{"model": "serdes-link-budget", "inputs": {"data_rate_gbps": 112.0, "modulation": 2, "channel_type": 1, "reach_mm": 20.0, "num_lanes": 16, "lane_pitch_um": 45.0, "shoreline_mm": 8.0, "tx_swing_mvppd": 800.0, "fec": 1, "crosstalk_coeff": 0.02, "noise_floor_mv": 1.5}, "outputs": {"format": "112 Gb/s PAM4 x 16 lanes over 20 mm On-package Si interposer/RDL", "modulation": "PAM4", "channel": "On-package Si interposer/RDL", "baud_gbd": 56.0, "nyquist_ghz": 28.0, "insertion_loss_db": 2.53, "rx_swing_mv": 598.1, "eye_height_mv": 199.4, "eye_open_percent": 74.8, "crosstalk_rms_mv": 16.0, "isi_rms_mv": 3.78, "noise_rms_mv": 16.51, "q_factor": 6.04, "q_required": 3.6, "raw_ber": 1.1689732455981079e-09, "post_fec_ber": 1e-15, "fec_coding_gain_db": 6.93, "margin_db": 4.5, "loss_budget_db": 7.02, "link_closes": true, "pj_per_bit": 0.851, "per_lane_power_w": 0.095, "aggregate_gbps": 1792.0, "aggregate_tbps": 1.792, "total_power_w": 1.52, "max_lanes_shoreline": 177, "shoreline_use_percent": 9.0, "beachfront_limited": false, "bw_density_gbps_per_mm": 2488.9, "edge_bw_tbps": 19.911, "optimal_rate_gbps": 344.0, "verdict": "link-closes -- 112 Gb/s PAM4 over 20 mm of On-package Si interposer/RDL closes with 4.5 dB margin (Q=6.0, post-FEC BER 1e-15). 2.5 dB insertion loss, eye 75% open, 0.85 pJ/bit, 1.79 Tb/s across 16 lanes. Fastest rate this channel carries: 344 Gb/s."}, "profile": {"margin_vs_stdrate": [[8, 6.9], [16, 6.68], [28, 6.37], [56, 5.72], [112, 4.5], [224, 2.23], [448, -1.79]], "loss_vs_reach": [[1.0, 0.13], [7.4, 0.93], [13.7, 1.73], [20.1, 2.54], [26.4, 3.34], [32.8, 4.14], [39.2, 4.95], [45.5, 5.75], [51.9, 6.56], [58.3, 7.36], [64.6, 8.16], [71.0, 8.97], [77.3, 9.77], [83.7, 10.57], [90.1, 11.38], [96.4, 12.18], [102.8, 12.99], [109.1, 13.79], [115.5, 14.59], [121.9, 15.4], [128.2, 16.2], [134.6, 17.0], [141.0, 17.81], [147.3, 18.61], [153.7, 19.41], [160.0, 20.22], [166.4, 21.02], [172.8, 21.83], [179.1, 22.63], [185.5, 23.43], [191.9, 24.24], [198.2, 25.04], [204.6, 25.84], [210.9, 26.65], [217.3, 27.45], [223.7, 28.26], [230.0, 29.06], [236.4, 29.86], [242.7, 30.67], [249.1, 31.47], [255.5, 32.27], [261.8, 33.08], [268.2, 33.88], [274.6, 34.68], [280.9, 35.49], [287.3, 36.29], [293.6, 37.1], [300.0, 37.9]], "margin_vs_reach": [[1.0, 7.13], [7.4, 6.28], [13.7, 5.39], [20.1, 4.48], [26.4, 3.58], [32.8, 2.69], [39.2, 1.81], [45.5, 0.95], [51.9, 0.1], [58.3, -0.73], [64.6, -1.54], [71.0, -2.35], [77.3, -3.14], [83.7, -3.93], [90.1, -4.71], [96.4, -5.49], [102.8, -6.27], [109.1, -7.04], [115.5, -7.81], [121.9, -8.58], [128.2, -9.35], [134.6, -10.12], [141.0, -10.89], [147.3, -11.66], [153.7, -12.44], [160.0, -13.22], [166.4, -14.0], [172.8, -14.78], [179.1, -15.56], [185.5, -16.34], [191.9, -17.13], [198.2, -17.91], [204.6, -18.7], [210.9, -19.49], [217.3, -20.29], [223.7, -21.08], [230.0, -21.87], [236.4, -22.67], [242.7, -23.46], [249.1, -24.26], [255.5, -25.06], [261.8, -25.86], [268.2, -26.66], [274.6, -27.46], [280.9, -28.26], [287.3, -29.06], [293.6, -29.86], [300.0, -30.66]], "margin_vs_rate": [[4.0, 7.03], [13.4, 6.75], [22.9, 6.5], [32.3, 6.27], [41.8, 6.04], [51.2, 5.83], [60.7, 5.61], [70.1, 5.4], [79.6, 5.19], [89.0, 4.99], [98.5, 4.78], [107.9, 4.58], [117.4, 4.38], [126.8, 4.18], [136.3, 3.99], [145.7, 3.79], [155.1, 3.6], [164.6, 3.41], [174.0, 3.22], [183.5, 3.03], [192.9, 2.84], [202.4, 2.66], [211.8, 2.47], [221.3, 2.29], [230.7, 2.11], [240.2, 1.92], [249.6, 1.75], [259.1, 1.57], [268.5, 1.39], [278.0, 1.21], [287.4, 1.04], [296.9, 0.87], [306.3, 0.69], [315.7, 0.52], [325.2, 0.35], [334.6, 0.18], [344.1, 0.01], [353.5, -0.16], [363.0, -0.32], [372.4, -0.49], [381.9, -0.66], [391.3, -0.82], [400.8, -0.99], [410.2, -1.15], [419.7, -1.31], [429.1, -1.47], [438.6, -1.63], [448.0, -1.79]], "data_rate_gbps": 112.0, "reach_mm": 20.0, "insertion_loss_db": 2.53, "loss_budget_db": 7.02, "margin_db": 4.5, "optimal_rate_gbps": 344.0, "eye_open_percent": 74.8, "xt_share": 93.9, "isi_share": 5.2, "th_share": 0.8, "shoreline_use_percent": 9.0}, "steps": 151, "node": "ip-172-26-4-148", "compute_ms": 0.7}