DSC1101CE2-100.0000 Equivalent & Substitute Parts

Part Overview

The DSC1101CE2-100.0000 is a 100 MHz MEMS-based XO (Standard) CMOS oscillator manufactured by Microchip Technology. This component operates within a 2.25V to 3.6V supply voltage range and features standby (power down) functionality. The device is housed in a 6-SMD, No Lead package with dimensions of 3.20mm x 2.50mm and a maximum seated height of 0.90mm. The part is currently Active in product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to provide design flexibility, inventory alternatives, and sourcing options while maintaining functional compatibility.

Substiute Parts

DSC1101CE2-100.0000

Microchip TechnologyIn Stock: 1080DSC1101CE2-100.0000 Datasheet

Current PartRFQ

ASEMB-100.000MHZ-LY-T

Abracon LLCIn Stock: 4140ASEMB-100.000MHZ-LY-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DSC1101CE2-100.0000 are identified based on the following critical parameters that determine functional and mechanical compatibility:

Frequency Match: 100 MHz operation is the primary functional requirement. All substitute parts must operate at this exact frequency.

Base Resonator Technology: MEMS-based resonators ensure consistent performance characteristics and compatibility with the original design.

Output Type: CMOS output is required for direct signal compatibility with downstream circuitry.

Standby Function: Power down capability must be present to maintain system-level power management functionality.

Physical Compatibility: Surface mount packaging with 3.20mm x 2.50mm footprint and 0.90mm maximum height ensures PCB layout compatibility.

Voltage Supply Range: The substitute part voltage range must overlap with or encompass the original 2.25V to 3.6V specification to ensure operation across the intended supply voltage window.

Compliance & Certifications: ROHS3 compliance and MSL 1 rating ensure regulatory and environmental compatibility.

The ASEMB-100.000MHZ-LY-T from Abracon LLC qualifies as a substitute based on these parameters, though specific electrical characteristics differ as detailed in the parameter comparison section.

Parameter Comparison

Engineering Selection Recommendations

DSC1101CE2-100.0000 (Microchip Technology): Select this part when the original design specifications require the 6-SMD package configuration and the 2.25V minimum supply voltage threshold. This part maintains Active product status with full ROHS3 compliance and unlimited MSL rating.

ASEMB-100.000MHZ-LY-T (Abracon LLC): This substitute is suitable when design requirements can accommodate the 4-SMD package and when the extended operating temperature range (-40°C to 85°C) and improved frequency stability (±10ppm) provide system-level benefits. The lower minimum supply voltage (1.8V) expands operational flexibility in low-power applications. Both parts maintain Active product status and identical compliance certifications.

Selection between these parts should be based on specific PCB layout constraints, package pin configuration compatibility, supply voltage requirements, and thermal operating range needs of the target application.

Frequently Asked Questions (FAQ)

Q: Can the ASEMB-100.000MHZ-LY-T directly replace the DSC1101CE2-100.0000 on an existing PCB?

A: Direct PCB replacement requires verification of package compatibility. The DSC1101CE2-100.0000 uses a 6-SMD, No Lead package while the ASEMB-100.000MHZ-LY-T uses a 4-SMD, No Lead package. Although both share identical footprint dimensions (3.20mm x 2.50mm) and height (0.90mm), the pin count and configuration differ. PCB layout and schematic review is necessary to confirm compatibility.

Q: What are the key electrical differences between these parts?

A: The primary electrical differences are frequency stability (±25ppm vs. ±10ppm), operating temperature range (-20°C to 70°C vs. -40°C to 85°C), supply voltage range (2.25V-3.6V vs. 1.8V-3.3V), and maximum supply current (95µA vs. 16mA). The ASEMB part offers tighter frequency tolerance and wider temperature operation, while the DSC1101 operates at lower maximum current.

Q: Are both parts suitable for high-reliability applications?

A: Both parts carry ROHS3 compliance, MSL 1 (Unlimited) rating, and Active product status. Compliance certifications are identical. Application-specific reliability requirements should be evaluated based on operating conditions, frequency stability needs, and temperature range demands.

Q: What is the significance of the different supply voltage ranges?

A: The DSC1101CE2-100.0000 operates from 2.25V to 3.6V, while the ASEMB-100.000MHZ-LY-T operates from 1.8V to 3.3V. The overlap region (2.25V to 3.3V) represents the common operating window. Applications requiring operation below 2.25V must use the Abracon part; applications requiring operation above 3.3V must use the Microchip part.

Q: How do the package differences affect component selection?

A: The 6-SMD package of the DSC1101CE2-100.0000 and the 4-SMD package of the ASEMB-100.000MHZ-LY-T have different pin configurations despite identical physical dimensions. PCB footprint, schematic connections, and available board space must all be evaluated to determine which package is suitable for the target application.