FreeChipStore

5-stage instruction pipeline with hazard detection. Data forwarding, stalls, branch flush visualized. CPI comparison.

Zoom from 300mm silicon wafer → die → standard cells → transistor cross-section. Yield simulation. Electron microscope feel.

Working 8-bit CPU — write assembly, watch fetch/decode/execute with animated data flow. 3 programs

Neural net trained in-browser classifies digital signals

CLIP model identifies hand-drawn circuit components. Draw or pick presets — AI classifies AND/OR/resistor/capacitor/op-amp.

Binary/hex/decimal converter with gate-level visualization. Ripple carry adder, shift-and-add multiplier, IEEE 754 floats.

AND, OR, NOT, NAND, XOR, XNOR, NOR — click inputs to toggle, see truth tables, watch signals propagate through gates.

8-bit ALU — click individual bits, choose ADD/SUB/AND/OR/XOR/NOT/SHL/SHR. See binary math + CPU flags (Z/N/C/V).

SR Latch, D Flip-Flop, JK Flip-Flop, 4-bit Counter. Clock pulse, timing diagram, sequential logic explained.

Draw circuits with wire/resistor/capacitor/op-amp tools. Auto-analyze: detect nodes, generate SPICE netlist.

L1/L2 cache sim. Direct-mapped, set-associative. LRU/FIFO. Hit rate tracking.

Visual state machine editor. Add states, transitions. Simulate. Generate Verilog.

Shift-and-add multiplication visualized. Step through partial products bit by bit.

2/3/4 variable K-maps. Click cells, auto-group, minimize Boolean expression.

Registers → L1 → L2 → L3 → RAM → Disk. Access latency animation. Miss penalty calc.