GitHub open source238
8088-pc-compatible - 8255-parallel-card
BOM013197 · 8255-parallel-card-fcfa573
What the project is · as the catalogue files it; the circuit functions below are BOM rule hits
Filed under “接口转换及调试器” in the ezPLM catalogue. Read the project’s own description (README)
Circuit functions included · BOM rule hits · not reviewed
- Decoder / data selector
- U2, U3, U4 74LS138 · by part number
- Retro computing / bus peripherals (Z80 / 6502 / UART chips)
- U1 8255 · by part number
- J6 8255 BASE PORT · by part number
Online view
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11 rows · 22 parts0 of 11 rows placedHover or click a row to mark its parts in the view; click a part in the view to find its row.
Looks up part numbers and makers at ezPLM, DigiKey and Mouser. What it finds are suggestions: check one before you use it.
| Designators | Value | Part | Qty | ||
|---|---|---|---|---|---|
| C1, C2, C3, C4 | 0.1uFC_Disc_D4.3mm_W1.9mm_P5.00mm | No part number | 4 | ||
| R, R | LLarge_Via | No part number | 2 | ||
| U1 | 8255DIP-40_W15.24mm | No part number | 1 | ||
| U2, U3, U4 | 74LS138DIP-16_W7.62mm | No part number | 3 | ||
| RN1, RN2, RN3, RN4, RN5, RN6 | 4.7k OHMR_Array_SIP5 | No part number | 6 | ||
| J1 | PORT CPinHeader_2x05_P2.54mm_Vertical | No part number | 1 | ||
| J2 | PORT BPinHeader_2x05_P2.54mm_Vertical | No part number | 1 | ||
| J3 | PORT APinHeader_2x05_P2.54mm_Vertical | No part number | 1 | ||
| J4 | INTR B SELECTPinHeader_2x06_P2.54mm_Vertical | No part number | 1 | ||
| J5 | INTR A SELECTPinHeader_2x06_P2.54mm_Vertical | No part number | 1 | ||
| J6 | 8255 BASE PORTPinHeader_2x08_P2.54mm_Vertical | No part number | 1 |