Sun3 60
About the Sun3 60 PCB
Sun3 60 is an open source PCB design by 54weasels, published on GitHub. It is a 4-layer board measuring 231.1 × 340.4 mm, with 225 components from 77 distinct parts.
Other key parts include the 68020, PAL16L8, 74F04, PAL20X10 and 74F00. By type, the board carries 99 ICs, 81 crystals, 20 switches, 9 capacitors, 6 relays and 6 resistors.
From the project
Notes on each section: - CPU - 68030 support left out entirely - 68881 in the schematics but left out of the PCB - MMU - U2001 which would be needed to support any video, either P4 or built-in not in the PCB - U314 encryption processor in schematics but not in PCB - RTC battery p
Notes on each section: - CPU - 68030 support left out entirely - 68881 in the schematics but left out of the PCB - MMU - U2001 which would be needed to support any video, either P4 or built-in not in the PCB - U314 encryption processor in schematics but not in PCB - RTC battery polarity was wrong in the schematics - Serial - No serial ports conversion to/from TTL - Ethernet - Left out U508/U508 AUI/Coax selector not in the PCB, hardwired to AUI - Whole Coax section not in the schematics - SCSI - Not in the schematics yet - Memory control - No memory selector jumpers, hardwired to 4MB - SIMMs…
Main components on the Sun3 60
Sun3 60 bill of materials (BOM)
225 components, 77 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 68020 | 68020 | U100 |
| 11 | PAL16L8 | DIP-20_W7.62mm | U102, U103, U106, U230, U231, U232, U518, U519 +3 |
| 2 | 74F04 | DIP-14_W7.62mm | U104, U600 |
| 1 | PAL20X10 | DIP-24_W7.62mm | U107 |
| 1 | 74F00 | DIP-14_W7.62mm | U108 |
| 1 | 40.000 Mhz | Oscillator_DIP-14 | U110 |
| 1 | 74AS74 | DIP-14_W7.62mm | U113 |
| 2 | 74F175 | DIP-16_W7.62mm | U114, U520 |
| 1 | 74LS590 | DIP-16_W7.62mm | U115 |
| 5 | ALS374 | DIP-20_W7.62mm | U122, U720, U721, U722, U723 |
| 6 | ALS373 | DIP-20_W7.62mm | U123, U226, U305, U510, U511, U512 |
| 1 | 74F374 | DIP-20_W7.62mm | U130 |
| 1 | PAL16R6 | DIP-20_W7.62mm | U131 |
| 1 | ALS244 | DIP-20_W7.62mm | U132 |
| 1 | 7705 | DIP-8_W7.62mm | U199 |
| 2 | 7188 | DIP-22_W7.62mm | U200, U201 |
| 6 | 2168 | DIP-20_W7.62mm | U202, U203, U205, U206, U207, U208 |
| 1 | LS2518 | DIP-16_W7.62mm | U210 |
| 5 | ALS245 | DIP-20_W7.62mm | U212, U213, U215, U217, U218 |
| 1 | 74F534 | DIP-20_W7.62mm | U223 |
Show 57 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AM27S19 | DIP-16_W7.62mm | U224 |
| 3 | ALS273 | DIP-20_W7.62mm | U225, U227, U304 |
| 2 | LED_Block | PinHeader_2x04_P2.54mm_Vertical | U228, U229 |
| 1 | 27512 | DIP-28_W15.24mm | U300 |
| 1 | 28C16 | DIP-24_W15.24mm | U301 |
| 1 | 7170 | DIP-24_W15.24mm | U302 |
| 1 | 32768HZ 32768Hz | Crystal_AT310_D3.0mm_L10.0mm_Horizontal | U303 |
| 4 | PAL20L8 | DIP-24_W7.62mm | U307, U310, U311, U802 |
| 1 | 3-VOLT | Battery_Panasonic_CR2032-VS1N_Vertical_CircularHoles | U309 |
| 1 | PAL8L14 | DIP-24_W7.62mm | U312 |
| 1 | PAL16R4 | DIP-20_W7.62mm | U313 |
| 1 | Z8530 | DIP-40_W15.24mm | U401 |
| 1 | 4.9152 Mhz | Oscillator_DIP-14 | U402 |
| 1 | 74LS04 74ALS04 | DIP-14_W7.62mm | U408 |
| 1 | AM7990 | DIP-48_W15.24mm | U500 |
| 1 | AM7992 | DIP-24_W7.62mm | U501 |
| 1 | 20 Mhz | Crystal_HC49-U_Vertical | U502 |
| 1 | TRANSF | DIP-16_W7.62mm | U503 |
| 4 | ALS652 | DIP-24_W7.62mm | U514, U515, U516, U517 |
| 4 | AS286 | DIP-14_W7.62mm | U710, U711, U712, U713 |
| 1 | PAL20R4 | DIP-24_W7.62mm | U715 |
| 1 | 74AS257 | DIP-16_W7.62mm | U801 |
| 2 | 74F64 | DIP-14_W7.62mm | U803, U804 |
| 4 | SIMM | PinHeader_1x30_P2.54mm_Vertical | U900, U901, U902, U903 |
| 3 | 74AS258 | DIP-16_W7.62mm | U904, U905, U906 |
| 2 | AS1032 | DIP-14_W7.62mm | U907, U908 |
| 1 | 22 Ohm | DIP-16_W7.62mm | U909 |
| 1 | 74AS04 | DIP-14_W7.62mm | U2003 |
| 1 | 74LS125 | DIP-14_W7.62mm | U2004 |
| 80 | 0.1UF 0.1uF | C_Rect_L7.0mm_W2.0mm_P5.00mm | X1, X2, X3, X4, X5, X6, X7, X8 +72 |
| 1 | 470UF | CP_Radial_D10.0mm_P5.00mm | X301 |
| 1 | Serial A/B | PinHeader_1x05_P2.54mm_Vertical | J2 |
| 1 | Ethernet | PinHeader_1x09_P2.54mm_Vertical | J3 |
| 1 | CONN_01X04_PIN Conn_01x04_Pin | TE_MATE-N-LOK_350211-1_1x04_P5.08mm_Vertical | J11 |
| 1 | DIAG | PinHeader_1x03_P2.54mm_Vertical | J200 |
| 1 | 10UF | CP_Radial_Tantal_D6.0mm_P2.50mm | K199 |
| 1 | 10 uF | CP_Radial_Tantal_D6.0mm_P2.50mm | K500 |
| 4 | 1000UF 1000uF | CP_Radial_D10.0mm_P5.00mm | K900, K901, K903, K904 |
| 12 | 4.7k Ohm | R_Array_SIP10 | S109, S111, S117, S120, S121, S122, S123, S124 +4 |
| 3 | 470 Ohm | R_Array_SIP10 | S113, S115, S116 |
| 2 | 1k Ohm | R_Array_SIP10 | S114, S502 |
| 1 | 68 Ohm | R_Array_SIP8 | S200 |
| 1 | 4.7K Ohm | R_Array_SIP8 | S400 |
| 1 | 40.2 Ohm 1% | R_Array_SIP10 | S500 |
| 1 | 0.1UF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C199 |
| 1 | 18-PF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C300 |
| 1 | 9-35PF | C_Radial_D6.3mm_H5.0mm_P2.50mm | C301 |
| 2 | 20 pF | C_Rect_L7.0mm_W2.0mm_P5.00mm | C500, C501 |
| 1 | 680 pF | C_Rect_L7.0mm_W2.0mm_P5.00mm | C502 |
| 2 | 0.1UF 0.1uF | C_Rect_L7.0mm_W2.0mm_P5.00mm | C503, C504 |
| 1 | 0.0056UF 0.0056uF | C_Rect_L7.0mm_W2.0mm_P5.00mm | C505 |
| 1 | 150 ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R100 |
| 1 | 100 ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R101 |
| 1 | 200KOHM 200Kohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R300 |
| 1 | 470-OHM | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R301 |
| 1 | 510 Ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R501 |
| 1 | 3K Ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R502 |
Sun3 60 design files
The KiCad project lives in the 54weasels/sun3_60 repository on GitHub; these links point at the commit this page was built from.
Sun3 60: common questions
How big is the Sun3 60 PCB?
The Sun3 60 measures 231.1 × 340.4 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Sun3 60?
225 components, from 77 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Sun3 60 design files?
From the 54weasels/sun3_60 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Sun3 60 design in my own project?
The repository has no license, so all rights stay with 54weasels. Use it as a reference, and ask the author before reusing the design.
