HardLabs

Mbc3 SRAM typeA 1-1

MouseBiteLabs·Game-Boy-Cartridges·MBC3 (Type A, SRAM)/mbc3_SRAM_typeA_1-1.kicad_pcb

Mbc3 SRAM typeA 1-1 PCB layout, top view — open source board by MouseBiteLabs

About the Mbc3 SRAM typeA 1-1 PCB

Mbc3 SRAM typeA 1-1 is an open source PCB design by MouseBiteLabs, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 53 × 62 mm, with 26 components from 19 distinct parts.

Other key parts include the M29F160N, MBC3, 62256, MM1134/MM1026 and TPS3613. By type, the board carries 10 capacitors, 5 ICs, 4 resistors, 1 transistor, 1 crystal and 1 connector.

It belongs with the retro computing designs in this gallery.

From the project

A collection of my Game Boy cartridge circuit board designs

This is an updated design of my flashable MBC3-based cartridge for the Game Boy. The MBC3 mapper improves a lot over the MBC1, and includes a real-time clock for everyone's favorite battery-sucking game.... Mary Kate and Ashley Pocket Planner! Oh, and Pokemon.

This MBC3 cartridge uses brand new M29F160 EEPROM chips and battery-backed SRAM.

This circuit board should cover most, if not all, MBC3 games. The features are as follows:

Mbc3 SRAM typeA 1-1, from the project README
From the project README

Main components on the Mbc3 SRAM typeA 1-1

M29F160NMBC362256MM1134/MM1026TPS3613

Mbc3 SRAM typeA 1-1 bill of materials (BOM)

26 components, 19 distinct parts.

QtyPartRefs
1
M29F160N
U1
1
MBC3
U2
1
62256
U3
1
MM1134/MM1026
U4
1
TPS3613
U5
1
2N7002
Q1
1
XTAL-3.2X1.5
X1
1
GBC_CARTTAB
P2
1
CR2025
B1
2
SJ
SJ1, SJ4
1
15pF
Z1
5
0.1uF
C1, C4, C5, C7, C8
1
15pF
C2
1
10uF
C6
3
0.001uF
C9, C10, C11
1
10k
R1
1
330k
R2
1
130k
R9
1
49.9k
R10

Mbc3 SRAM typeA 1-1 design files

The KiCad project lives in the MouseBiteLabs/Game-Boy-Cartridges repository on GitHub; these links point at the commit this page was built from.

Mbc3 SRAM typeA 1-1: common questions

How big is the Mbc3 SRAM typeA 1-1 PCB?

The Mbc3 SRAM typeA 1-1 measures 53 × 62 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mbc3 SRAM typeA 1-1?

26 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mbc3 SRAM typeA 1-1 design files?

From the MouseBiteLabs/Game-Boy-Cartridges repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Mbc3 SRAM typeA 1-1 design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which MouseBiteLabs chose for the repository.

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