Plus you can say that you made your own RAM. Why build such a device, when you can get an IC with a few thousand times more storage?īecause its cool to see how those little chips actually work.

The SRAM is the 6t circuit, meaning that this version uses 6 transistors per bit (in reality, ours will need 8 per bit). This instructable will show you how you can make a SRAM bit using the real design, not the register versions I previously demonstrated.

It is slower than DRAM and has a lower density at 6 transistors per cell. SRAM is common among microcontroller memory and some low power applications because it doesn't need to be refreshed, and uses less power. DRAM is common in computer memory, because of fast access times and it only requires 1 transistor and 1 capacitor per bit making it high density. It is called static RAM because it doesn't need to be refreshed, unlike Dynamic RAM (DRAM) which has to be refreshed every few milliseconds to keep its data.

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