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SKU: ros-ram-board-tht-kit
rosco_m68k RAM Expansion Board — Kit
4MB SRAM expansion board for the rosco_m68k retro computer. Expands your system memory with eight AS6C4008 512K×8 SRAM chips, providing the full 4 megabytes of fast static RAM addressable over the expansion bus. Perfect for running larger programs, heavier workloads, and memory-hungry applications on your 68k machine.
Price
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Stock
In Stock: 3
Overview
Ships worldwide—
Components
Capacitors
2104 ceramic decoupling capacitor (C1-C9)
100nF
Qty: 9
100uF bulk capacitor (C10, C11)
100µF
Qty: 2
Resistors
310k resistor (R1)
10 kOhm
Qty: 1
100k resistor (R2)
100 kOhm
Qty: 1
4K7 pull-up resistor for jumpers (R3, R4, R5)
4.7 kOhm
Qty: 3
Transistors
1NPN transistor for RnW/WnR inversion (Q1)
2N3904
Qty: 1
Integrated Circuits
2512K x 8 SRAM (U1-U8)
AS6C4008-55PCN
Qty: 8
PLD for chip select decoding (IC1)
ATF16V8BQL-15PU
Qty: 1
IC Sockets
2DIP Socket
Qty: 8
DIP Socket
Qty: 1
Connectors & Switches
3Pin header
Qty: 1
Pin header
Qty: 1
Jumpers
Qty: 3