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STD ZX Spectrum ROM Cartridge
ZX Spectrum ROM Cartridge
License
Public Domain
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Update time：
2022-08-08 14:10:27
Creation time：
2020-11-05 19:42:05
Description
Description
**ZX ROM Cartriges ZXC3.**
Redesigned to SMD componetes and 128K and 256K FLASH.
JP1 is in pos 1-2 to enable paging by default.
Tested with FLASH 39SF010A.
Original design by Paul Farrow
Documentation of original can be found here:
http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_ZXC3.htm
Design Drawing
Design Drawing
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| ID | Name | Designator | Quantity |
|---|---|---|---|
| 1 | SST39SF010A-ROM | U105 | 1 |
| 2 | DMP3099L-7 | Q3,Q1 | 2 |
| 3 | 74174 | U104 | 1 |
| 4 | HDR-F-2.54_2x15 | EGDE1 | 1 |
| 5 | JUMPER-3SMD | JP1 | 1 |
| 6 | HDR-M-2.54_1x3 | J1 | 1 |
| 7 | 1k | R1 | 1 |
| 8 | 1M | R2 | 1 |
| 9 | MBR0520LT1G | D3,D1 | 2 |
| 10 | 74LS30 | U3 | 1 |
| 11 | 100n | C4,C3,C2,C1 | 4 |
| 12 | 74LS27 | U1 | 1 |
| 13 | 74LS00 | U4 | 1 |
| 14 | 1K2 | R5 | 1 |
| 15 | 15K | R10 | 1 |
| 16 | 50k | R13 | 1 |
| 17 | AP7370-33WW-7 (SOT25-5) | U6 | 1 |
| 18 | AP7381-50Y-13 | U2 | 1 |
| 19 | 100k | R14 | 1 |
| 20 | 3.3uH | L1 | 1 |
| 21 | 22u | C16 | 1 |
| 22 | 22n | C14 | 1 |
| 23 | 100p | C15 | 1 |
| 24 | 10uF35V | C13 | 1 |
| 25 | DC005-2.0MM | DC2 | 1 |
| 26 | AP5100 | U5 | 1 |
| 27 | 22u | C18 | 1 |
| 28 | B230A-13-F | D2 | 1 |
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