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Product Detailed Parameters
- Description：11.28846 MHz XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：11.28846 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 18QHTF21-11.28846-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 11.28846 MHz with LVCMOS output logic. The device supports a supply voltage of 1.8V and includes enable/disable functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- LVCMOS output logic for standard digital interface compatibility
- Integrated enable and disable control capability
- Compact surface-mount design suitable for space-constrained applications
Applications
- General purpose timing clock generation
- Embedded system clock sources
- Digital signal processing circuits
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations required by your application environment.
Selection Notes
Select this component when a precise 11.28846 MHz clock signal is required with low voltage operation. The LVCMOS output is suitable for standard CMOS logic families. Consider the small form factor if board space is limited. Verify that the enable pin functionality meets your power management needs for the target application.
Part Context
This part belongs to the Mercury Electronics XO series, which offers various frequencies and packages. The manufacturer specializes in quartz crystals and oscillators. This specific model is designed for standard timing applications requiring reliable frequency stability in a small SMD package.
Replacement Considerations
Direct substitutes must match the 11.28846 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Cross-reference with other manufacturers offering identical electrical specifications and pinout configurations to ensure functional compatibility.
