Empty board w mapping ram2
About the Empty board w mapping ram2
Empty board w mapping ram2 is an open source PCB design by roberto314, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 23 components from 13 distinct parts.
Other key parts include the SN74LVC245ANSR, 74HC14, IS63WV1288DBLL-10xLI, 74LVC253 and 74LVC595. By type, the board carries 9 connectors, 6 ICs, 4 capacitors and 4 resistors.
It belongs with the retro computing designs in this gallery.
From the project
A modular 8-bit Computer able to recreate (nearly) every Retro computer of the late 70s to mid 80s.
A modular 8-bit Computer able to recreate (nearly) every microcomputer of the mid 70s to early 80s in Hardware without FPGAs (although an FPGA can be added). Can also be used as a teaching tool for:
VHDL or Verilog C RTOS (STM32F401 runs ChibiOS Link: https://www.chibios.org) Python bash and linux in general (Olimex board runs linux with fbterm and tmux) Harwaredesign Timing of CPUs maybe Assembler SPI and I2C Interfaces CPLDs and FPGAs
Main components on the Empty board w mapping ram2
Empty board w mapping ram2 bill of materials (BOM)
23 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SN74LVC245ANSR | SO-20_5.3x12.6mm_P1.27mm | U1 |
| 1 | 74HC14 | DIP-14_W7.62mm_Socket | U2 |
| 1 | IS63WV1288DBLL-10xLI | TSOP-II-32_21.0x10.2mm_P1.27mm | U5 |
| 1 | 74LVC253 | SO-16_3.9x9.9mm_P1.27mm | U6 |
| 1 | 74LVC595 | SO-16_3.9x9.9mm_P1.27mm | U7 |
| 1 | 74AHC1G14 | SOT-23-5 | U8 |
| 4 | BUS | PinSocket_2x20_P2.54mm_Vertical | J1, J2, J3, J4 |
| 1 | . | PinHeader_1x01_P2.00mm_Vertical | J8 |
| 2 | . | PinHeader_1x06_P2.54mm_Vertical | J10, J11 |
| 2 | Conn_01x12 | PinHeader_1x12_P2.54mm_Vertical | J20, J21 |
| 4 | 100n | C_1206_3216Metric | C1, C2, C3, C5 |
| 3 | 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R2, R3, R4 |
| 1 | 10k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R7 |
Empty board w mapping ram2 design files
The KiCad project lives in the roberto314/Unicomp2 repository on GitHub; these links point at the commit this page was built from.
Empty board w mapping ram2: common questions
How big is the Empty board w mapping ram2?
The Empty board w mapping ram2 measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Empty board w mapping ram2?
23 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Empty board w mapping ram2 design files?
From the roberto314/Unicomp2 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Empty board w mapping ram2 design in my own project?
The repository has no license, so all rights stay with roberto314. Use it as a reference, and ask the author before reusing the design.
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