289 2-Bit-Adder

289 : 2-Bit-Adder

Design render

How it works

Serves as a 2-bit adder with IN1-4 as inputs and OUT1-3 as outputs. IN0 is connected to OUT0 via an inverter, and this is not part of the 2-bit adder.

How to test

Toggle IN1-4 between HIGH and LOW and observe the OUT1-3, which should follow a 2-bit adder.

External hardware

LED display

IO

#InputOutputBidirectional
0IN0OUT0
1IN1OUT1
2IN2OUT2
3IN3OUT3
4IN4
5
6
7

Chip location

Controller Mux Mux Mux Mux Mux Mux Mux Mux Mux Mux Mux Analog Mux Mux Mux Mux Mux Mux Mux Mux Mux Mux Mux Analog Mux Mux Mux Mux Mux Mux Mux Mux Mux Mux tt_um_chip_rom (Chip ROM) tt_um_factory_test (TinyTapeout Factory Test) tt_um_led_matrix_ayla_lin (32x8 LED Matrix Animation) tt_um_urish_charge_pump (Dickson Charge Pump) tt_um_rebeccargb_tt09ball_screensaver (TT09Ball VGA Screensaver) tt_um_urish_simon (Simon Says memory game) tt_um_rebeccargb_tt09ball_gdsart (TT09Ball GDS Art) tt_um_rebeccargb_vga_pride (VGA Pride) tt_um_levenshtein (Fuzzy Search Engine) tt_um_rebeccargb_colorbars (Color Bars) tt_um_jamesrosssharp_1bitam (1bit_am_sdr) tt_um_mattvenn_double_inverter (Analog double inverter) tt_um_htfab_hybrid (Telephone hybrid) tt_um_mattvenn_analog_ring_osc (Ring Oscillators) tt_um_brandonramos_opamp_ladder (2-bit Flash ADC) tt_um_wokwi_411783629732984833 (BINCounterAndGates) tt_um_rebeccargb_hardware_utf8 (Hardware UTF Encoder/Decoder) tt_um_patdeegan_anamux (Analog MUX module) tt_um_MichaelBell_hs_mul (8b10b decoder and multiplier) tt_um_rebeccargb_styler (Styler) tt_um_rebeccargb_vga_timing_experiments (VGA Timing Experiments) tt_um_rebeccargb_universal_decoder (Universal Binary to Segment Decoder) tt_um_rebeccargb_intercal_alu (INTERCAL ALU) tt_um_toivoh_pio_ram_emu_example (pio-ram-emulator example: Julia fractal) tt_um_2048_vga_game (2048 sliding tile puzzle game (VGA)) tt_um_tobimckellar_top (Simple PWM Module) tt_um_JesusMinguillon_freqSweep (freqSweep) tt_um_led_cipher (LED Bitserial Cipher) tt_um_wokwi_412367067047460865 (achasen workshop validation) tt_um_wokwi_412635532198550529 (tt09-pettit-wokproc-trainer) tt_um_my_elevator (Elevator Design) tt_um_wokwi_413387014781302785 (L display) tt_um_wokwi_413387348132056065 (S-R latch) tt_um_wokwi_413387032609197057 (Gabe's Big AND) tt_um_wokwi_413387015959903233 (Secret Code) tt_um_wokwi_413387076188030977 (joes-first-tiny-tapeout) tt_um_wokwi_413387481972305921 (Abey's 1st Chip Design) tt_um_wokwi_413391266378724353 (patrick's project) tt_um_wokwi_413387120998931457 (Shadoff Test) tt_um_wokwi_413387462882977793 (Tiny Tapeout Take 2) tt_um_wokwi_413387224567846913 (Speller) tt_um_wokwi_413387065339458561 (APA102 to WS2812 Translator) tt_um_wokwi_413387064715554817 (RAYS FIRST TAPEOUT rev 2) tt_um_wokwi_413387352465821697 (6 Bit shift register) tt_um_wokwi_413385294512575489 (Duffy) tt_um_wokwi_413387190167208961 (Will It NAND?) tt_um_wokwi_413386988538584065 (Bad Logic) tt_um_wokwi_413387186248679425 (Drew's First Wokwi Design) tt_um_wokwi_413387152803294209 (Pseudo Random Generator Using 2 Ring Oscillators) tt_um_wokwi_413387214966034433 (JonsFirstTapeout) tt_um_wokwi_413386991502909441 (SPI Logic Analyzer with Charlieplexed Display) tt_um_wokwi_413387122850717697 (And Gates that don't do much) tt_um_wokwi_413387009513254913 (SimplePattern) tt_um_wokwi_413387093939376129 (sphereinabox hello) tt_um_wokwi_413386973689694209 (Input Counter) tt_um_rburt16_opamp_3stage 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Integrate-and-Fire Nueron Circuit) tt_um_devinatkin_basys3_uart (Basys 3 Over UART Link) tt_um_array_mult_structural_GnahsLliw (Array Multiplier) tt_um_array_mult_structural_sarahherrera (Array Multiplier) tt_um_a3_array_multiplier (Array multiplier) tt_um_a_4_array_multiplier (Array Multiplier) tt_um_secA_group5_array_multiplier (ECE-2204 4x4 Array Multiplier) tt_um_A_6_array_multiplier (ECE2204 4x4 Array Multiplier) tt_um_a_0_array_multiplier (Array Multiplier) tt_um_array_mult_structural (ece2204 project for tapeout) tt_um_m4rthaswur1d (4x4 array multiplier) tt_um_arry_mult_structural (4-bit-array-multiplier) tt_um_LabA_Group11 (Array_Multiplier) tt_um_pwm_top (Generador PWM multiproposito con frecuencia y ciclo de trabajo modulable) tt_um_lfsr_stevej (Linear Feedback Shift Register) tt_um_jamesrosssharp_tiny1bitam (Tiny 1-bit AM Radio) tt_um_instrumented_ring_oscillator (instrumented_ring_oscillator) tt_um_lif1 (STDP Circuit) tt_um_wokwi_413871526879619073 (4-1 mux) tt_um_wokwi_413872016164217857 (2bit adder) tt_um_alif (3 Neuron ALIF) tt_um_tiny_ternary_tapeout (T3 (Tiny Ternary Tapeout)) tt_um_snn_with_delays_paolaunisa (ChatGPT-generated Spiking Neural Network with Delays) tt_um_kmakise_sram (OpenRAM SRAM macro) tt_um_secA_11_nyancar_alanz23 (ece2204_4x4_mult) tt_um_arandomdev_fir_engine_top (FIREngine) tt_um_b_0_array_multiplier (Lab B Group 1 Array Multiplier) tt_um_b_2_array_multiplier (Array Multiplier) tt_um_b_6_array_multiplier (4x4 Array Multiplier) tt_um_multiplier (4x4 Array Multiplier) tt_um_b_12_array_multiplier (ECE2204 4x4 Array Multiplier) tt_um_wokwi_413686101237123073 (comparator) tt_um_B_14_array_multiplier (4x4 Array Multiplier) tt_um_secB_15_array_multiplier (Array Multiplier) tt_um_array_mult_joe_leighthardt (4 bit array multiplier) tt_um_carryskip_adder8 (8-bit carry-skip) tt_um_riscv_mini (RISC-V Mini) tt_um_CLA8 (8-bit Carry Look-Ahead Adder) tt_um_hybrid_adder (Hybrid_Adder_8bit) tt_um_C_1_4bit_multiplier (my_4bit_multiplier) tt_um_c_2_array_mult (4-bit-multiplier) tt_um_c7_array_mult (4-bit Multiplier) tt_um_4x4multiplier (4x4multiplier) tt_um_c13_array_mult (4-bit Multiplier) tt_um_arrayMultFajrSahana (4x4 Multiplier) tt_um_wokwi_413916532008126465 (tt09 kathyhtt ) tt_um_wokwi_413919522908184577 (TINY TAPE OUT) tt_um_wokwi_413923260134423553 (TinyTapeout1) tt_um_wokwi_413919531169918977 (FB GDS) tt_um_wokwi_413919794360480769 (Metastable Chip) tt_um_four_bit_multiplier_nasan016_npham2003 (4-bit Multiplier) tt_um_wokwi_413919484652961793 (halfadder+not) tt_um_wokwi_413918279810604033 (MuxLED) tt_um_wokwi_413919458626244609 (Jacks First Project) tt_um_wokwi_413919492911554561 (Half adder) tt_um_wokwi_413919972072132609 (Andrew Vo - Repository) tt_um_wokwi_413919970097662977 (Dipankar's first Wowki design) tt_um_wokwi_413923245817165825 (Hamad's design) tt_um_wokwi_413919502227108865 (Encoder) tt_um_wokwi_413923188546028545 (GDS) tt_um_wokwi_413920370058172417 (2 Bit Times 2 Bit Plus 4 Bit MAD and 5 Bit Binary to 7 Segment Display) tt_um_wokwi_413918244906651649 (Not Good BCD Decoder) tt_um_wokwi_413919507057902593 (tinytapeoutkr) tt_um_wokwi_413920096493033473 (My First ASIC) tt_um_wokwi_413921849611724801 (Yared Fente's Tiny Tapeout) tt_um_wokwi_413918243645213697 (Yohan Tiny Tapeout Project) tt_um_wokwi_413919889872144385 (Tiny Tapeout) tt_um_4x4_array_multiplier_NuKoP (4 x 4 array multiplier NuKoP) tt_um_wokwi_413920489444856833 (Samson's Tiny Tapout Project) tt_um_wokwi_413923702485727233 (tinytapeout) tt_um_wokwi_413919752282163201 (Trubick - Tiny Tapeout Logic Gate) tt_um_wokwi_413925554587918337 (D_flipflop_hold_test) tt_um_wokwi_413919500942601217 (Bit Counter) tt_um_wokwi_413919666547418113 (Full bit adder) tt_um_wokwi_413920825278643201 (Encoder) tt_um_wokwi_413919543420439553 (Big J's Big Circuit) tt_um_wokwi_413919927206703105 (AndLogicPass) tt_um_wokwi_413920640800531457 (Half Adder) tt_um_wokwi_413917903548951553 (Jordan) tt_um_wokwi_413919465666386945 (OR gate) tt_um_wokwi_413920442846133249 (TinyTapeOut) tt_um_wokwi_413920033033205761 (Tiny Tapeout-Huerta) tt_um_wokwi_413923202390383617 (Light LED) tt_um_wokwi_413923150973445121 (Zero to Nine Display Count) tt_um_wokwi_413919565287453697 (APTT) tt_um_wokwi_413919777312727041 (Tahiti) tt_um_wokwi_413920089540972545 (Secret Initial) tt_um_wokwi_413919675346023425 (GJAA Design) tt_um_wokwi_413919847886104577 (Logic Gates) tt_um_wokwi_413921288682183681 (My First TinyTapeout) tt_um_wokwi_413919524873217025 (1st) tt_um_wokwi_413919454053401601 (JCB First WOKWI Design) tt_um_wokwi_413923045171059713 (Logic Gates 7-Segment Display) tt_um_wokwi_413919767806333953 (BadeTP) tt_um_wokwi_413919428470231041 (Lynn's TinyTapeout Design) tt_um_wokwi_413929752291913729 (project) tt_um_wokwi_413923521595851777 (Nathan's chip) tt_um_wokwi_413920340558577665 (Light) tt_um_uart_mvm_sys (Matmul System) tt_um_wokwi_413407859783959553 (Redco) tt_um_wokwi_413849515516143617 (Two PFD) tt_um_wokwi_413919454138338305 (Letter H) tt_um_wokwi_413960876763056129 (Binary to 7 Segment Display Decoder) tt_um_MichaelBell_hd_8b10b (8b10b decoder and multiplier) tt_um_program_counter_top_level (Test Design 1) tt_um_murmann_group (Decimation Filter for Incremental and Regular Delta-Sigma Modulators) tt_um_adder_accumulator_sathworld (adder-accumulator) tt_um_control_block (8-Bit CPU) tt_um_LFSR_Encrypt (LFSR Encrypter) tt_um_cdc_test (SkyKing Demo) tt_um_two_lif_stdp (Two LIF Neurons with STDP Learning) tt_um_underserved (ITS-RISCV) tt_um_mbkmicdec_ringosc (Time_Domain_Comparator_ITS) tt_um_znah_vga_ca (znah_vga_ca) tt_um_tim2305_adc_dac (tt_um_tim2305_adc_dac) tt_um_mikegoelzer_7segmentbyte (7-Segment Byte Display) tt_um_idann (Forward Pass Network for Simple ANN) tt_um_micro_tiles_container (Micro tile container) tt_um__kwr_lfsr__top (Multi-LFSR) tt_um_wokwi_413923639862662145 (xor gate with registered output ) tt_um_carryskip_adder9 (carry skip adder) tt_um_mroblesh (Frequency Encoder and Decoder) tt_um_wokwi_411379488132926465 (Semana UCU Verilog) tt_um_rejunity_atari2600 (Atari 2600) tt_um_rejunity_z80 (Zilog Z80) tt_um_b_8_array_multiplier (4 by 4 Array Multiplier) tt_um_C8_array_mult (4-bit multiplier) tt_um_tt09_array_multiplier (Array Multiplier) tt_um_array_mult_structural_sectionD_group3 (4-bit Array Multiplier) tt_um_d_4_array_multiplier (ECE-UY 2204 4x4 Array Multiplier) tt_um_couchand_cora16 (CORA-16) tt_um_secd_8_array_mult (array_multiplier) tt_um_kashmaster_carryskip (8-bit-CARRY_SKIP) tt_um_tiny_ternary_tapeout_csa (T3 (Tiny Ternary Tapeout) CSA ) tt_um_array_secD7 (Tiny Tapeout Group 7 Lab D) tt_um_chip4lyfe (Leaky Integrate Fire Neuron) tt_um_ronikant_jeremykam_tinyregisters (Tiny Registers) tt_um_c_4_4b_mult (4bit multiplier) tt_um_section_d_group_fifteen_array_mult_structural (ECE2204MultiplierProject) tt_um_VanceWiberg_top (Team 17's 8 bit DAC) tt_um_claudiotalarico_counter (4-bit up/down binary counter) tt_um_wokwi_413471588783557633 (TT Test) tt_um_gmejiamtz (Configurable Logic Block) tt_um_I2C (I2C and SPI) tt_um_perceptron_mtchun (Perceptron Neuron) tt_um_histogramming (Histogramming) tt_um_SarpHS_array_mult (4-bit Multiplier) tt_um_gfcwfzkm_scope_bfh_mht1_3 (Basic Oszilloscope and Signal Generator) tt_um_MichaelBell_rle_vga (RLE Video Player) tt_um_ece298a_8_bit_cpu_top (8-Bit CPU) tt_um_Coline3003_top (15 channels emission counter) tt_um_wokwi_414107691971107841 (Steven's Wokwi Test) tt_um_dlmiles_dffram32x8_2r1w (Tiny RAM DFF 2r1w) tt_um_urish_sic1 (SIC-1 8-bit SUBLEQ Single Instruction Computer) tt_um_Coline3003_spect_top (Spectrogram extractor, 2 channels) tt_um_c1_array_mult_structural (Lab C 4x4 Mult-Array) tt_um_CarrySelect8bit (carry_select) tt_um_koggestone_adder8 (test_friday2) tt_um_Rapoport (Perceptron) tt_um_cellular_alchemist (Hopfield Network with Izhikevich-type RS and FS Neurons) tt_um_wokwi_414120207283716097 (fulladder) tt_um_wokwi_414120357164073985 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(2 bit adder) tt_um_wokwi_414120239772801025 (AND and NOT gate testing) tt_um_wokwi_414124597390729217 (Kanoa's first Wokwi deseign Tinytapeout 2024 Nonsense) tt_um_wokwi_414120415300298753 (add it) tt_um_wokwi_414117926152578049 (one) tt_um_wokwi_414120459831246849 (Full Adder) tt_um_wokwi_414117854728812545 (four flip flops) tt_um_wokwi_414120320168203265 (Tiny Tapeout 9 Template) tt_um_wokwi_414120583702696961 (half adder) tt_um_tinysynth (Tinysynth) tt_um_wokwi_414120349028170753 (LCA’s first Wokwi design) tt_um_wokwi_414120435997105153 (7-bit arbiter) tt_um_wokwi_414120378768943105 (Counter) tt_um_wokwi_414120800422397953 (Full adder Design) tt_um_wokwi_414118423095874561 (Vincent's First Design) tt_um_wokwi_414120248222232577 (A Tale of Two NCOs) tt_um_a1k0n_nyancat (VGA Nyan Cat) tt_um_tommythorn_workshop (Workshop demo) tt_um_lrc_stevej (LRC - Longitudinal Redundancy Check generator) tt_um_wokwi_414120202583995393 (print) tt_um_wokwi_414120500233937921 (hello) tt_um_wokwi_414120569974735873 (Full Adder) tt_um_wokwi_414120295047458817 (NAND-Equ) tt_um_wokwi_414120388391730177 (adder-tt09) tt_um_wokwi_414120414884012033 (Ripple counter) tt_um_wokwi_414120509472942081 (rand) tt_um_wokwi_414121555407659009 (rhTinyTapeout) tt_um_wokwi_414120432405727233 (chip) tt_um_wokwi_414122362169493505 (NAND Flip-Flop) tt_um_shifter (Shifter) tt_um_wokwi_414124428088683521 (seven) tt_um_wokwi_414120513895838721 (gatesoup) tt_um_wokwi_414120303651028993 (Tiny Tapeout 9 Template Version 1 Tata Luka) tt_um_wokwi_414122607025630209 (UART TX) tt_um_wokwi_414120368966850561 (my First WokWi Design) tt_um_wokwi_414120299211357185 (Tiny Tapeout 9) tt_um_schoeberl_test (tinydsp-lol) tt_um_anislam (Leaky integrate and fire spiking neural network) tt_um_wokwi_414126546375915521 (2-bit Full Adder) tt_um_wokwi_414174625969437697 (Name Speller) tt_um_wokwi_414127944900611073 (gta6) tt_um_ericsmi_mips (mips.sv) tt_um_systolicLif (Basic model for Systollic array implementation of LIF) tt_um_algofoogle_tt09_ring_osc2 (Verilog ring oscillator V2) tt_um_dff_mem (dff_mem) tt_um_nomuwill (16 Bit Izhikevich Neuron) tt_um_digital_clock_example (7-Segment Digital Desk Clock) tt_um_udxs (Basic Perceptron + ReLU) tt_um_matrix_mult (Basic Matrix-Vector Multiplication) tt_um_db_MAC (8 bit MAC Unit) tt_um_anas_7193 (Programmable PWM Generator) tt_um_flyingfish800 (Verilog test project) tt_um_project (Basic LIF Neuron) tt_um_lifn (Integrate-and-Fire Neuron Circuit) tt_um_wokwi_413921836641882113 (ovl abc chip) tt_um_mickey_pll (pll) tt_um_rejunity_e2m0_x_i8_matmul (E2M0 x INT8 Systolic Array) tt_um_michaelmcculloch_alu (Michaels Tiny Tapeout ALU) tt_um_dog_BILBO (8-bit CBILBO) tt_um_stochastic_integrator_tt9_CL123abc (Stochastic Integrator) tt_um_vga_clock (VGA clock) tt_um_z2a_rgb_mixer (RGB Mixer demo) tt_um_samkho_two_channel_square_wave_generator (TwoChannelSquareWaveGenerator) tt_um_mattvenn_r2r_dac_3v3 (Analog 8 bit 3.3v R2R DAC) tt_um_b_10_array_multiplier (Lab B Group 10 Array Multiplier) tt_um_urish_giant_ringosc (Giant Ring Oscillator (3853 inverters)) tt_um_htfab_caterpillar (Simon's Caterpillar) tt_um_anders_tt_6502 (tt6502) tt_um_wokwi_414123795172381697 (TinySnake) tt_um_oscillating_bones (Oscillating Bones) tt_um_r2r_dac (4-bit R2R DAC) tt_um_tinytinfoil_saradc_dac (Noise test for a CDAC capacitor chain) tt_um_purdue_socet_uart (SoCET UART) tt_um_rejunity_sn76489 (Classic 8-bit era Programmable Sound Generator SN76489) tt_um_rejunity_ay8913 (Classic 8-bit era Programmable Sound Generator AY-3-8913) tt_um_tommythorn_cgates (Cgates) tt_um_09eksdee (eksdee) tt_um_13hihi31_tdc (Time to Digital Converter) tt_um_rejunity_decoder (ternary, E1M0, E2M0 decoders) tt_um_analog_example (Digital OTA) tt_um_kailinsley (Dynamic Threshold Leaky Integrate-and-Fire) tt_um_C6_array_multiplier (tt09-C6-array-multiplier) tt_um_rejunity_vga_test01 (VGA Drop (audio/visual demo)) tt_um_wallento_4bit_toycpu (4-Bit Toy CPU) tt_um_warp (Warp) tt_um_algofoogle_tt09_ring_osc3 (Verilog ring oscillator V3) tt_um_kev_ma_matmult222 (2-bit 2x2 Matrix Multiplier) tt_um_wokwi_414041465275103233 (SK Test Workshop) tt_um_rejunity_vga_logo (VGA Tiny Logo (1 tile)) tt_um_toivoh_demo (Sequential Shadows [TT08 demo competition]) tt_um_liaf (A simple leaky integrate and fire neuron) tt_um_wokwi_413879612498222081 (Clocked Display) tt_um_wokwi_413919625901452289 (Encoder) tt_um_wokwi_413919442353385473 (Encoder) tt_um_wokwi_413919540668975105 (First Tapeout Chip - OCR) tt_um_wokwi_413918022277139457 (Half Adder) tt_um_wokwi_414120435095328769 (Kai's Death Adder) tt_um_wokwi_413919775044656129 (Kevin Project) tt_um_lif_network_MR (Leaky Neuron Network) tt_um_lsnn_hschweig (Neuromorphic Hardware for SNN LSTM) tt_um_wokwi_413387065963362305 (Project) tt_um_Nishanth_RISCV (RISCV Processor Design) tt_um_wokwi_413883347321632769 (Test_project) tt_um_KoushikCSN_RISCV (RISCV Processor Design) tt_um_wokwi_414120868401584129 (Tian TT9) tt_um_wokwi_414120391864616961 (Tiniest of tapeouts) tt_um_wokwi_414120458938907649 (Who knows what's happening Tiny Tapeout) tt_um_wokwi_413919833599252481 (YoshiTP) tt_um_wokwi_414118269335820289 (chip_fab) tt_um_wokwi_414121281003682817 (dummy) tt_um_wokwi_414124471705253889 (sarah's first chip) tt_um_ccu_goatgate (tiny cipher 4 bit key) tt_um_wokwi_414120526876163073 (2 input multiplexor) tt_um_lif_ZB (Tutorial: Simple LIF Neuron) Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available Available