DSC1001CI1-019.2000 Equivalent & Substitute Parts

Part Overview

The DSC1001CI1-019.2000 is a 19.2 MHz MEMS-based XO (Standard) oscillator manufactured by Microchip Technology. This CMOS oscillator operates across a 1.8V to 3.3V supply range and includes standby (power down) functionality. The device is housed in a 4-VDFN surface mount package and is rated to AEC-Q100 automotive standards. The part is currently active in production with 939 units in stock.

Substitute parts are identified when they maintain electrical and mechanical compatibility while offering improved performance characteristics or alternative availability options within the same product series.

Substiute Parts

DSC1001CI1-019.2000

Microchip TechnologyIn Stock: 979DSC1001CI1-019.2000 Datasheet

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DSC1001CI5-019.2000

Microchip TechnologyIn Stock: 1565DSC1001CI5-019.2000 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The DSC1001CI5-019.2000 qualifies as a direct substitute for the DSC1001CI1-019.2000 based on the following criteria:

Maintained Parameters (Substitution Basis):

• Identical frequency: 19.2 MHz
• Identical output type: CMOS
• Identical supply voltage range: 1.8V ~ 3.3V
• Identical function: Standby (Power Down)
• Identical package: 4-VDFN
• Identical physical dimensions: 0.126" L x 0.098" W (3.20mm x 2.50mm)
• Identical operating temperature range: -40°C ~ 85°C
• Identical maximum supply current: 6.3mA
• Identical mounting type: Surface Mount
• Identical base resonator technology: MEMS
• Identical automotive rating: AEC-Q100

Improved Characteristics:

• Enhanced frequency stability: ±10ppm (versus ±50ppm)
• Improved moisture sensitivity level: MSL 1 Unlimited (versus MSL 3 168 Hours)

Parameter Comparison

Engineering Selection Recommendations

Both the DSC1001CI1-019.2000 and DSC1001CI5-019.2000 are active production parts with AEC-Q100 automotive qualification and ROHS3 compliance. The DSC1001CI5-019.2000 offers superior frequency stability (±10ppm versus ±50ppm) and improved moisture handling characteristics (MSL 1 Unlimited versus MSL 3 168 Hours). Selection between these parts depends on application-specific stability requirements and storage/handling conditions. Both parts maintain identical electrical and mechanical interfaces, ensuring direct PCB-level compatibility.

Frequently Asked Questions (FAQ)

Q: Can the DSC1001CI5-019.2000 directly replace the DSC1001CI1-019.2000 on existing PCBs?

A: Yes. Both parts share identical package geometry (4-VDFN), pinout, supply voltage range (1.8V ~ 3.3V), frequency (19.2 MHz), and output type (CMOS). No PCB modifications are required.

Q: What is the primary difference between these two parts?

A: The DSC1001CI5-019.2000 provides enhanced frequency stability (±10ppm versus ±50ppm) and superior moisture sensitivity rating (MSL 1 Unlimited versus MSL 3 168 Hours). All other electrical and mechanical parameters remain identical.

Q: Are both parts suitable for automotive applications?

A: Yes. Both parts carry AEC-Q100 automotive qualification and are rated for -40°C to 85°C operating temperature.

Q: Do these parts require different handling procedures?

A: The DSC1001CI5-019.2000 has an MSL rating of 1 (Unlimited), indicating superior moisture resistance compared to the DSC1001CI1-019.2000 (MSL 3, 168 Hours). This means the DSC1001CI5-019.2000 has less stringent moisture exposure limitations during storage and assembly.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected.