Latest-Full-Backplane
About the Latest-Full-Backplane PCB
Latest-Full-Backplane is an open source PCB design by Trilobyte-CPU, published on GitHub. It is a 4-layer board measuring 100 × 100 mm, with 146 components from 32 distinct parts.
Other key parts include the 74LS157, 74LS245, 74LS138, IS61C5128AS-25TLI and 74LS193. By type, the board carries 50 resistors, 49 diodes, 31 ICs, 9 capacitors, 6 connectors and 1 switch.
From the project
A DIY 8-bit computer built mostly with discrete logic chips
Main components on the Latest-Full-Backplane
Latest-Full-Backplane bill of materials (BOM)
146 components, 32 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 74LS157 | TSSOP-16_4.4x5mm_P0.65mm | U1, U38 |
| 3 | 74LS245 | TSSOP-20_4.4x6.5mm_P0.65mm | U2, U15, U16 |
| 1 | 74LS138 | TSSOP-16_4.4x5mm_P0.65mm | U3 |
| 1 | IS61C5128AS-25TLI | TSOP-II-32_21.0x10.2mm_P1.27mm | U4 |
| 1 | 74LS193 | SO-16_5.3x10.2mm_P1.27mm | U5 |
| 1 | 74HC640 | SO-20_5.3x12.6mm_P1.27mm | U6 |
| 2 | 74LS86 | TSSOP-14_4.4x5mm_P0.65mm | U7, U39 |
| 1 | 74HC173 | SOIC-16_3.9x9.9mm_P1.27mm | U8 |
| 1 | 74HC02 | TSSOP-14_4.4x5mm_P0.65mm | U9 |
| 1 | 74HC161 | SOIC-16_3.9x9.9mm_P1.27mm | U10 |
| 1 | PLCC32_28_28C256 | PLCC-32-SOCKET-Microchip-32J-10_2001-B-IPC_A | U11 |
| 2 | 74LS04 | TSSOP-14_4.4x5mm_P0.65mm | U12, U32 |
| 3 | 74HC173 | SO-16_3.9x9.9mm_P1.27mm | U13, U17, U20 |
| 1 | 74HC08 | TSSOP-14_4.4x5mm_P0.65mm | U14 |
| 4 | 74HC245 | SO-20_12.8x7.5mm_P1.27mm | U18, U19, U22, U23 |
| 1 | 74LS00 | TSSOP-14_4.4x5mm_P0.65mm | U21 |
| 2 | 74LS08 | TSSOP-14_4.4x5mm_P0.65mm | U33, U37 |
| 2 | 74LS32 | TSSOP-14_4.4x5mm_P0.65mm | U34, U35 |
| 1 | 74LS02 | TSSOP-14_4.4x5mm_P0.65mm | U36 |
| 1 | Conn_01x07 | PinHeader_1x07_P2.54mm_Vertical | J1 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | Conn_01x08 | PinSocket_1x08_P2.54mm_Vertical | J2, J6 |
| 1 | Conn_01x11 | PinHeader_1x11_P2.54mm_Vertical | J3 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J4 |
| 1 | Conn_01x12 | PinSocket_1x11_P2.54mm_Vertical | J5 |
| 1 | SW_Push | SW_PUSH_6mm | SW1 |
| 39 | LED | LED_0805_2012Metric | D1, D3, D4, D5, D6, D8, D9, D10 +31 |
| 10 | LED | LED_1206_3216Metric | D2, D7, D11, D12, D14, D15, D16, D18 +2 |
| 8 | C | C_0805_2012Metric | C1, C2, C3, C4, C6, C7, C8, C9 |
| 1 | C_Polarized | CP_Elec_5x5.9 | C5 |
| 26 | R_US | R_0805_2012Metric | R1, R6, R11, R12, R25, R26, R29, R30 +18 |
| 20 | R_Small | R_0805_2012Metric | R2, R4, R5, R7, R8, R9, R13, R14 +12 |
| 4 | R_Small_US | R_0805_2012Metric | R3, R10, R34, R35 |
Latest-Full-Backplane design files
The KiCad project lives in the Trilobyte-CPU/8-bit-computer repository on GitHub; these links point at the commit this page was built from.
Latest-Full-Backplane: common questions
How big is the Latest-Full-Backplane PCB?
The Latest-Full-Backplane measures 100 × 100 mm, has 4 copper layers and is 0.57 mm thick.
How many components are on the Latest-Full-Backplane?
146 components, from 32 distinct parts. The full bill of materials is listed on this page.
Where can I download the Latest-Full-Backplane design files?
From the Trilobyte-CPU/8-bit-computer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Latest-Full-Backplane design in my own project?
The repository has no license, so all rights stay with Trilobyte-CPU. Use it as a reference, and ask the author before reusing the design.
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