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Product Detailed Parameters
- Description：7.0 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：7 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)：21mA
- 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 18QHTF21-7.000-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 7 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a power-down feature for standby mode. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- LVCMOS output logic interface
- Integrated power-down capability for standby operation
- Compact 4-SMD no-lead surface mount package
Applications
- General clock signal generation
- Digital circuit timing references
- Embedded system clock sources
Procurement Notes
Verify the specific suffix 'PD' confirms the power-down functionality as documented. Ensure the 1.8V supply voltage requirement aligns with the target circuit design. Confirm the 4-SMD no-lead package footprint matches the PCB layout specifications before ordering.
Selection Notes
Select this component when a low-voltage 1.8V clock source is required. The LVCMOS output is suitable for standard digital logic families. Consider the small 2.0x1.6 mm package size for space-constrained designs. Verify temperature range requirements against application needs.
Part Context
This part belongs to the QHTF series of surface-mount oscillators from Mercury Electronic. The series offers various frequencies and voltages. The 18 prefix indicates the 1.8V supply variant. The PD suffix denotes power-down support. Mercury Electronics specializes in quartz crystal products.
FAQ
What is the output logic type?
The output logic is LVCMOS.
Does this oscillator support power saving?
Yes, it features a power-down (standby) mode.
