Isa8 eth
About the Isa8 eth PCB
Isa8 eth is an open source PCB design by skiselev, published on GitHub. It is a board measuring 104.1 × 74.9 mm, with 30 components from 20 distinct parts.
Other key parts include the RTL8019AS, SST39SF040 and 93LC46C. By type, the board carries 10 capacitors, 9 resistors, 4 switches, 3 ICs, 2 connectors and 1 crystal.
From the project
ISA 8-Bit Ethernet Controller
Clean the PCB with alcohol Apply fluid flux to SMD components pads Solder U1 RTL8019 IC Solder R1 - R7 resistors and RN1 - RN4 resistor arrays Note that RN1 - RN3 are only required if using DIP switches for configuration. They are not required for jumperless configuration Solder C1 - C8 ceramic capacitors Solder C9 and C10 tantalum capacitors Solder Y1 crystal Optional: Program U3 EEPROM. Make sure to use unique MAC address Note: EEPROM can be programmed later using PG8019 utility Solder U3 EEPROM Optional: Solder SW1 - SW4 DIP switches and U2 IC socket Solder J1 Ethernet jack with integrated…
Main components on the Isa8 eth
Isa8 eth bill of materials (BOM)
30 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RTL8019AS | IC_PQFP-100_14x20mm_P0.65mm_Hand_Soldering | U1 |
| 1 | SST39SF040 | Socket_DIP32_600 | U2 |
| 1 | 93LC46C | SO-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | 20MHz | Crystal_HC-49U_Vert | Y1 |
| 1 | RJMG1BD3B8K1ANR | RJ45_Amphenol_RJMG1BD3B8K1ANR | J1 |
| 1 | MEM_EXT | Conn_Pin_Header_20x2_2.54mm | J2 |
| 1 | BUSPC_DEV | Conn_Edge_PCB_ISA8 | BUS1 |
| 1 | CONFIG | Switch_DIP_2_Positions | SW1 |
| 1 | IRQ | Switch_DIP_2_Positions | SW2 |
| 1 | IO_ADDR | Switch_DIP_4_Positions | SW3 |
| 1 | ROM_ADDR | Switch_DIP_5_Positions | SW4 |
| 2 | 10pF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2 |
| 2 | 0.01uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4 |
| 4 | 0.1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C6, C7, C8 |
| 2 | 22uF | CP_EIA-3528-15_AVX-H_Pad1.50x2.35mm_HandSolder | C9, C10 |
| 1 | 200 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 2 | 470 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3 |
| 1 | 27k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6 |
| 1 | 1M | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7 |
| 4 | 10k | R_Array_Convex_4x0603 | RN1, RN2, RN3, RN4 |
Isa8 eth design files
The KiCad project lives in the skiselev/isa8_eth repository on GitHub; these links point at the commit this page was built from.
Isa8 eth: common questions
How big is the Isa8 eth PCB?
The Isa8 eth measures 104.1 × 74.9 mm and is 1.6002 mm thick.
How many components are on the Isa8 eth?
30 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the Isa8 eth design files?
From the skiselev/isa8_eth repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Isa8 eth design in my own project?
The repository has no license, so all rights stay with skiselev. Use it as a reference, and ask the author before reusing the design.