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Product Detailed Parameters
- Description：13 MHz XO 1.8V 2.0X1.6 MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：13 MHz
- Function：Standby (Power Down)
- 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 18QHTF21-13.000-PD is a 13 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The device features a Standby (Power Down) function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for applications requiring precise clock signals in space-constrained environments.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated standby mode for power reduction
- Compact surface-mount package design
Applications
- Portable electronic devices
- Battery-powered systems
- Consumer electronics
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to avoid assembly issues during manufacturing.
Selection Notes
Select this model when a low-voltage 1.8V operation is required alongside a small form factor. The LVCMOS output is suitable for standard digital logic families. Consider the standby feature if power efficiency is critical. Verify that the 13 MHz frequency meets the system clock requirements compared to other available frequencies in the series.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. The 'PD' suffix typically indicates the presence of a power-down pin or functionality. The 2.0x1.6mm package size distinguishes it from larger variants in the product line.
Replacement Considerations
Direct substitutes include other 18QHTF21 models with identical 1.8V LVCMOS specifications and 2.0x1.6mm packages, such as 18QHTF21-13.558-OE, provided the frequency difference is acceptable. Cross-reference with other manufacturers offering 1.8V LVCMOS XO in 4-SMD no-lead packages if Mercury parts are unavailable.
