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18QHTF21-22.040-PD is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 22.04 MHz XO 1.8V 2.0X1.6 MM PD. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-22.040-PD
- Description：22.04 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：22.04 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：-
Oscillators datasheet and documents for 18QHTF21-22.040-PD
Oscillators Overview
The 18QHTF21-22.040-PD is a 22.04 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 energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.
Oscillators Feature Summary
- LVCMOS output logic for standard digital interfacing
- Integrated standby mode to reduce power consumption
- Compact surface-mount form factor
Oscillators Applications
- General clock signal generation
- Low voltage digital systems
- Portable electronic devices requiring power efficiency
Oscillators Procurement Notes
Verify the specific frequency suffix matches the required 22.04 MHz specification. Confirm the 'PD' suffix indicates the Power Down feature as documented. Ensure the 1.8V supply voltage aligns with the target circuit design. Check package compatibility for the 2.0x1.6mm footprint during assembly planning.
Oscillators Selection Notes
Select this component when a stable 22.04 MHz reference is needed in space-constrained designs. The 1.8V operation suits modern low-power integrated circuits. The standby capability is critical for battery-operated applications. Verify that LVCMOS swing levels are compatible with the receiving input thresholds.
Oscillators Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies within a standardized 2.0x1.6mm package. The PD variant specifically includes power-down functionality, distinguishing it from standard continuous-output models in the same family.
Oscillators Replacement Considerations
Direct substitutes include other 22.04 MHz XO components in 4-SMD packages with 1.8V operation and LVCMOS outputs. Cross-reference pinouts and electrical characteristics carefully. Ensure the replacement supports the required standby control mechanism if power management is essential.
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