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GIMIX 256k SRAM

roberto314·GIMIX_reproduction·boards/GIMIX 256k SRAM/GIMIX 256k SRAM/GIMIX 256k SRAM.kicad_pcb

GIMIX 256k SRAM PCB layout, top view — open source board by roberto314

About the GIMIX 256k SRAM PCB

GIMIX 256k SRAM is an open source PCB design by roberto314, published on GitHub under the BSD-2-Clause license. It is a 2-layer board measuring 247.7 × 140.3 mm, with 104 components from 28 distinct parts.

Other key parts include the HM62256BLP, 74LS138, 74F244, PAL16L8 and 74LS640. By type, the board carries 45 ICs, 29 capacitors, 12 resistors, 4 diodes, 2 transistors and 1 connector.

From the project

Reproducing SS-50 and SS-30 cards and GIMIX Ghost Case and Mainboard

This Repository is for primarily my GIMIX Ghost Reproduction and various SS-30 and SS-50 Cards.

- GIMIX DMA SASI board finished, no PALs, production ready, gerbers exported

- GIMIX DMA SASI board production version, second Regulator added

- GIMIX dumb two port serial board finished, no PALs, production possible

- Tanner 64k SRAM board finished, no PALs, production possible

Main components on the GIMIX 256k SRAM

HM62256BLP74LS13874F244PAL16L874LS640LM7805_TO22074LS641

GIMIX 256k SRAM bill of materials (BOM)

104 components, 28 distinct parts.

QtyPartRefs
32
HM62256BLP
U1, U2, U3, U4, U5, U6, U7, U8 +24
4
74LS138
U33, U34, U35, U37
3
74F244
U36, U40, U41
1
PAL16L8
U39
1
74LS640
U42
3
LM7805_TO220
U46, U47, U48
1
74LS641
U49
2
BC337
Q1, Q2
1
SS-50 Bus
P1
1
Battery
BT1
1
Bank Size Sel.
JA1
1
Battery ON/OFF
JA2
1
Decoding Config.
JA5
1
Base Address
JA6
5
33E
RP1, RP2, RP3, RP4, RP5
1
Jumper_2_Open
W1
2
D_Small_Filled
D1, D2
1
D_Zener_Small_Filled
D4
1
?
D5
28
?
C1, C2, C4, C5, C6, C7, C8, C9 +20
Show 8 more
QtyPartRefs
1
C_Polarized_Small
C3
5
1k
R3, R5, R6, R11, R12
1
100k
R4
1
?
R7
2
?
R8, R14
1
4k7
R9
1
33E
R10
1
240E
R13

GIMIX 256k SRAM design files

The KiCad project lives in the roberto314/GIMIX_reproduction repository on GitHub; these links point at the commit this page was built from.

GIMIX 256k SRAM: common questions

How big is the GIMIX 256k SRAM PCB?

The GIMIX 256k SRAM measures 247.7 × 140.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the GIMIX 256k SRAM?

104 components, from 28 distinct parts. The full bill of materials is listed on this page.

Where can I download the GIMIX 256k SRAM design files?

From the roberto314/GIMIX_reproduction repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the GIMIX 256k SRAM design in my own project?

Yes, under the terms of its BSD-2-Clause license, which roberto314 chose for the repository.

More boards in GIMIX_reproduction