TangNano8080MEM
About the TangNano8080MEM PCB
TangNano8080MEM is an open source PCB design by ryomuk, published on GitHub under the MIT license. It is a 2-layer board measuring 99.1 × 99.1 mm, with 24 components from 17 distinct parts.
Other key parts include the TXS0108EPW and SN74CB3T3245PW. By type, the board carries 8 capacitors, 7 resistors, 3 connectors, 2 ICs and 2 diodes.
From the project
5V tolerant interface for Tang Nano
- RN2は当初10KΩにしていたのですが，TangNano20Kのpin75はB616_BOOTに継がっていて，起動時にUSBを検出してくれなくなってしまうので100kΩに変更しました．TangNano6809MEMで起きていたのと同様の問題でした．
このオプションで，rom.vでincludeするファイル，UART用レジスタのビットフィールドを切り替えています．
Main components on the TangNano8080MEM
TangNano8080MEM bill of materials (BOM)
24 components, 17 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TXS0108EPW MIC4427 | DIP-8_W7.62mm | U1 |
| 1 | SN74CB3T3245PW 8080 | DIP_Socket-40_W11.9_W12.7_W15.24_W17.78_W18.5_3M_240-1280-00-0602J | U2 |
| 1 | TangNano20K5VInterface | DIP-40_W15.24mm_Socket | J1 |
| 2 | CONN_01X24 Conn_01x20 | PinSocket_1x20_P2.54mm_Vertical | J2, J3 |
| 1 | TLV71318_SOT23-5 MAU104 | SIP-6_without_3_5pin_for_DCDC_MAU | PS1 |
| 1 | TJ7660 | DIP-8_W7.62mm | PS2 |
| 2 | LED | LED_D3.0mm | D1, D2 |
| 1 | 2.2uF | C_Disc_D4.7mm_W2.5mm_P5.00mm | C1 |
| 1 | 1uF | C_Disc_D4.7mm_W2.5mm_P5.00mm | C2 |
| 2 | 0.1UF 10uF | C_Disc_D4.7mm_W2.5mm_P5.00mm | C3, C4 |
| 3 | 0.1UF 0.1uF | C_Disc_D5.0mm_W2.5mm_P2.50mm | C5, C7, C8 |
| 1 | 0.1UF 1uF | C_Disc_D4.7mm_W2.5mm_P5.00mm | C6 |
| 1 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 2 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R3 |
| 2 | 47 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4, R5 |
| 1 | 4.7k | R_Array_SIP9 | RN1 |
| 1 | 10k | R_Array_SIP5 | RN2 |
TangNano8080MEM design files
The KiCad project lives in the ryomuk/tangnano-5V repository on GitHub; these links point at the commit this page was built from.
TangNano8080MEM: common questions
How big is the TangNano8080MEM PCB?
The TangNano8080MEM measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TangNano8080MEM?
24 components, from 17 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 TangNano8080MEM design files?
From the ryomuk/tangnano-5V 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 TangNano8080MEM design in my own project?
Yes, under the terms of its MIT license, which ryomuk chose for the repository.
