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Reference schematic

Wharton world clock

adelansari-MCS-48-Clock-MCS-48-Clock-schematic

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adelansari-MCS-48-Clock-MCS-48-Clock-schematic

Take the project archive: a schematic is a root sheet plus every sub-sheet beside it, and the root alone opens with its hierarchy missing. The archive is zstd-compressed (tar.zst).

1Sheets
32Placed parts
55Net labels
KiCad 7File format

Bill of materials

28 distinct parts

20 resolve to something in the catalog — click through to the component.

RefValueSymbolQty
C1CDevice:C
C2CDevice:C
C3C_PolarizedDevice:C_Polarized
C4100nFDevice:C
J1Timecode inputConnector:Conn_01x02_Pin
R1RDevice:R
R21kDevice:R
SW1SW_DIP_x08Switch:SW_DIP_x08
SW2SW_DIP_x04Switch:SW_DIP_x04
U140934xxx_IEEE:4093
U10TC4094BPworld clock:4094
U11ULN2003ATransistor_Array:ULN2003A
U12ULN2003ATransistor_Array:ULN2003A
U13ULN2003ATransistor_Array:ULN2003A
U14ULN2003ATransistor_Array:ULN2003A
U15ULN2003ATransistor_Array:ULN2003A
U16ULN2003ATransistor_Array:ULN2003A
U17ULN2003ATransistor_Array:ULN2003A
U18L387Aworld clock:L387A
U28748MCU_Intel:8748
U3ILD74Isolator:ILD74
U4TC4094BPworld clock:4094
U5TC4094BPworld clock:4094
U6TC4094BPworld clock:4094
U7TC4094BPworld clock:4094
U8TC4094BPworld clock:4094
U9TC4094BPworld clock:4094
Y1Crystal 6MhzDevice:Crystal

Provenance

Commit
unknown
Licence
CC-BY-4.0

How it is used

Trace's agent reads this design as context — what parts a board like this carries, how they are grouped across sheets, what a plausible layer stack and board size look like for the job. It is not copied. The licence above is permissive, and it, the repository and the commit are recorded so the origin of anything derived from it is always answerable.