RAM2GS
RAM2GS is an open source FPGA PCB design by garrettsworkshop: a 4-layer, 67.3 × 48.5 mm board with 62 components (22 distinct parts). It is built around the LCMXO2-640HC-4TG100C, W9812G6KH-6, 60M, 74AHCT245PW and more.
8 MB RAM expansion card for Apple IIgs
Built around
Parts list
62 components, 22 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LCMXO2-640HC-4TG100C | TQFP-100_14x14mm_P0.5mm | U1 |
| 1 | W9812G6KH-6 | TSOP-II-54_22.2x10.16mm_P0.8mm | U2 |
| 1 | 60M | Crystal_SMD_7050-4Pin_7.0x5.0mm_SiTime | U3 |
| 1 | 74AHCT245PW | TSSOP-20_4.4x6.5mm_P0.65mm | U4 |
| 3 | 74LVC245APW | TSSOP-20_4.4x6.5mm_P0.65mm | U5, U6, U7 |
| 1 | AZ1117CH-3.3TRG1 | SOT-223 | U8 |
| 1 | 74LVC1G04GW | SOT-353 | U9 |
| 1 | DNP | SOT-353 | U10 |
| 1 | AP2127K-1.2TRG1 | SOT-23-5 | U11 |
| 1 | IIgs RAM Exp. | AppleIIgsMemoryExpansion_Edge | J1 |
| 1 | JTAG | Tag-Connect_TC2050-IDC-FP_2x05_P1.27mm_Vertical | J2 |
| 4 | ~ | PasteHole_1.152mm_NPTH | H1, H2, H3, H4 |
| 1 | ~ | PasteHole_1.1mm_PTH | H5 |
| 1 | Amber | LED_0805 | D1 |
| 5 | 10U 10u | C_0805 | C1, C2, C3, C4, C26 |
| 24 | 2U2 2u2 | C_0603 | C5, C6, C7, C8, C9, C10, C11, C12 +16 |
| 1 | 22P 22p | C_0603 | C30 |
| 3 | 10K 10k | R_0603 | R1, R7, R10 |
| 4 | DNP | R_0603 | R2, R3, R8, R9 |
| 1 | 0 | R_0805 | R4 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 47 | R_0603 | R5, R11, R12, R13 |
| 1 | 220 | R_0805 | R6 |
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