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STD 8088 V20 -RC2014 Compatible MB v1.1
License: Public Domain
Mode: Editors' pick
Cloned from 80188 -RC2014 Compatible MB
- 1
Update time：
2020-12-03 19:03:15
Creation time：
2020-10-12 07:48:58
Description
**8088 V20 Mother Board- RC2014 Compatible MB with 8256 MUART**
**CAUTION! UNTESTED – WORK IN PROGRESS – UNDER CONSTRUCTION**
**Added to jlcpcb order Sept 09 2020**
**v1.1 Fixed ERROR - U8 pin 1 needs to connect to GND**
A19 is inverted so that a RC2014 memory card can be used.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 100uF | C30 | CAP-ELEC-RAD-2.54MM | 1 |
| 2 | RC2014 Male 80 | K1 | RC2014-HDR-2X40-A-M-R-2.54MM | 1 |
| 3 | USER | P1 | 2X8PIN | 1 |
| 4 | 100nF | C3,C2,C1,C4,C5,C6,C7,C8,C10,C9 | RAD-0.1 | 10 |
| 5 | RC2014 Female 80 | K3,K2 | RC2014-HDR-2X40-S-F-R-2.54MM | 2 |
| 6 | 10K | R1 | RES-TH_BD2.2-L6.5-P10.50-D0.9 | 1 |
| 7 | 10k SIP7 | RN1 | R_ARRAY_SIP7 | 1 |
| 8 | HC-49US | Y1 | HC49US | 1 |
| 9 | FTDI | FTDI1 | FTDI-1X6PIN | 1 |
| 10 | SN74HCT573N | U2,U3 | DIP20 | 2 |
| 11 | SN74HCT04N | U4 | DIP14 | 1 |
| 12 | CLK | U10 | HDR-TH_10P-P2.54-V-R2-C5-S2.54_MTP125-1205S1 | 1 |
| 13 | P-PORT | H1 | HDR-TH_20P-P2.54-V-R2-C10-S2.54 | 1 |
| 14 | SN74HCT32N | U9 | DIP14 | 1 |
| 15 | 138 | P2 | 1X8_PIN_HEADER_2.54MM | 1 |
| 16 | SN74HCT138N | U5 | DIP16 | 1 |
| 17 | RESET | SW1 | TACTILE-PTH-SW | 1 |
| 18 | 8284-uPD71084 | U7 | DIP18 | 1 |
| 19 | CD74HCT688E | U8 | DIP20 | 1 |
| 20 | ADDRESS | P3 | HDR-6X2/2.54 | 1 |
| 21 | 10k SIP6 | RN2 | R_ARRAY_SIP6 | 1 |
| 22 | 1N4148 | D1 | DO-35_BD2.0-L4.0-P8.00-D0.5-FD | 1 |
| 23 | 8088-V20 | U1 | DIP40 | 1 |
| 24 | 8256-MUART | U6 | DIP40 | 1 |
| 25 | 33pF | C20,C21 | RAD-0.1 | 2 |
| 26 | RESET | J3 | HDR-TH_2P-P2.54-V | 1 |
| 27 | FTDI+5 | J4 | HDR-TH_2P-P2.54-V | 1 |
| 28 | 10uF | C11 | CAP-ELEC-RAD-2.54MM | 1 |
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