HardLabs

Flash rom expansion

rosco-m68k·hardware-projects·flash-rom/design/kicad/flash-rom-expansion/flash-rom-expansion.kicad_pcb

Flash rom expansion PCB layout, top view — open source board by rosco-m68k

About the Flash rom expansion PCB

Flash rom expansion is an open source PCB design by rosco-m68k, published on GitHub under the MIT license. It is a 2-layer board measuring 73 × 45 mm, with 8 components from 7 distinct parts.

Other key parts include the 74LS139, IS61C5128AL-10KLI and AS6C4008-55PCN. By type, the board carries 5 connectors and 3 ICs.

From the project

Supporting hardware, expansions and projects for the rosco_m68k

This repository expansion boards and some simple hardware projects for the roscom68k (https://github.com/rosco-m68k/roscom68k).

If you are building your own expansions, see the memory map for details of the memory map, and how to reserve your address space.

busboard - This is the roscbus-01 expansion bus board for the roscom68k ioread-poc - A POC project that interfaces with an Arduino (Mega-2560) ram-expansion - The roscram-01 1/2/3/4MB RAM expansion board video9958 - The V9958 video card mc68681-duart` - MC68681 Dual UART board

Main components on the Flash rom expansion

74LS139IS61C5128AL-10KLIAS6C4008-55PCN

Flash rom expansion bill of materials (BOM)

8 components, 7 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
74LS139
AS6C4008-55PCN
U1
1
IS61C5128AL-10KLI
SST39SF040
U2
1
AS6C4008-55PCN
SST39SF040
U3
1
CONN_01X04_MALE
Conn_01x14_Male
J1
2
Conn_01x14_Male
J2, J3
1
Conn_01x16_Male
J4
1
USB_C_RECEPTACLE_USB2.0
Conn_01x16_Male
J5

Flash rom expansion design files

The KiCad project lives in the rosco-m68k/hardware-projects repository on GitHub; these links point at the commit this page was built from.

Flash rom expansion: common questions

How big is the Flash rom expansion PCB?

The Flash rom expansion measures 73 × 45 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Flash rom expansion?

8 components, from 7 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Flash rom expansion design files?

From the rosco-m68k/hardware-projects repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Flash rom expansion design in my own project?

Yes, under the terms of its MIT license, which rosco-m68k chose for the repository.

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