load capacitance specifications. Confirm that the 1.8V supply voltage aligns with the target system design. Check for any recent updates to the RoHS compliance status or lead-free material declarations prior to final procurement approval.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside LVCMOS signaling standards. The small 4-SMD footprint makes it suitable for space-constrained designs. Ensure the application environment temperature range falls within the specified operational limits for the standard XO variant to maintain frequency stability.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series offers various frequencies and packages, catering to diverse timing needs in consumer electronics and industrial applications. Mercury Electronics has decades of experience in manufacturing quartz crystals and oscillators.
FAQ
What is the output logic type for this oscillator?
The 18QHTF21-11.5278-OE uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.
Does this component support power control?
Yes, the device features an enable/disable function to control power consumption.
