Mem decoder
About the Mem decoder PCB
Mem decoder is an open source PCB design by magik6k, published on GitHub under the Custom license license. It is a 2-layer board measuring 57.2 × 143.5 mm, with 110 components from 11 distinct parts.
Other key parts include the 74LS32, 74LS08 and 74LS30. By type, the board carries 64 resistors, 16 connectors, 15 ICs, 4 capacitors and 3 diodes.
From the project
Code bits of the TTL breadbord RISC-V
Main components on the Mem decoder
Mem decoder bill of materials (BOM)
110 components, 11 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 74LS32 | DIP-14_W7.62mm | U1, U2, U3 |
| 8 | 74LS08 | DIP-14_W7.62mm | U4, U5, U7, U8, U10, U11, U13, U14 |
| 4 | 74LS30 | DIP-14_W7.62mm | U6, U9, U12, U15 |
| 5 | Conn_01x02_Male | PinHeader_1x02_P2.54mm_Vertical | J1, J2, J3, J4, J6 |
| 1 | Conn_01x01_Male | PinHeader_1x01_P2.54mm_Vertical | J5 |
| 4 | Conn_01x08_Female | PinHeader_1x08_P2.54mm_Vertical | J7, J8, J9, J10 |
| 6 | Conn_01x04_Male | PinHeader_1x04_P2.54mm_Vertical | J~{e}in1, J~{e}in2, J~{e}out1, J~{w}in1, J~{w}in2, J~{w}out1 |
| 8 | Conn_02x08_Odd_Even | PinHeader_2x08_P2.54mm_Vertical | Jbase1, Jbase2, Jbase3, Jbase4, Jmsk1, Jmsk2, Jmsk3, Jmsk4 |
| 3 | LED | LED_D5.0mm | D1, D2, D3 |
| 4 | C | C_Disc_D5.0mm_W2.5mm_P5.00mm | C1, C2, C3, C4 |
| 64 | 1K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8 +56 |
Mem decoder design files
The KiCad project lives in the magik6k/breadv repository on GitHub; these links point at the commit this page was built from.
Mem decoder: common questions
How big is the Mem decoder PCB?
The Mem decoder measures 57.2 × 143.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Mem decoder?
110 components, from 11 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 Mem decoder design files?
From the magik6k/breadv 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 Mem decoder design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
