# RetroZ SBC S80 ## Description A minimalist single board Z80 retro computer based on the S80 design specifications. This board is developped using the S80 physical specifications. The specifications are not currently available online but I plan to fix that in a future revision. ## Project Details - **Owner:** jecstronic - **Created:** 9/28/2022 - **Last Updated:** 10/8/2022 - **Visibility:** Public - **Stars:** 1 - **Forks:** 1 - **Copies:** 2 ## Key Components ### D1 — [151051VS04000](https://www.flux.ai/jecstronic/151051vs04000.md) - Datasheet URL: https://www.we-online.com/katalog/datasheet/151051VS04000.pdf - Part Type: LED - Forward Voltage: 2.1V - Manufacturer Part Number: 151051VS04000 - Manufacturer Name: Würth Elektronik **Pins:** - A - K ### D2 — [151031SS06000](https://www.flux.ai/jecstronic/151031ss06000.md) - Part Type: LED - Manufacturer Name: Wurth Electronics - Forward Voltage: 2.2V - Manufacturer Part Number: 151031SS06000 - Datasheet URL: https://www.we-online.com/katalog/datasheet/151031SS06000.pdf **Pins:** - A - K ### D3 — [151031SS06000](https://www.flux.ai/jecstronic/151031ss06000.md) - Forward Voltage: 2.2V - Part Type: LED - Manufacturer Name: Wurth Electronics - Datasheet URL: https://www.we-online.com/katalog/datasheet/151031SS06000.pdf - Manufacturer Part Number: 151031SS06000 **Pins:** - A - K ### H1 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H10 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H11 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H12 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H2 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H3 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H4 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H5 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H6 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H7 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H8 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### H9 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad.md) - Part Type: Connector **Pins:** - Pin_1 ### IC1 — [ADM803TAKSZ-REEL](https://www.flux.ai/jecstronic/adm803taksz-reel.md) - Manufacturer Part Number: ADM803TAKSZ-REEL - Part Type: Integrated Circuit - Manufacturer Name: Analog Devices Inc. - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/ADM803_809_810.pdf **Pins:** - GND - RESET - VCC ### IC2 — [AT28C256-15PU](https://www.flux.ai/jecstronic/at28c256-15pu.md) - Part Type: Integrated Circuit - Manufacturer Name: Microchip Technology - Manufacturer Part Number: AT28C256-15PU - Datasheet URL: https://www.microchip.com/filehandler/redirect?https://ww1.microchip.com/downloads/en/DeviceDoc/AT28C256-%E2%80%93-Industrial-Grade-256-Kbit-(32,768-x-8)-Paged-Parallel-EEPROM.pdf **Pins:** - ~CE - ~OE - ~WE - A0 - A1 - A10 - A11 - A12 - A13 - A14 - A2 - A3 - A4 - A5 - A6 - A7 - A8 - A9 - GND - I/O0 - I/O1 - I/O2 - I/O3 - I/O4 - I/O5 - I/O6 - I/O7 - VCC ### IC3 — [AS6C62256-55PCN](https://www.flux.ai/jecstronic/as6c62256-55pcn.md) - Manufacturer Name: Alliance Memory - Datasheet URL: https://www.mouser.com/datasheet/2/12/AS6C62256_23_March_2016_rev1_2-1288423.pdf - Manufacturer Part Number: AS6C62256-55PCN - Part Type: Integrated Circuit **Pins:** - A0 - A1 - A10 - A11 - A12 - A13 - A14 - A2 - A3 - A4 - A5 - A6 - A7 - A8 - A9 - CE# - DQ0 - DQ1 - DQ2 - DQ3 - DQ4 - DQ5 - DQ6 - DQ7 - OE# - VCC - Vss - WE# ### J1 — [Pin Header 02x20 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x20-254mm-vertical.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_10 - Pin_11 - Pin_12 - Pin_13 - Pin_14 - Pin_15 - Pin_16 - Pin_17 - Pin_18 - Pin_19 - Pin_2 - Pin_20 - Pin_21 - Pin_22 - Pin_23 - Pin_24 - Pin_25 - Pin_26 - Pin_27 - Pin_28 - Pin_29 - Pin_3 - Pin_30 - Pin_31 - Pin_32 - Pin_33 - Pin_34 - Pin_35 - Pin_36 - Pin_37 - Pin_38 - Pin_39 - Pin_4 - Pin_40 - Pin_5 - Pin_6 - Pin_7 - Pin_8 - Pin_9 ### J2 — [Pin Header 01x08 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x08-254mm-vertical.md) - Manufacturer Name: Adafruit Industries LLC - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Adafruit%20PDFs/85_Web.pdf - Part Type: Connector - Manufacturer Part Number: 85 **Pins:** - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 ### J3 — [Pin Header 01x08 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x08-254mm-vertical.md) - Part Type: Connector - Manufacturer Part Number: 85 - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Adafruit%20PDFs/85_Web.pdf - Manufacturer Name: Adafruit Industries LLC **Pins:** - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 ### J4 — [Pin Header 02x05 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x05-254mm-vertical.md) - Manufacturer Part Number: PRPC005DAAN-RC - Datasheet URL: https://drawings-pdf.s3.amazonaws.com/11636.pdf - Manufacturer Name: Sullins Connector Solutions - Part Type: Connector **Pins:** - Pin_1 - Pin_10 - Pin_2 - Pin_3 - Pin_4 - Pin_5 - Pin_6 - Pin_7 - Pin_8 - Pin_9 ### J5 — [629105150521](https://www.flux.ai/jecstronic/629105150521.md) - Manufacturer Part Number: 629105150521 - Part Type: USB - Manufacturer Name: Würth Elektronik - Datasheet URL: https://www.we-online.com/katalog/datasheet/629105150521.pdf **Pins:** - D- - D+ - GND - ID - Shield - Shield - Shield - Shield - VBUS ### J6 — [Pin Header 02x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x04-254mm-vertical.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_2 - Pin_3 - Pin_4 - Pin_5 - Pin_6 - Pin_7 - Pin_8 ### SW1 — [Dip switch](https://www.flux.ai/jecstronic/dip-switch.md) - Part Type: Switch **Pins:** - 1 - 1 - 2 - 2 ### SW2 — [BD01](https://www.flux.ai/jecstronic/bd01.md) - Datasheet URL: https://www.ckswitches.com/media/1331/bd.pdf - Manufacturer Part Number: BD01 - Manufacturer Name: C&K - Part Type: Switch **Pins:** - P1 - P2 ### U1 — [NTE74LS32](https://www.flux.ai/jecstronic/nte74ls32.md) - Manufacturer Part Number: NTE74LS32 - Manufacturer Name: NTE Electronics, Inc - Part Type: Integrated Circuit - Datasheet URL: https://www.nteinc.com/specs/7400to7499/pdf/nte74LS32.pdf **Pins:** - 1A - 1B - 1Y - 2A - 2B - 2Y - 3A - 3B - 3Y - 4A - 4B - 4Y - GND - VCC ### U2 — [MM74HCT04N](https://www.flux.ai/jecstronic/mm74hct04n.md) - Datasheet URL: https://octopart.com/datasheet/mm74hct04n-onsemi-84330099 - Part Type: Integrated Circuit - Manufacturer Name: onsemi - Manufacturer Part Number: MM74HCT04N **Pins:** - A1 - A2 - A3 - A4 - A5 - A6 - GND - VCC - Y1 - Y2 - Y3 - Y4 - Y5 - Y6 ### U3 — [Z80CPU](https://www.flux.ai/jecstronic/z80cpu.md) - Manufacturer Part Number: Z80CPU - Manufacturer Name: Jameco - Part Type: Microprocessor - Datasheet URL: https://www.jameco.com/Jameco/Products/ProdDS/35561.pdf **Pins:** - ~BUSACK~ - ~BUSRQ~ - ~CLK~ - ~HALT~ - ~INT~ - ~IORQ~ - ~M1~ - ~MREQ~ - ~NMI~ - ~RD~ - ~RESET~ - ~RFSH~ - ~WAIT~ - ~WR~ - A0 - A1 - A10 - A11 - A12 - A13 - A14 - A15 - A2 - A3 - A4 - A5 - A6 - A7 - A8 - A9 - D0 - D1 - D2 - D3 - D4 - D5 - D6 - D7 - GND - VCC ### U4 — [SN74LS138N](https://www.flux.ai/jecstronic/sn74ls138n.md) - Part Type: Integrated Circuit - Manufacturer Part Number: SN74LS138N - Datasheet URL: https://www.ti.com/lit/ds/sdls014/sdls014.pdf - Manufacturer Name: Texas Instruments **Pins:** - A0 - A1 - A2 - E1 - E2 - E3 - GND - O0 - O1 - O2 - O3 - O4 - O5 - O6 - O7 - VCC ### U5 — [Z84C4010PEG](https://www.flux.ai/jecstronic/z84c4010peg.md) - Datasheet URL: https://www.mouser.com/datasheet/2/240/zilgs00978_1-2584731.pdf - Part Type: Integrated Circuit - Manufacturer Name: ZiLOG - Manufacturer Part Number: Z84C4010PEG **Pins:** - 5V - B/A - C/D - CE - CLK - CTSA - CTSB - D0 - D1 - D2 - D3 - D4 - D5 - D6 - D7 - DCDA - DCDB - DTRA - DTRB - GND - IEI - IEO - INT - IORQ - M1 - RD - RESET - RTSA - RTSB - RxCA - RxDA - RxDB - RxTxCB - SYNCA - SYNCB - TxCA - TxDA - TxDB - W/RDYA - W/RDYB ### U6 — [FT230XS-U](https://www.flux.ai/jecstronic/ft230xs-u.md) - Datasheet URL: https://www.mouser.com/datasheet/2/163/DS_FT230X-5395.pdf - Part Type: Integrated Circuit - Manufacturer Part Number: FT230XS-U - Manufacturer Name: FTDI **Pins:** - ~CTS - ~RESET - ~RTS - 3V3OUT - CBUS0 - CBUS1 - CBUS2 - CBUS3 - GND - GND - RXD - TXD - USBDM - USBDP - VCC - VCCIO ### U7 — [SN74LS92N](https://www.flux.ai/jecstronic/sn74ls92n.md) - Part Type: Integrated Circuit - Manufacturer Part Number: SN74LS92N - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn74ls92 - Manufacturer Name: Texas Instruments **Pins:** - CP0 - CP1..3 - GND - Q0 - Q1 - Q2 - Q3 - R0(1) - R0(2) - VCC ### Y1 — [ECS-73-20-5PX-TR](https://www.flux.ai/jecstronic/ecs-73-20-5px-tr.md) - Manufacturer Name: ECS Inc. - Datasheet URL: https://ecsxtal.com/store/pdf/csm-7x.pdf - Part Type: Oscillator - Manufacturer Part Number: ECS-73-20-5PX-TR - Frequency: 7.3728MHz **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jecstronic/retroz-sbc-s80](https://www.flux.ai/jecstronic/retroz-sbc-s80).* --- *Generated from [https://www.flux.ai/jecstronic/retroz-sbc-s80](https://www.flux.ai/jecstronic/retroz-sbc-s80)*