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SC108 v1.0 Z80 Processor for RC2014

6 months ago 616
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SC108 v1.0 (

Z80 Processor module for RC2014


  • Z80 CPU
  • 128k bytes RAM (second 64k not easy to use!)
  • 32k bytes ROM
  • Oscillator 7.3728 MHz
  • Reset (using DS1233-5)
  • Software compatible with standard RC2014 modules
  • Runs Small Computer Monitor v1.0 configuration R3
  • Add serial module (SIO or 68B50) for Monitor and BASIC
  • Add Compact Flash module for CP/M
  • Indicator to show if ROM or RAM is paged in

See attached User Guide for full details





ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted Mouser
1 10k R1,R2,R3,R4 AXIAL-0.3 4 Yes
2 RC2014 Male 39 P1 HDR-1X39-A-M-R-2.54MM 1 Yes
3 RC2014 Male 10 P1A HDR-1X10-S-M-2.54MM 1 Yes
4 100nF C1,C2,C3,C4,C5 CAP-RAD-2.54MM 5 Yes
5 470R R5 AXIAL-0.3 1 Yes
6 GRN-3MM LED1 LED-3MM/2.54 1 WP934AD/GD Kingbright Mouser Yes 604-WP934ADGD
7 7.3728MHz X1 OSC-08 1 Mouser Yes 774-MXO45HS-3C-7.3
8 1nF C6 CAP-RAD-2.54MM 1 Mouser Yes 594-K102K15X7RH53L2
9 DS1233-5+ U7 TO92 1 DS1233A-5+ Mouser Yes 700-DS1233-5
10 Z80 CPU U1 PDIP-40-0.6 1 Mouser Yes 692-Z84C0010PEG
11 74HCT138 U5 PDIP-16 1 Mouser Yes 595-SN74HCT138N
12 EPROM 27C256 U3 PDIP-28-0.6 1 Mouser Yes 556-AT27C256R-45PU
13 RAM 128k U2 PDIP-32-0.6 1 Mouser Yes 913-AS6C1008-55PCN
14 74HCT4075 U4 PDIP-14 1 Mouser Yes 595-CD74HCT4075E
15 74HCT74 U6 PDIP-14 1 Mouser Yes 595-SN74HCT74N


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