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Product Detailed Parameters
- Description：13.48 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：13.48 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 18QHTF21-13.480-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.48 MHz and utilizes LVCMOS output logic. The device requires 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 2.0 x 1.6 mm.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes enable/disable functionality for power management
- Compact surface-mount design suitable for space-constrained applications
Applications
- General purpose clock signal generation
- Digital circuit timing references
- Embedded system clock sources
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target application's specifications before procurement. Ensure that the 1.8V supply voltage aligns with the system power rails. Confirm that the enable/disable pin configuration matches the control logic available in the host design to ensure proper operation and power state management.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside a precise 13.48 MHz reference frequency. The small 2.0x1.6 mm footprint makes it suitable for dense PCB layouts. Consider the LVCMOS output swing levels to ensure compatibility with downstream logic inputs without requiring additional level shifting or buffering stages.
Part Context
This part belongs to the QHTF series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options, including 2.5V variants like the 25QHTF21 series. The 'OE' suffix typically denotes the enable/disable feature set within this product line.
Replacement Considerations
Direct replacements must match the 13.48 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify electrical characteristics such as phase noise and jitter if the application is sensitive to timing precision.
