HEC-Model-Z1
About the HEC-Model-Z1 PCB
HEC-Model-Z1 is an open source PCB design by Andy18650, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 243.8 × 170.2 mm, with 113 components from 47 distinct parts.
Other key parts include the Z80CPU, AS6C4008-55PCN, CY7C199, 74LS138 and 28C256. By type, the board carries 44 ICs, 36 capacitors, 13 resistors, 8 connectors, 2 crystals and 2 jumpers.
It belongs with the retro computing designs in this gallery.
From the project
A Z80 computer with protected mode support
Main components on the HEC-Model-Z1
HEC-Model-Z1 bill of materials (BOM)
113 components, 47 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Z80CPU | DIP-40_W15.24mm_Socket_ThinPads | U1 |
| 2 | AS6C4008-55PCN | DIP-32_W15.24mm_Socket_ThinPads | U2, U3 |
| 2 | CY7C199 | DIP-28_W7.62mm_Socket_ThinPads | U4, U5 |
| 3 | 74LS138 | DIP-16_W7.62mm_Socket_ThinPads | U6, U8, U18 |
| 1 | 28C256 | DIP-28_W15.24mm_Socket_ThinPads | U7 |
| 4 | 74LS574 | DIP-20_W7.62mm_Socket_ThinPads | U9, U20, U21, U36 |
| 5 | 74LS32 | DIP-14_W7.62mm_Socket_ThinPads | U10, U15, U16, U31, U37 |
| 1 | 74LS00 | DIP-14_W7.62mm_Socket_ThinPads | U11 |
| 1 | 74LS04 | DIP-14_W7.62mm_Socket_ThinPads | U12 |
| 2 | 74LS245 | DIP-20_W7.62mm_Socket_ThinPads | U13, U14 |
| 2 | 74LS20 | DIP-14_W7.62mm_Socket_ThinPads | U17, U33 |
| 2 | 74LS30 | DIP-14_W7.62mm_Socket_ThinPads | U19, U28 |
| 2 | 74LS02 | DIP-14_W7.62mm_Socket_ThinPads | U22, U41 |
| 5 | 74LS74 | DIP-14_W7.62mm_Socket_ThinPads | U23, U24, U27, U29, U30 |
| 3 | 74LS541 | DIP-20_W7.62mm_Socket_ThinPads | U25, U26, U44 |
| 1 | LM79M05_TO220 | TO-220-3_Vertical | U32 |
| 1 | 74LS393 | DIP-14_W7.62mm_Socket_ThinPads | U34 |
| 1 | 74LS08 | DIP-14_W7.62mm_Socket_ThinPads | U35 |
| 2 | 74LS47 | DIP-16_W7.62mm_Socket_ThinPads | U38, U39 |
| 1 | DA04-11EWA | DA04-11SURKWA | U40 |
Show 27 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS06 | DIP-14_W7.62mm_Socket_ThinPads | U42 |
| 1 | ~ | DIP-40_W15.24mm_Socket_ThinPads | U43 |
| 1 | CXO_DIP8 | Oscillator_DIP-8 | X1 |
| 1 | Crystal | Crystal_HC18-U_Vertical | Y1 |
| 1 | Barrel_Jack_Switch | BarrelJack_Kycon_KLDX-0202-xC_Horizontal | J1 |
| 1 | Conn_02x12_Odd_Even | PinHeader_2x12_P2.54mm_Vertical | J2 |
| 1 | Conn_02x05_Odd_Even | PinHeader_2x05_P2.54mm_Vertical | J3 |
| 1 | ~ | Connector_double_mini-DIN_6 | J4 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_MetzConnect_Type073_RT02602HBLU_1x02_P5.08mm_Horizontal | J5 |
| 1 | AudioJack3 | Jack_3.5mm_CUI_SJ1-3533NG_Horizontal | J7 |
| 1 | NES_Port_Male | NES_Port_Male_Horizontal | J8 |
| 1 | Conn_02x14_Odd_Even | PinHeader_2x14_P2.54mm_Vertical | J9 |
| 2 | ~ | Bus_HEC | BUS1, BUS2 |
| 2 | ~ | Bus_HEC_5Vonly | BUS3, BUS4 |
| 2 | SolderJumper_2_Open | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1, JP2 |
| 1 | ITX0512S | Converter_DCDC_XP_POWER-ITxxxxxS_THT | PS1 |
| 1 | SW_DIP_x04 | SW_DIP_SPSTx04_Slide_9.78x12.34mm_W7.62mm_P2.54mm | SW1 |
| 1 | SW_Push | SW_PUSH_6mm | SW2 |
| 1 | LED | LED_D3.0mm | D1 |
| 25 | C | C_Disc_D7.0mm_W2.5mm_P5.00mm | C1, C2, C3, C4, C5, C6, C7, C8 +17 |
| 3 | C_Polarized | CP_Radial_D6.3mm_P2.50mm | C9, C10, C11 |
| 6 | C_Polarized | CP_Radial_D10.0mm_P5.00mm | C12, C21, C30, C33, C34, C35 |
| 2 | C | C_Disc_D3.4mm_W2.1mm_P2.50mm | C31, C32 |
| 4 | R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R3, R4 |
| 1 | R_Network08 | R_Array_SIP9 | RN1 |
| 6 | R_Network04 | R_Array_SIP5 | RN2, RN5, RN6, RN7, RN8, RN9 |
| 2 | R_Pack07 | DIP-14_W7.62mm | RN3, RN4 |
HEC-Model-Z1 design files
The KiCad project lives in the Andy18650/HEC-Model-Z1 repository on GitHub; these links point at the commit this page was built from.
- LayoutKiCad/HEC1.kicad_pcb
- SchematicKiCad/HEC1.kicad_sch
HEC-Model-Z1: common questions
How big is the HEC-Model-Z1 PCB?
The HEC-Model-Z1 measures 243.8 × 170.2 mm, has 4 copper layers and is 1.325 mm thick.
How many components are on the HEC-Model-Z1?
113 components, from 47 distinct parts. The full bill of materials is listed on this page.
Where can I download the HEC-Model-Z1 design files?
From the Andy18650/HEC-Model-Z1 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the HEC-Model-Z1 design in my own project?
Yes, under the terms of its GPL-3.0 license, which Andy18650 chose for the repository.
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