2 layers171.2 × 72.9 mm
Amiga gfxcard old
mntmn/amiga2000-gfxcard
MNT VA2000, an Open Source Amiga 2/3/4000 Graphics Card (Zorro II/III), written in Verilog
34 parts1k
2 layers55.3 × 28.1 mm
UINIO Signal Translator
uinika/UINIO-Signal-Translator3A level signal converter based on TXB0108 and TXS0108.
- Size
- 55.3 × 28.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 20
- Nets
- 39
- Pads
- 97
- Tracks, vias
- 105, 13
- Pours
- 101
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 28 Dec 2023
- Updated
- 12 Mar 2024
Overview
UINIO Signal Translator is an open-source printed circuit board by uinika, from the uinika/UINIO-Signal-Translator repository on GitHub. It is a 2-layer board of 55.3 × 28.1 mm with 20 parts on 39 nets, routed with 105 tracks and 13 vias.
It is built around the TXB0108PW. Its parts include 7 connectors, 3 resistors, 2 capacitors, 2 ICs and 2 diodes.
Main components
1README
README.mdUINIO-Signal-Translator 信号电平转换器
UINIO-Signal-Translator 是一款基于德州仪器 TSSOP 封装的 TXS0108 以及 TXB0108 的双向电平信号转换器模组，适用于漏极开路或者推挽输出的应用，支持 1.8V、2.5V、3.3V、5V 等常见信号电平之间的相互转换。
设计概要
- 输出使能端 OE 需要通过跳线帽进行配置；
- 分别为参考电压 A 与参考电压 B 添加了 LED 指示灯；
- 增加了 4 个
1mm直径固定螺丝孔，方便与外壳进行固定组装； - 转换芯片均采用易于购买的
TSSOP20封装，可以按需使用 TXS0108 或者 TXB0108； - 可以配合串行协议转换器 UINIO-USB-Serial 使用，用于调试
1.8V电平信号的 FPGA 芯片外设；
输入输出参数
- TXB0108：
VCCA端电压1.2V ~ 3.6V，VCCB端电压1.65V ~ 5.5V，使能端OE高电平有效。不能用于 I²C 的开漏输出，只适用于 UART 与 SPI 总线通信场景。 - TXS0108：
VCCA端电压1.4V ~ 3.6V，VCCB端电压1.65V ~ 5.5V，使能端OE高电平有效，同时支持开漏与推挽输出（推挽模式下最大数据速率可以达到110Mbps，开漏模式下则只能达到1.2Mbps），可以同时适用于 UART、I²C、SPI 等总线通信场景。
注意： TXS0108 和 TXB0108 两款芯片只能完成逻辑电平信号的转换，其驱动能力较小，并不具备带负载能力。
参考技术文档
UinIO.com 电子技术实验室 为 UINIO-Signal-Translator 开源项目提供了如下一系列技术参考资料：
Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | Conn_01x08_Pin | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J2, J4, J5, J7 |
| 4 | Hole-1mm | Uinio:Hole-1mm | HOLE**, HOLE**, HOLE**, HOLE** |
| 2 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C2 |
| 2 | 2K | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1, J3 |
| 2 | LED Blue | LED_SMD:LED_0603_1608Metric | D1, D2 |
| 2 | TXB0108 | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U1, U2 |
| 1 | 10K | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6 |
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Questions
How big is the UINIO Signal Translator PCB?
It measures 55.3 × 28.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the UINIO Signal Translator use?
20 parts, built around the TXB0108PW. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the UINIO Signal Translator KiCad files?
From the uinika/UINIO-Signal-Translator repository on GitHub, at the commit this page was made from: the board is UINIO-Signal-Translator.kicad_pcb and its schematic UINIO-Signal-Translator.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the UINIO Signal Translator design in my own project?
Its repository states no licence, so its author keeps all rights: ask uinika before reusing the design.