2 layers80.2 × 55.5 mm
2 layers213 × 84.8 mm
ZX Max 128 Issue 3 PCB
liveboxandy/ZX-Max-128-Issue-3KiCAD created files for the ZX Max 128 Issue 3 designed by DonSuperfo
- Size
- 213 × 84.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 170
- Nets
- 221
- Pads
- 774
- Tracks, vias
- 2,421, 205
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 10 Jul 2026
- Updated
- 27 Oct 2026
Overview
ZX Max 128 Issue 3 PCB is an open-source printed circuit board by liveboxandy, from the liveboxandy/ZX-Max-128-Issue-3 repository on GitHub. It is a 2-layer board of 213 × 84.8 mm with 170 parts on 221 nets, routed with 2,421 tracks and 205 vias.
It is built around the R-78E5.0-1.0, AD724JRZ and 74HC04D, with the AS6C1008-55PCN, ESP8266-12E and SN74HC174N among its other parts. Its parts include 78 resistors, 35 capacitors, 20 diodes, 12 ICs and 12 connectors. It belongs with the ESP8266 and FPGA and CPLD boards of this library.
Main components
8
R-78E5.0-1.0
SIP,11.6x7.5mm-40℃~+85℃ 1 10.2mm 11.6mm 1A 2200uF 300uA 50mVp-p 5V 7.5mm 7V~36V 850kHz 94% Short Circuit Protection、Automatic fault recovery Step-down type ±3% SIP,11.6x7.5mm DC-DC Power Modules ROHSYLPTECDC-DC Power Modules
AD724JRZ
SOIC-16-300mil0℃~+70℃ 5V Encoder SOIC-16-300mil Video Interface ICs ROHSAnalog DevicesVideo Interface ICs
74HC04D
SOP-14-40℃~+125℃ 1 1.5V~4.2V 1.9V、3.7V、5.2V 100mV、400mV、400mV 14ns@6V,50pF 2V~6V 2uA 5.2mA 5.2mA 500mV~1.8V 6 74HC SOIC-14 Inverters ROHSNexperiaInverters
AS6C1008-55PCN
PDIP-320℃~+70℃ 1Mbit 1uA 2.7V~5.5V 55ns 60mA PDIP-32 SRAM ROHSAlliance MemorySRAMESP8266-12E
LCC-22P_16X24mmLCC-22P_16X24mm New Arrivals ROHSAi-ThinkerUncategorised
SN74HC174N
DIP-16-40℃~+85℃ 1 27ns@6V,50pF 2V~6V 3pF 5.2mA 5.2mA 50MHz 6 74HC Series 8uA D-Type Reset Rising Edge DIP-16 Flip Flops ROHSTexas InstrumentsFlip Flops
DF02M
DFM-65℃~+150℃ 1.1V@1A 10uA@200V 1A 200V 50A Single-Phase Rectifier DFM Bridge Rectifiers ROHSDiodes IncorporatedBridge Rectifiers
PJ-002A
插件-25℃~+85℃ 2.5A 24V 2mm 5.5mm DC Power Jack Right Angle 插件 DC Power Connectors ROHSCUIDC Power Connectors
Parts
170| Qty | Value | Footprint | References |
|---|---|---|---|
| 31 | 470R | Mod:STA_CF14_STP | R1, R2, R12, R32, R36, R56, R57, R58, R59, R60, R61, R62, R63, R64, R65, R66 +15 |
| 19 | 1N4148 | Mod:DIOAD753W49L380D172B | D1, D2, D4, D5, D6, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20 +3 |
| 16 | 100nF | Mod:CAPRB250W50L400T250H550 | C8, C9, C10, C11, C12, C13, C14, C16, C17, C18, C22, C23, C24, C26, C31, C34 |
| 15 | 10K0 | Mod:STA_CF14_STP | R3, R4, R5, R6, R15, R16, R24, R25, R35, R45, R80, R81, R82, R83, R84 |
| 7 | 10uF 25V | Mod:CAPPRD200W50D500H1100 | C1, C2, C3, C4, C20, C21, C27 |
| 6 | 150R | Mod:STA_CF14_STP | R19, R20, R21, R34, R38, R43 |
| 6 | 75R0 | Mod:STA_CF14_STP | R39, R40, R41, R42, R86, R87 |
| 6 | MountingHole | Mod:MountingHole_3.2mm_M3_DIN965 | M1, M2, M3, M4, M5, M6 |
| 5 | 1K00 | Mod:STA_CF14_STP | R11, R50, R53, R54, R55 |
| 5 | 68R0 | Mod:STA_CF14_STP | R14, R18, R23, R26, R29 |
| 4 | 220uF 16V | Mod:CAP_YX_6P3X11_RUB | C28, C29, C30, C32 |
| 2 | 150K | Mod:STA_CF14_STP | R44, R46 |
| 2 | 27pF | Mod:CAPRB250W50L400T250H550 | C6, C7 |
| 2 | 2K20 | Mod:STA_CF14_STP | R51, R52 |
| 2 | 3n3 50V | Mod:CAPRB250W50L400T250H550 | C19, C35 |
| 2 | 4K7 | Mod:STA_CF14_STP | R17, R22 |
| 2 | Transistor BC548 | Mod:BC548BTA | Q9, Q10 |
| 1 | 100nF | Mod:Capacitor 3.8mm PItch | C15 |
| 1 | 10K | Mod:SIP249W50P254L2281H508Q9 | RN1 |
| 1 | 10nF 50V | Mod:CAPRB250W50L400T250H550 | C33 |
| 1 | 10pF | Mod:CAPRB250W50L400T250H550 | C25 |
| 1 | 1M00 | Mod:STA_CF14_STP | R10 |
| 1 | 22uF 16V | Mod:CAPPRD200W50D500H1100 | C5 |
| 1 | 28.375Mhz | Mod:Crystal_HC49-4H_Vertical | Y1 |
| 1 | 2K70 | Mod:STA_CF14_STP | R8 |
| 1 | 33K0 | Mod:STA_CF14_STP | R33 |
| 1 | 3V3 1Amp | Mod:SOT230P700X185-4N | U12 |
| 1 | 4.433Mhz | Mod:Crystal_HC49-4H_Vertical | Y2 |
| 1 | 470K | Mod:STA_CF14_STP | R85 |
| 1 | 5 Pin FFC | Mod:55203155 | J2 |
| 1 | 5 Pin JST XH | Mod:JST_B5B-XH-A_LF__SN_ | J2A1 |
| 1 | 74HC04 | Mod:DIP794W53P254L1930H508Q14N | U6 |
| 1 | 8 Pin FFC | Mod:55203155 | J1 |
| 1 | 8 Pin JST XH | Mod:JST_B8B-XH-A_LF__SN_ | J1A1 |
| 1 | AD724JRZ | Mod:RW_16_ADI | U11 |
| 1 | AS6C1008-55PCN | Mod:PDIP-32_MIL600_ALL | U4 |
| 1 | AS6C1008-55PCN | Mod:U3 | U3 |
| 1 | AV Jack | Mod:PJ-322A | J5 |
| 1 | AY-3-8910 | Mod:Z80_Socket | U8 |
| 1 | CON2 | Mod:HARWIN_M20-9990246 | J11 |
| 1 | Conn_02x02_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_Vertical | J10 |
| 1 | Connector 9 Pin Mini DIN | Mod:KMDGX9SBS1 | J8 |
| 1 | Connector Audio 3525N | Mod:CUI_SJ1-3525N | J6 |
| 1 | DF02M | Mod:DIP825W58P510L832H543Q4N | D21 |
| 1 | EEPROM/EPROM 32Kx8 | Mod:DIP1556W56P254L3702H483Q28N | U2 |
| 1 | EPM7128SLC | Mod:PLCC84AT | U5 |
| 1 | ESP8266-12E | Mod:WIFI_Module_ESP8266_12E | U15 |
| 1 | Header 5x2 | Mod:AMPHENOL_10129381-910002BLF | J14 |
| 1 | PJ-002A | Mod:CUI_PJ-002A | J4 |
| 1 | R-78E5.0-1.0 | Mod:CONV_R-78E5.0-1.0 | U7 |
| 1 | SN74HC174N | Mod:DIP794W53P254L1930H508Q16N | U9 |
| 1 | Speaker | Mod:Speaker | LS1 |
| 1 | Switch 6x6 RA | Mod:SW2_1825027-G_TEC | SW1 |
| 1 | Z80 | Mod:Z80_Socket | U1 |
| 1 | ZX_48K_EDGE | Mod:ZX_BUS_B_TOP | J3 |
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Questions
How big is the ZX Max 128 Issue 3 PCB PCB?
It measures 213 × 84.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ZX Max 128 Issue 3 PCB use?
170 parts, built around the R-78E5.0-1.0, AD724JRZ, 74HC04D and AS6C1008-55PCN. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the ZX Max 128 Issue 3 PCB KiCad files?
From the liveboxandy/ZX-Max-128-Issue-3 repository on GitHub, at the commit this page was made from: the board is ZX Max 128 Issue 3 PCB.kicad_pcb and its schematic CPU-ROM-RAM.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the ZX Max 128 Issue 3 PCB design in my own project?
Its repository states no licence, so its author keeps all rights: ask liveboxandy before reusing the design.