SIT9003AI-13-33EB-80.00000T MEMS Oscillator Equivalent & Substitute Parts

Part Overview

The SIT9003AI-13-33EB-80.00000T is an 80 MHz MEMS oscillator manufactured by SiTime, designed for applications requiring stable frequency generation with enable/disable functionality. This Active product operates at 3.3V supply voltage and delivers LVCMOS/LVTTL output logic levels in a compact 4-SMD, No Lead surface mount package. Alternative equivalent parts may be required due to inventory constraints, design revisions, or supply chain considerations while maintaining identical electrical and mechanical performance specifications.

Substiute Parts

SIT9003AI-13-33EB-80.00000T

SiTimeIn Stock: 1005SIT9003AI-13-33EB-80.00000T Datasheet

Current PartRFQ

SIT9003AI-13-33EO-80.00000X

SiTimeIn Stock: 862SIT9003AI-13-33EO-80.00000X Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SIT9003AI-13-33EB-80.00000T is determined by strict equivalence across the following critical parameters:

Frequency matching at 80 MHz ensures signal integrity in target applications. Output logic type (LVCMOS/LVTTL) must remain consistent for interface compatibility. Supply voltage of 3.3V is mandatory for power distribution and signal level compliance. Enable/Disable function preservation maintains operational control requirements. Frequency stability of ±50ppm establishes timing accuracy boundaries. Operating temperature range of -40°C ~ 85°C defines environmental performance limits. Current consumption specifications (4.1mA maximum) ensure power budget compliance. Package type (4-SMD, No Lead) and physical dimensions (2.50mm x 2.00mm, 0.80mm height) guarantee PCB layout and assembly compatibility. RoHS3 compliance and MSL Level 1 rating confirm regulatory and handling requirements.

The identified substitute part SIT9003AI-13-33EO-80.00000X meets all these critical parameters and belongs to the same SiT9003 series.

Parameter Comparison

Engineering Selection Recommendations

Both the SIT9003AI-13-33EB-80.00000T and SIT9003AI-13-33EO-80.00000X are Active products from SiTime's SiT9003 series, ensuring ongoing manufacturer support and supply availability. Both parts maintain ROHS3 compliance and carry MSL Level 1 rating, confirming regulatory alignment and simplified handling requirements for manufacturing environments.

The substitute part SIT9003AI-13-33EO-80.00000X includes specified spread spectrum bandwidth (-0.50%, Down Spread), whereas the main part does not specify this parameter. This difference does not affect substitution eligibility when spread spectrum functionality is not a design requirement. Selection between these parts should be based on inventory availability, lead time, and any design-specific spread spectrum requirements.

Frequently Asked Questions (FAQ)

Q: Can SIT9003AI-13-33EO-80.00000X replace SIT9003AI-13-33EB-80.00000T in existing designs?

A: Yes. Both parts share identical electrical specifications (80 MHz frequency, 3.3V supply, LVCMOS/LVTTL output, ±50ppm stability, -40°C ~ 85°C operating range, 4.1mA maximum current) and mechanical specifications (4-SMD No Lead package, 2.50mm x 2.00mm x 0.80mm dimensions). Pin-to-pin compatibility and functional equivalence are confirmed.

Q: What is the difference between these two part numbers?

A: The primary difference is the spread spectrum bandwidth specification. SIT9003AI-13-33EO-80.00000X includes -0.50% Down Spread, while SIT9003AI-13-33EB-80.00000T does not specify this parameter. Both parts deliver the same 80 MHz center frequency and stability performance.

Q: Are there any PCB layout or assembly considerations when substituting these parts?

A: No. Both parts use identical 4-SMD, No Lead packaging with matching physical dimensions (0.098" L x 0.079" W, 0.031" maximum seated height). PCB footprints, reflow profiles, and assembly processes remain unchanged.

Q: Do both parts meet the same compliance and regulatory requirements?

A: Yes. Both parts are ROHS3 compliant, carry MSL Level 1 rating, and maintain Active product status from SiTime. Regulatory and environmental handling requirements are identical.

Q: Which part should be selected for new designs?

A: Selection should be based on current inventory availability and lead time. Both parts are functionally equivalent for applications where spread spectrum is not a design requirement. If spread spectrum functionality is needed, SIT9003AI-13-33EO-80.00000X with -0.50% Down Spread is the appropriate choice.