Review all available part information (MPN, package, pin count, description, properties). If no datasheet URL is already set, search the web for the official datasheet and update the part's Datasheet property with the URL. Then cross-check the schematic symbol, footprint, and pin descriptions against the datasheet. Summarize key specs and flag any mismatches.
I’ll review the part metadata, find/set the official datasheet if needed, then compare symbol, footprint, and pin descriptions against the datasheet and report any mismatches.
I found the official SiTime SiT8208 datasheet and added it to the part’s Datasheet URL property. I’m now using it to validate the pinout and package details.
Completed the part review and added the official SiTime datasheet URL: https://www.sitime.com/datasheet/SiT8208.
Key result: the schematic pinout matches the datasheet — OE=1, GND=2, OUT=3, VDD=4 — but I flagged metadata gaps and a footprint-dimension concern. Full findings are in the new project document: part-datasheet-review-sit8208ai-2f-33e-32p768000x.
Open items:
Manufacturer Name and Part Type are blank.
GND is typed as Power In instead of Ground.
Footprint pad dimensions need verification/correction against the SiTime land pattern before publishing.
Voltage code 33: 3.3 V nominal, datasheet range 2.97 V to 3.63 V
Feature pin code E: Output Enable
Package code 2: 3.2 mm × 2.5 mm package
Height from datasheet package table: 0.75 mm nominal/tolerance shown; project description's 0.8 mm likely refers to nominal/max height from supplier/manufacturer recommendation
Recommended decoupling: 0.1 µF from VDD to GND
OE/ST behavior: high or open = output enabled; low = output high-Z for OE variant; datasheet recommends <10 kΩ pull-up to VDD in high-noise environments
Datasheet pinout
Top-view pinout from datasheet:
Table
Pin
Datasheet symbol
Function
1
OE/ST
Output Enable / Standby feature pin; for this E variant, OE
2
GND
Electrical ground
3
OUT
Oscillator output
4
VDD
Power supply voltage
Schematic-symbol cross-check
Current symbol terminals:
Table
Terminal
Pin Number property
Pin Type property
Result
OE
1
Input
Matches datasheet OE pin
GND
2
Power In
Functionally acceptable but should preferably be typed/grouped as Ground
OUT
3
Output
Matches datasheet OUT pin
VDD
4
Power In
Matches datasheet VDD pin
Schematic pin numbering and signal names match the datasheet.
Footprint cross-check
Current PCB has 4 SMD pads named OE, GND, OUT, and VDD, matching the 4-terminal package. The pad ordering appears to follow the datasheet top-view orientation: pin 1 upper-left, pin 2 lower-left, pin 3 lower-right, pin 4 upper-right.
However, the layout inspection reports pad positions/sizes as:
Pad centers: approximately ±0.00095 mm and ±0.0011 mm
Pad size: approximately 0.0012 mm × 0.0014 mm
Those dimensions are physically impossible for the SiT8208 package and appear to be a unit-scaling issue in the footprint data. If interpreted as 1000× larger, the values become ±0.95 mm / ±1.10 mm centers and 1.2 mm × 1.4 mm pads, which may be plausible for a 3.2 mm × 2.5 mm oscillator footprint, but this should be explicitly corrected/verified against SiTime's recommended land pattern before publishing.
Mismatches / issues flagged
Datasheet URL was missing — fixed by adding the official SiTime datasheet URL.
Manufacturer Name is blank — should be SiTime.
Part Type is blank — should be Oscillator.
Pin descriptions are minimal — terminal names and pin numbers are correct, but explicit Pin Description / Section / Pin Group metadata should be added for clarity.
GND Pin Type is Power In — electrically workable, but Ground would better reflect the datasheet.
Footprint dimensions need verification — pad data appears scaled by 1/1000 in the inspection output, or otherwise not represented in usable millimeters. Do not treat the footprint as fully verified until the land pattern dimensions are confirmed against the datasheet.
Change GND terminal type to Ground if supported by the part editor.
Verify/correct the footprint land pattern for the 3.2 mm × 2.5 mm SiT8208 package, including pad size, pad spacing, courtyard/fab outline, and pin-1 marker.