Av board
About the Av board
Av board is an open source PCB design by rjw57, published on GitHub under the MIT license. It is a 2-layer board measuring 99.1 × 99.1 mm, with 42 components from 28 distinct parts.
Other key parts include the 74HC138, 74HC00, WD65C22, YM3812 and YM3014. By type, the board carries 15 ICs, 11 connectors, 5 resistors, 3 diodes, 3 capacitors and 1 crystal.
From the project
This is very much a work in progress repository. It contains schematics, notes, etc. for a single-board 6502 computer I'm working on.
This is very much a work in progress repository. It contains schematics, notes, etc. for a single-board 6502 computer I'm working on.
See the LICENSE file in the repository for copying information.
Main components on the Av board
Av board bill of materials (BOM)
42 components, 28 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 74HC138 | SOIC-16_3.9x9.9mm_Pitch1.27mm | U1, U4, U18 |
| 2 | 74HC00 | SOIC-14_3.9x8.7mm_Pitch1.27mm | U2, U10 |
| 1 | WD65C22 | DIP-40_W15.24mm_LongPads | U3 |
| 1 | YM3812 | SOIC-24W_7.5x15.4mm_Pitch1.27mm | U6 |
| 1 | YM3014 | DIP-8_W7.62mm_LongPads | U7 |
| 1 | 74HC04 | SOIC-14_3.9x8.7mm_Pitch1.27mm | U8 |
| 1 | TMS9929 | DIP-40_W15.24mm_LongPads | U9 |
| 3 | 74LS574 | SOIC-20W_7.5x12.8mm_Pitch1.27mm | U11, U12, U13 |
| 1 | CY62256 | SOIC-28W_7.5x17.9mm_Pitch1.27mm | U14 |
| 1 | TL072 | SOIC-8_3.9x4.9mm_Pitch1.27mm | U17 |
| 1 | 21.48MHz | Crystal_HC49-U_Vertical | Y1 |
| 1 | D0..D7 | Pin_Header_Straight_1x08 | P1 |
| 1 | A0..A7 | Pin_Header_Straight_1x08 | P2 |
| 1 | CTRL1 | Pin_Header_Straight_1x08 | P3 |
| 1 | A8..A15 | Pin_Header_Straight_1x08 | P4 |
| 1 | A16..A23 | Pin_Header_Straight_1x08 | P5 |
| 1 | CTRL2 | Pin_Header_Straight_1x08 | P6 |
| 1 | Pr | rca_black | P7 |
| 1 | Y | rca_black | P8 |
| 1 | Pb | rca_black | P9 |
Show 8 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PARALLEL | Pin_Header_Straight_1x12 | P10 |
| 1 | KEYBOARD | IDC_Header_Straight_10pins | P11 |
| 4 | MOUNTING | M3_MOUNT | W1, W2, W3, W4 |
| 3 | D_Small | SMA-SMB_Universal_Handsoldering | D1, D2, D3 |
| 2 | 27pF | C_0603_HandSoldering | C1, C2 |
| 1 | 100n | C_0603_HandSoldering | C3 |
| 3 | 330 | R_0603_HandSoldering | R1, R2, R3 |
| 2 | 1K | R_0603_HandSoldering | R4, R5 |
Av board design files
The KiCad project lives in the rjw57/buri repository on GitHub; these links point at the commit this page was built from.
Av board: common questions
How big is the Av board?
The Av board measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Av board?
42 components, from 28 distinct parts. The full bill of materials is listed on this page.
Where can I download the Av board design files?
From the rjw57/buri repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Av board design in my own project?
Yes, under the terms of its MIT license, which rjw57 chose for the repository.
