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Product Detailed Parameters
- Description：13.515 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：13.515 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 18QHTF21-13.515-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 13.515 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component belongs to the QHTF series, which offers various hermetic ceramic leadless SMD packages and frequencies ranging from 1.0 MHz to 200 MHz.
Feature Summary
- Supports enable/disable functionality for power management
- Utilizes LVCMOS output logic for digital interface compatibility
- Constructed in a hermetic ceramic leadless SMD package
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring 13.515 MHz
- Embedded applications utilizing LVCMOS interfaces
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the system design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints. Check for any specific handling instructions related to the hermetic ceramic construction during assembly.
Selection Notes
Select this component when a precise 13.515 MHz timing source is required with low-voltage operation. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Consider the physical size constraints due to the small 2.0x1.6mm package. Verify compatibility with LVCMOS logic levels in the receiving circuitry to ensure signal integrity.
Part Context
This oscillator is part of the QHTF series from Mercury Electronic Ind. Co., Ltd, a manufacturer specializing in quartz crystals and oscillators since 1973. The series provides options across multiple supply voltages and frequencies up to 200 MHz. Mercury Electronics is recognized as a pioneer in Taiwan's crystal industry, offering various hermetic ceramic packages for robust performance.
Replacement Considerations
Direct substitutes within the same series include models such as 18QHTF21-13.1313-OE and 18QHTF21-13.513-OE, which share similar package and electrical characteristics but differ in frequency. Ensure the replacement maintains the required 13.515 MHz specification if exact frequency matching is critical.
