Logic Circuits Simulator vs ASIC & FPGA Design Studio

Logic Circuits Simulator is the digital design tool built for the way you actually study. Build circuits with IEEE-standard gates, sequential logic, Karnaugh maps, and reusable chips, all with schematic-quality wire routing that looks like the diagrams in your textbook. Rebuilt from the ground up for Version 3. COMBINATIONAL LOGIC Design with the full set of IEEE-standard gates: AND, OR, NOT, NAND, NOR, XOR, XNOR. Grow any gate from 2 to 8 inputs as your designs scale. Drop in constant rails, Ground and VCC, for clean schematic structure. Every gate auto-labels with its Boolean expression, complete with proper overlines for negation. SEQUENTIAL LOGIC Build counters, registers, and state machines that simulate live. Adjustable-speed clock with pause and single-pulse control. D, T, and JK flip-flops. SR latches. Every memory element exposes both Q and Q' outputs, the way your textbook draws them. SCHEMATIC-QUALITY WIRE ROUTING Wires route themselves with orthogonal paths, rounded corners, hop bridges over crossings, and junction dots at branches. Your circuits look like real schematics, not tangled diagrams. KARNAUGH MAPS & MINIMIZATION Flip any truth table into a Gray-coded Karnaugh map for 2-4 variables. See covering groups in color and the minimized sum-of-products expression, generated with Quine-McCluskey, the same algorithm your textbook uses. REUSABLE CHIPS Package any combinational circuit as a custom IC with named pins. Stamp instances like real chips, U1, U2, U3, into bigger designs. Build a full adder once, then drop four instances into a 4-bit ripple-carry adder. Your chip library syncs across devices via iCloud. TRUTH TABLES Generate truth tables for any circuit with up to 8 inputs. Intermediate gate columns show the signal flow, not just the answer. Export to CSV for your lab reports. 7-SEGMENT DISPLAY Drive a 7-segment display with 4 binary inputs to show hexadecimal digits, perfect for visualizing counters, decoders, and arithmetic circuits. BUILT-IN EXAMPLES Open working classics with one tap: half adder, full adder, 2-to-1 multiplexer, 2-to-4 decoder, NOR-gate SR latch, 2-bit ripple counter. Examples open as editable copies, learn, modify, and save your own version. ICLOUD SYNC Your saved circuits and custom chips sync across iPhone and iPad via iCloud. Start a design on iPad, finish it on iPhone. On-device-only mode available in Settings. SHARE YOUR WORK Export circuits as .lcs files to share via Mail, Messages, or Files. Embedded chips travel with the file, recipients see your design exactly as you built it. Export PNG snapshots and CSV truth tables for reports. WHY V3 IS DIFFERENT Logic Circuits Simulator V3 is a ground-up rewrite. New canvas, new tools, new everything. Circuits saved in 2.x migrate automatically the first time you open V3. Built by an engineering student, for engineering students. Always ad-free. No in-app purchases. No subscriptions. HAVE FEEDBACK? Email hkem.moh.ar@gmail.com. V3 was shaped by feedback from users like you, and the next version will be too.

Professional HDL Design, Simulation, and Engineering Tools — Right on Your iPhone and iPad ASIC & FPGA Workbench is a complete mobile toolkit for hardware engineers, FPGA developers, RTL designers, and engineering students. Write HDL code, run simulations, analyze timing, access design references, and solve engineering problems from anywhere. Whether you're reviewing designs in a meeting, studying for an exam, troubleshooting timing issues, or prototyping an idea on the go, ASIC & FPGA Workbench puts essential digital design tools in your pocket. HDL Editor & On-Device Simulation Design and test digital logic directly on your iPhone or iPad. • Syntax-highlighted Verilog and VHDL editor • Behavioral HDL simulation on-device • Interactive waveform viewer • Signal analysis with HIGH/LOW state indicators • Quickly verify logic behavior without a desktop workstation Perfect for rapid design validation, learning, debugging, and reviewing HDL code anywhere. Engineering Toolbox Built-in calculators help solve common FPGA and ASIC design challenges. Clock & Timing Calculator • Calculate clock periods from frequency targets • Estimate setup slack and timing margins • Determine combinational path budgets • Generate ready-to-use timing constraints for Vivado and Quartus Bit Width Advisor • Calculate minimum register and bus widths • Generate Verilog declarations automatically • Generate VHDL signed and unsigned types Pipeline Depth Estimator • Determine required pipeline stages • Analyze logic path delays • Improve timing closure for high-speed designs Skew & Jitter Budget Calculator • Model clock distribution networks • Analyze setup and hold margins • Evaluate clock skew and routing health • Improve design reliability Design Pattern Library Accelerate development with reusable engineering templates. Explore proven HDL examples covering: • Combinational Logic • Sequential Logic • Finite State Machines (FSMs) • Memory Interfaces • FPGA Design Techniques • ASIC Design Flows • Verification Concepts • Timing Constraints Every pattern includes explanations, annotated code, and one-tap access to simulation. Verilog, VHDL & SystemVerilog Reference A comprehensive engineering reference library always available offline. • Verilog syntax and constructs • VHDL language reference • SystemVerilog concepts • Data types and operators • FPGA and ASIC terminology • Searchable glossary and examples Quickly find syntax, explanations, and implementation examples when you need them. Designed For • FPGA Engineers • ASIC RTL Designers • Digital Design Engineers • Verification Engineers • Embedded Hardware Developers • Electrical & Computer Engineering Students • Anyone working with Verilog, VHDL, or SystemVerilog Compatible with Xilinx, Intel (Altera), Lattice, Microchip, and other FPGA development platforms. Learn. Design. Simulate. ASIC & FPGA Workbench brings professional digital design tools, engineering references, and HDL simulation together in a single mobile application—helping you stay productive wherever engineering happens.