License

Public Domain

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24 hour cmos clock with display multiplexing

3 years ago 451
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

Documents

Sheet_1

Main_PCB

BOM

ID Name Designator Footprint Quantity
1 BC338-16 Q1,Q2,Q3,Q4 TO92-INLINE 4
2 CD4071 U6,U7 DIP-14 2
3 CD4052BE U9,U10,U11 DIP-16 3
4 330R R1,R2,R3,R4,R5,R6,R7 AXIAL-0.4 7
5 100n C3,C4,C6 RAD-0.1 3
6 220k R10,R11,R12,R13,R17,R18,R19,R20 AXIAL-0.4 8
7 1N4148TA D1,D2 DO-35 2
8 180R R15,R16 AXIAL-0.4 2
9 CD4060BE U1 DIP-16 1
10 CD4081BE U4,U5 DIP-14 2
11 CD4013BE U2,U3 DIP-14 2
12 CD40106BE U8 DIP-14 1
13 CD4518BE U12,U13,U14 DIP-16 3
14 CD4511BE U15 DIP-16 1
15 100u C5 CAP-D4.0XF1.5 1
16 Power P1 HDR-1X2/2.54 1
17 Adjust SWs P2 HDR-3X1/2.54 1
18 2k2 R14 AXIAL-0.4 1
19 To display board P3 HDR-13X1/2.54 1
20 DS32KHZS U16 NONE 1

Attachments

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Members

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